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Category Archives: Electric Circuits

First Steps with the Arduino-UNO | Maker, MakerED, Coding | Sensor-Kit SKA-36

First Steps with the Arduino-UNO | Maker, MakerED, Coding | Sensor-Kit SKA-36

HC-SR04-ULTRASONIC SENSOR.

 


First Steps with the Arduino-UNO | Maker, MakerED, Coding | Sensor-Kit SKA-36

Arduino Sensor-Kit SKA-36.

Got my package delivered with my ordered Arduino Sensor-Kit today (2 days later than expected…). First impressions: nice plastic suitcase (helps me to keep order…), 60 pins quality breadboard and cable-set, 40 sensors and a download link (www.joy-it.net/sensorkit/) for the code and description in German. The mentioned link isn’t up-to-date anymore and one gets redirected to another website http://sensorkit.joy-it.net/index.php?title=Hauptseite in German.

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Arduino Sensor-Kit SKA-36-40 sensors

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Some basic knowledge is necessary to get started with the sensors:

We need to know that for some project with sensors there is a special library which needs to get included into the sketch and that the results (measures) will get shown in the “Serial Monitor” as the “Sensor-Kit” doesn’t include a LCD-Display.

Find out more yourself with the links below, please:

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programmerman-animatedLearn more:

TIP for beginners: first copy&paste the code and let it run; check where are variables in the code, change them and see WHAT happens. You will understand the about how the code works 😉

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KY-050 with Ultrasonic Sensor HC-SR04 and Arduino Tutorial

Well, I didn’t like much the German description, so I was searching on the internet and I found some tutorials in English with a video tutorial, one simple sketch and one sketch with an LCD as well, very interesting <===> Ultrasonic Sensor HC-SR04 and Arduino Tutorial

Please check the videos below who explains very well how the code works:

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Another GREAT tutorial (my favorite), also with a video tutorial from Circuit basics could be found here HOW TO SET UP AN ULTRASONIC RANGE FINDER ON AN ARDUINO

And here below the video tutorial:

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Here below some values measured shown in the “Serial Monitor“:

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Measure results-KY-50

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The Temperature/Humidity Sensor KY-015

ky-015In the original IDE this sensor isn’t included yet, WE need to install it on the IDE. By checking the description website of the Sensorkit-SK36-KY-015, WE get told that the module needs a library to get included in the sketch and it’s also mentioning some download links. Actually the description (in German) is poor and I got worried! So I decided to look around on the internet and I found a BETTER description (in English) on the official Arduino website <===> Installing Additional Arduino Libraries <===> 

BUT the BEST tutorial I have found is on the Arduino website itself <===> DHT11 Temperature/Humidity Sensor <===> with a lot of screenshots and a step by step instruction from where to get the code of the library, how to install it, and an example sketch.

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Here below some values measured shown in the “Serial Monitor“:

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KY-015-SERIAL MONITOR

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Find below some addresses where you can GET different stuff to play around with:

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GUST-AVRIL2014-800px-2L’auteur Gust MEES est Formateur andragogique / pédagogique TIC, membre du “Comité Conseil” de “Luxembourg Safer Internet” (LuSI), appelé maintenant BEESECURE, partenaire officiel (consultant) du Ministère de l’éducation au Luxembourg du projet  ”MySecureIT“, partenaire officiel du Ministère du Commerce au Luxembourg du projet ”CASES” (Cyberworld Awareness and Security Enhancement Structure). L’auteur était aussi gagnant d’un concours en électronique en 1979 ( Pays germaniques ) et voyait son projet publié dans le magazine électronique “ELO”.


The author Gust MEES is ICT Course Instructor, ”Member of the Advisory Board” from “Luxembourg Safer Internet” (LuSI), BEESECURE, Official Partner (Consultant) from the Ministry of Education in Luxembourg, project “MySecureIT“, Official Partner from the Ministry of Commerce in Luxembourg, project “CASES” (Cyberworld Awareness and Security Enhancement Structure).

The author was also a winner of an electronics contest (Germanic countries) in 1979 and got his project published in the “Electronics Magazine ELO”).

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Keywords necessary for me to create this blog post: Arduino, coding, Maker, MakerED, sensors, learning by doing, autodidact, self-directed learning, Sensor-Kit SKA-36, ultrasonic kit, temperature-humidity-kit, electronics,

 

Stay tuned for next blog post(s) 😉..
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Xmas and Holiday Gifts Which Make Sense For LEARNing

Xmas and Holiday Gifts Which Make Sense For LEARNing

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Maker-Coding

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WHAT gifts to buy for the kids for Xmas and Holidays?

Every year the same question, isn’t it!? WHY not thinking about to buy gifts from where and with that the kids will learn? It might be good to have a look on WHAT are the skills required for the future from youth, students, learners and upon that making your choice! Actually (2017) the trends are in the maker scene and coding scene! Engineers, coding people and ICT specialists are needed, the workforce, industry is searching!!

What is the maker scene?

I invite you to read my bog post about it below, please:

Variable Power Supply-work in progressIn the Makerspaces as well as in Maker-EDUcation the creativity and PracTICE are getting fostered to be prepared for what the workforce and the industry are needing! The kids, students, learners are Learning-By-Doing and that is with fun involved also! They are not only tinkering around but they get coached in a “NO Hierarchy” space; in Luxembourg. SO, they can communicate with each other to solve problems and as well later also doing the same through the Social-Media and forums. They learn also by that way to build teams and are able for team-work later once out of school.

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Team-Work is one of the essential skills which students, learners need to have for the future! Read also my blog post below, please, which explains WHAT the skills for the future are:

Learn more by reading my blog posts from Makerspaces in Luxembourg:

In the above blog posts you will find information what is happening and you can contact the responsible persons for more information; let your kids go there and have fun by LEARNing-By-Doing! 😉

What is the coding scene?

Coding is the 21st Century skill. Coding enhances creativity, teaches young people to cooperate, to work together across physical and geographical boundaries and to communicate in a universal languageTechnology is part of our life, and coding brings it closer to you!

I invite you to read my blog post below, please:

 


Ideas to get people interested to become makers

Makermag1-July 2017.

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Here, below, some ideas for the makers:

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Ideas to get people interested into Coding

Arduino-Assembling.

Here, below, some ideas for Coding:

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WHERE to buy quality stuff?

Let your creativity go, let it flow! 😉 Just have fun with LEARNing-By-Doing!

But, WHERE to buy the stuff to be sure it is also quality!? Please check below my selection:


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GUST-AVRIL2014-800px-2L’auteur Gust MEES est Formateur andragogique / pédagogique TIC, membre du “Comité Conseil” de “Luxembourg Safer Internet” (LuSI), appelé maintenant BEESECURE, partenaire officiel (consultant) du Ministère de l’éducation au Luxembourg du projet  ”MySecureIT“, partenaire officiel du Ministère du Commerce au Luxembourg du projet ”CASES” (Cyberworld Awareness and Security Enhancement Structure). L’auteur était aussi gagnant d’un concours en électronique en 1979 ( Pays germaniques ) et voyait son projet publié dans le magazine électronique “ELO”.


The author Gust MEES is ICT Course Instructor, ”Member of the Advisory Board” from “Luxembourg Safer Internet” (LuSI), BEESECURE, Official Partner (Consultant) from the Ministry of Education in Luxembourg, project “MySecureIT“, Official Partner from the Ministry of Commerce in Luxembourg, project “CASES” (Cyberworld Awareness and Security Enhancement Structure).

The author was also a winner of an electronics contest (Germanic countries) in 1979 and got his project published in the “Electronics Magazine ELO”).

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Stay tuned for next blog post(s) 😉..

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Keywords necessary for me to create this blog post: Arduino website, tutorials, coding examples, step by step introduction, no fear, Arduino projects, Conrad, where to buy the stuff, creativity, communication, teamwork, future skills,

 

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Maker-Easy to build mini car with Battery-Holder case and motor, as also a self-made propeller

Maker-Easy to build mini car with Battery-Holder case and motor, as also a self-made propeller

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Easy to build mini car with Battery-Holder case and motor, as self-made propeller

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Easy to build mini car with Battery-Holder case and motor, as also self-made propeller

Battery Holder 2 x AAA

Battery Holder 2 x AA

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In our last projects WE were using electronics, which is a bit more for teens up from 10 years. WE will now also create some projects where the younger ones can tinker around as well under the surveillance and guidance of coaches. Boys as well as girls like motors and cars, so WHY NOT trying to tinker a bit around with small motors. WE will use this time a battery-holder for 3 Volts (2 x 1.5 Volts AA batteries, or accumulators [BETTER]) where we fix the motor and the wheels of OUR car on it.

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To make the propeller WE will use the top of a plastic bottle as it is very easy to tinker with plastic, as well as the propeller could get unscrewed and replaced by another one because of the cap. The cap will get mounted on the motor shaft and fixed with hot glue.

 

Two different propellers made from a plastic bottle (FANTA)

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Two different propellers made from a plastic bottle (FANTA)

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Two different propellers made from a plastic bottle (FANTA)

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Check the video below please, We will use TYPE-3:

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TYP: I used a hair dryer to heat the plastic and whiles heating I pushed down the propeller till it was (nearly) flat-bottomed. WHEN NOT flat-bottomed the propeller will be more as an unbalance as doing its affect as air propulsion! The mini car will jump as crazy then around; believe me I made the experience 😉

 

Learn more:


The components and how to fix everything

Please find below the components:

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Components for easy to build mini car

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First step is to prepare the wheels: the 8 caps on the right-hand side in above photo must get drilled in the middle with the same diameter as the wooden sticks you use; OR as I did by using the solder iron. Next step is to glue together 2 caps with hot glue as shown in photo below.

 

The wheels are made by 2 caps glued together with hot glue.

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Cut now the drinking straws and the wooden sticks to the measure as indicated in photo below and fix the drinking straws with hot glue.

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The measures and How-To

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Pass the wooden shafts through the drinking straws and the drilled holes in the caps and fix them with hot glue.

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Fix wooden shafts with hot glue

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Upper side of the mini car

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Prepare a piece of drinking straw from 3,5 cm and glue it on the upper side of the battery holder with hot glue, as shown in above photo. Pass through the cables of the battery holder and fix the motor with hot glue, as shown in above photo. Cut the cables to the right length and solder them on the motor.

That’s it, ONLY a bit work and a lot of fun once running; check the video below to see it in action please 😉 AWARENESS: the propeller is turning with high speed and there are sharp ends!!! DON’T touch the propeller whiles in action!!! DON’T let run the mini car WHERE persons, children and pets are around as they could get hurt by the propeller, as you can’t control the direction of the mini car!!!

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Detailed parts list, supplier and prices

Please find below the detailed parts list as well as the supplier and the prices.

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Item and quantity

Supplier and order number

Price

1 x drinking straw 0,10€
 1 x Sourcingmap Propeller mit Motor mit hohem Drehmoment

für Modellflugzeug, 1500–10000 RPM, 3–12 V Gleichstrom

 AMAZON 6,28€ 
1 x Bambussplittstäbe FloraSelf® 50 cm, 20 Stk HORNBACH: 7531902 1,79 € 
1 x Battery Holder case with switch (2 x AA) CONRAD:  1318437-62 2,59 €
 2 x Batteries AA à 4,49 / 2 = 2,25 € CONRAD: 658023-62 2,25 € 
  Total: 13,01 €

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As you can see it is a very cheap project, ONLY 13, 01 € and easy to realize! ALL what YOU need is a bit time, passion and here we GO! 😉 Have FUN!

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The tools needed

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Tools needed for easy to build mini car

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The video of our project

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GUST-AVRIL2014-800px-2L’auteur Gust MEES est Formateur andragogique / pédagogique TIC, membre du “Comité Conseil” de “Luxembourg Safer Internet” (LuSI), appelé maintenant BEESECURE, partenaire officiel (consultant) du Ministère de l’éducation au Luxembourg du projet  ”MySecureIT“, partenaire officiel du Ministère du Commerce au Luxembourg du projet ”CASES” (Cyberworld Awareness and Security Enhancement Structure). L’auteur était aussi gagnant d’un concours en électronique en 1979 ( Pays germaniques ) et voyait son projet publié dans le magazine électronique “ELO”.


The author Gust MEES is ICT Course Instructor, ”Member of the Advisory Board” from “Luxembourg Safer Internet” (LuSI), BEESECURE, Official Partner (Consultant) from the Ministry of Education in Luxembourg, project “MySecureIT“, Official Partner from the Ministry of Commerce in Luxembourg, project “CASES” (Cyberworld Awareness and Security Enhancement Structure).

The author was also a winner of an electronics contest (Germanic countries) in 1979 and got his project published in the “Electronics Magazine ELO”).

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Stay tuned for next blog post(s) 😉..

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Keywords necessary for me to create this blog post: drinking straw, hot glue, motor, battery holder 2 x AA, empty FANTA plastic bottle, screwable caps from plastic bottles (CONTREX),

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LEARNing By Doing-A MUST in Modern EDUcation for BEST Results

LEARNing By Doing-A MUST in Modern EDUcation for BEST Results

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Evolution of Education: Wordle Logo

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LEARNing By Doing-A MUST in Modern EDUcation for BEST Results

Let us START with a Chinese proverb from Confucius <===> I hear and I forget. I see and I remember. I do and I understand. Already more than 1500 years ago, this wise man was talking about “Learning By Doing“. Please check below:

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Confucius-Learning By Doing-BrainyQuote

Click image please to access more quotes from Confucius.

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More about Confucius:

Research shows that hands-on learning is an effective way to teach students science. A 2009 study found that eighth-grade students who were involved in hands-on science projects demonstrated a deeper understanding of concepts than students who were taught with traditional methods such as textbook readings, lectures, and tests (Riskowski et al., 2009).

Learn more:

 


WHAT could get included into the Curriculum WITH Learning-By-Doing

hammer

 

WHY NOT including #MakerED as a <===> #LEARNingByDoing <===> into the curriculum!? WHAT’S that meaning? Let the students, learners tinker a bit about the subject taught; please find here below some topics with examples and explications:

 

 

 

Well, lots of more ideas to find on YouTube, give it a try 😉 Check out, below, please some videos to GET inspiration:

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Sustainability: EVERY kid (nearly) has a smartphone, right!? Smartphones can take ALSO photos (NOT ONLY selfies… use them on intelligent way), so WHY NOT using them to teach the kids about the nature?  To make them curious about WHAT is around them when they walk outside the house! Make it like an adventure, show them, guide them, show them ALSO WHERE to find plants, flowers by uploading an image on Google to find out WHAT it is; this is possible, click below please:

SHOW them How-To use Photo-Editors to enhance taken photos and to bring in text into the photos (this e.g. the name of the plants, photos, animals, insects…).

Learn more:

Learning by Doing has ALSO a lot to do with “Creativity“, use it in YOUR courses while using “ThingLink“, find some PracTICE examples below, please:

By using the above mentioned you will engage the students, learners, which will amplify the desire to learn on THEIR OWN! Read more about “Engagement” below please:

Check out ALSO the video below, please.

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Check ALSO my blog posts about Creativity, please,  to GET inspired:

 

Keywords necessary for me to create this blog post: creativity, Chinese proverb, Confucius, Maker, MakerED, MakerSpaces, curriculum, Music (learning languages…), STEM.STEAM. Physics, Electronics. Electricity, Electrotechnic, Electromechanics, Mecatronic,


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GUST-AVRIL2014-800px-2.

L’auteur Gust MEES est Formateur andragogique / pédagogique TIC, membre du “Comité Conseil” de “Luxembourg Safer Internet” (LuSI), appelé maintenant BEESECURE, partenaire officiel (consultant) du Ministère de l’éducation au Luxembourg du projet  ”MySecureIT“, partenaire officiel du Ministère du Commerce au Luxembourg du projet ”CASES” (Cyberworld Awareness and Security Enhancement Structure).

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The author Gust MEES is ICT Course Instructor, ”Member of the Advisory Board” from “Luxembourg Safer Internet” (LuSI), BEESECURE, Official Partner (Consultant) from the Ministry of Education in Luxembourg, project “MySecureIT“, Official Partner from the Ministry of Commerce in Luxembourg, project “CASES” (Cyberworld Awareness and Security Enhancement Structure).


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Stay tuned for next blog post(s) 😉
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Posted by on March 7, 2017 in 21st Century Skills, 21st-Century-Teaching-and-Learning, Adaptive Learning, Adult Learning, Analyzing, Andragogy, Autodidact, BEE CREATIVE, Better Learning, Better Learning about ICT, Better Teaching, Blogs, Coaching, Collective Intelligence, Competency, Concept, Creating Mind, Creativity, Critical Thinking, Critical Thinking-a need!, Curation, Design Learning, Differentiated Instruction, Digital CitizenShip, Digital4EDUcation, DQ, Education, Education 4.0, eLeadership, eLearning, Electric Circuits, Electronics, Electronics Art, Electronics Circuits, Electronics Tutorials, Emotional Intelligence, Engagement, EQ, eSkills, Ethical Mind, ethics, Europe, Free courses, FREE-courses, Future Work Skills, growth mindset, Holistic view of EDUcation in the future, HowTo, Key Instructors, Learning By Doing, Learning Theories, Learning to Learn, Luxembourg, maker, Maker PracTICE, MakerED, MakerSpace, MakerSpaces, mkaerspaces, Modern EDU, Motivation, Open Mind, Personal Learning Network (PLN), Personal profit, Personalized Learning, PKM, PLN, PracTICE, Proactive Thinking, Professional Development, Professional EDUcators TEACHers, Project Based Learning, Quality Courses, Reality, Reflecting, Responsibility, Right use of Technology, Rise Of The Professional Educator, Searching, Self-directed Learning, Seniors, Skills, Social Media, soldering, STEM, Student Centred, Students 21st Century Survival Guide, Sustainability, Synthesizing Mind, Teacherpreneurs, Technology Integration, ThingLink, Twitter, understanding, Understanding the internet, WordPress

 

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Maker-First steps in electronics-knowing WHERE to buy the stuff-Electronics Distributors

Maker-First steps in electronics-knowing WHERE to buy the stuff-Electronics Distributors

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variable-power-supply-parts-list-photo

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WHERE to buy the electronics stuff!?

I am getting very often asked from persons WHO follow my curation (ideas for makerspaces) and my blog posts WHERE they can buy the necessary proposed stuff. Please find below a non-exhaustive list:

List of online Electronics shops (mostly for Europe, but some are delivering ALSO global):

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GUST-AVRIL2014-800px-2L’auteur Gust MEES est Formateur andragogique / pédagogique TIC, membre du “Comité Conseil” de “Luxembourg Safer Internet” (LuSI), appelé maintenant BEESECURE, partenaire officiel (consultant) du Ministère de l’éducation au Luxembourg du projet  ”MySecureIT“, partenaire officiel du Ministère du Commerce au Luxembourg du projet ”CASES” (Cyberworld Awareness and Security Enhancement Structure). L’auteur était aussi gagnant d’un concours en électronique en 1979 ( Pays germaniques ) et voyait son projet publié dans le magazine électronique “ELO”.


The author Gust MEES is ICT Course Instructor, ”Member of the Advisory Board” from “Luxembourg Safer Internet” (LuSI), BEESECURE, Official Partner (Consultant) from the Ministry of Education in Luxembourg, project “MySecureIT“, Official Partner from the Ministry of Commerce in Luxembourg, project “CASES” (Cyberworld Awareness and Security Enhancement Structure).

The author was also a winner of an electronics contest (Germanic countries) in 1979 and got his project published in the “Electronics Magazine ELO”).

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Stay tuned for next blog post(s) 😉

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Maker-First Steps in Electronics-Moving and rotating statue

Maker-First Steps in Electronics-Moving and rotating statue

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the-moving-and-rotating-electronics-statue

 

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Maker-First Steps in Electronics-Moving and rotating statue

In OUR previous electronics projects WE were tinkering around with vibration motors and flashing LEDs, well we will continue on the same schema to get a bit more soldering practice and to discover ALSO the use of heat shrink tube. This is ALSO a soldering exercise with some fun, and knowledge acquirement as usually in my tutorials. WE will learn also about Lithium batteries and their power by connecting them in parallel.


OHM’s Law, resistors and LEDs

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led-symbols

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Learn more:

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led-symbols-anode-and-cathode.

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Practical Tip: LEDs are transparent, so the Cathode (Minus) looks always a bit larger as the Anode (Plus).

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When working with electronics WE need to learn a bit theory and mathematics, BUT DON’T worry, it is very easy! First of all which is mandatory, is the “OHM’s Law“. YOU DON’T need to calculate! 😉 There is an online calculator who will do the job for YOU! Click the image below please to access the online calculator and play a bit around with it to get used to it, have fun.

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ohms-law-calculator

Click the image please to access the online calculator

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Useful online help:

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The schematics of our project

Here below the schematics where YOU will see how the components are represented; YOU will remark that we have three (3) times a parallel circuit. Two batteries in parallel, two flashing LEDs in parallel and two vibration motors in parallel.The resistors are NOT shown in the schematic as THEY are NOT connected, they are just used as stabilization of the statue!

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moving-and-rotating-electronics-statue-schematics-screenshot

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WHY connecting batteries in parallel!? Check below, please:

To find it out I recommend to make a bit PracTICE:

  1. Try first to use ONLY 1 battery CR2032 and let run the statue.
  2. NOW use two (2) batteries CR2032 and let run the statue.
  3. Use NOW ONLY one (1) battery CR2430 (they are bigger in diameter and on power) and let run the statue.
  4. NOW use two (2) batteries CR2430 and let run the statue.

Both batteries deliver 3 Volts, BUT there is a difference in the possible current they can deliver. The CR2032 delivers 225 mAh and the CR2430 delivers 280 mAh!

Through THIS “Learning-By-Doing” YOU will easily understand it!

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Detailed parts list, supplier and prices

Please find below the detailed parts list as well as the supplier and the prices.

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Item and quantity

Supplier and order number

Price

1 x Stripboard CONRAD: 529531 2,19€
Silver wire 1 mm / 14 m <===> +/- 30 cm needed CONRAD: 607657  0,40€
1 x Switch Adafruit: ID 805 0,95€
2 x Button cell holder à 1,29€ CONRAD: 650546  2,58€

2 x Vibration motor from Adafruit

 Adafruit: ID 1201

 1,95€
2 x 5mm flashing LEDs from Adafruit pack of 10 is $4.95 Adafruit: ID 680 1 €
2 x Cell CR2032 à 4,19€ CONRAD: 651088  8,358€

2 x Cell CR2430 à 3,99€

CONRAD: 612987 7,98€ 
 Total: 25,43€ 

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As you can see it is a very cheap project, ONLY 25,43€ and easy to realize! ALL what YOU need is a bit time, passion and here we GO! 😉 Have FUN!

Online ordering links:


The tools needed

Check below please WHAT the tools are that you will need for this project. The small saw is needed to cut out a small piece of 55 x 45 mm from the stripboard.

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tools-list-electronic-arts

Click image please to enlarge.

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Working with heat shrink tube

[START text from Wikipedia] Heat shrink tubing (or, commonly, heat shrink or heatshrink) is a shrinkable plastic tube used to insulate wires, providing abrasion resistance and environmental protection for stranded and solid wire conductors, connections, joints and terminals in electrical work. It can also be used to repair the insulation on wires or to bundle them together, to protect wires or small parts from minor abrasion, and to create cable entry seals, offering environmental sealing protection. Heat shrink tubing is ordinarily made of nylon or polyolefin, which shrinks radially (but not longitudinally) when heated, to between one-half and one-sixth of its diameter. [END text from Wikipedia]

Learn more:

Watch the video below please to see the How-To to work with heat shrink tube.

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The video of our project

Please check the video below to see our project on action.

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Very important

In OUR above project we are using two (2) 3 mm red LEDs in parallel. It DOESN’T work when YOU take two different colors, I tried it out 😉 WHY!??? Please check links below:

 


Keywords necessary for me to create this blog post: Power resistors, flashing LEDs, switch, CR2032, CR2430, Lithium Batteries, stripboard, heat shrinking tube,

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GUST-AVRIL2014-800px-2L’auteur Gust MEES est Formateur andragogique / pédagogique TIC, membre du “Comité Conseil” de “Luxembourg Safer Internet” (LuSI), appelé maintenant BEESECURE, partenaire officiel (consultant) du Ministère de l’éducation au Luxembourg du projet  ”MySecureIT“, partenaire officiel du Ministère du Commerce au Luxembourg du projet ”CASES” (Cyberworld Awareness and Security Enhancement Structure). L’auteur était aussi gagnant d’un concours en électronique en 1979 ( Pays germaniques ) et voyait son projet publié dans le magazine électronique “ELO”.


The author Gust MEES is ICT Course Instructor, ”Member of the Advisory Board” from “Luxembourg Safer Internet” (LuSI), BEESECURE, Official Partner (Consultant) from the Ministry of Education in Luxembourg, project “MySecureIT“, Official Partner from the Ministry of Commerce in Luxembourg, project “CASES” (Cyberworld Awareness and Security Enhancement Structure).

The author was also a winner of an electronics contest (Germanic countries) in 1979 and got his project published in the “Electronics Magazine ELO”).

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Stay tuned for next blog post(s) 😉

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Maker-First Steps in Electronics-The rotating and moving plastic container

Maker-First Steps in Electronics-The rotating and moving plastic container

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Rotating and moving plastic container

 

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The rotating and moving plastic container

Half Square Nut as unbalance

Click image please to enlarge.

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In previous blog post (tutorial) WE used a vibration motor from an old smartphone and we were learning also about the How-To about a vibration motor is working; it is about “Unbalance“. This unbalance is normally unwanted for motors, but for vibration motors it is a MUST. The motor we used was a 3 Volts motor and very small. In THIS NEW project we will use a 9 Volts DC-Motor and we will create from a normal motor a vibration motor with a little trick.

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Square Nut

Click image please to enlarge.

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We will use a square nut and saw it in the middle, then taking the hot glue pistol and gluing it (one half) on the shaft of the 9 Volts DC-Motor.

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Learn more:

9 Volts DC Motors are actually very cheap, check below please:

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Let us have a look on the unbalance and vibrations motors

A vibrating motor is essentially a motor that is improperly balanced. In other words, there is an off-centered weight attached to the motor’s rotational shaft that causes the motor to wobble. The amount of wobble can be changed by the amount of weight that you attach, the weight’s distance from the shaft, and the speed at which the motor spins.

Learn more:

 

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vibration-motor

Click image please to access the article.

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The schematics

Let us first have a look on the schematics where WE will discover some NEW stuff, a mini motor; in this case it is an “vibration motor“.

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moving-plastic-containe-schematics

Click image please to enlarge

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VELCRO.

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As you can see there is NOTHING special; we just put five (5) elements (4 flashing LEDS, a vibration motor) in parallel. The motor will get fixed with hot glue on the bottom. And we have a switch to switch on/off our circuit. As battery we use a 9 Volts battery which will get fixed with “VELCRO” on the bottom.

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Learn more:

Calculating the resistor value with a 9 Volts battery and knowing that the flashing LEDs will be 3 Volts and consuming 20 mA. SO: 9-3=6 Volts which will get needed to take away from the LEDs. Check below please:

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led-series-resistor-calculator

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The shown value is 300 Ohms, but that is NOT a standard value. We will use a 330 Ohm resistor, as it is a standard value.

Useful online help:

 


The tools needed

Check below please WHAT the tools are that you will need for this project. The small saw is needed to cut out a small piece of 55 x 45 mm from the stripboard. That part is needed for soldering the resistor and the switch and is used to make the necessary connections to the other parts.

 

 

tools-list-electronic-arts

Click image please to enlarge.

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steinel-neo1-hot-glue-pistol.

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Concerning the hot-glue pistol which you need as well, I recommend the one from “STEINEL” as it is a Cordless all-purpose glue applicator. Neat, practical, accurate. Cordless hot-melt glue pen neo1 for all gluing jobs around the home, particularly lightweight and practical, cordless gluing with rechargeable Li-Ion battery, ready for gluing in 15 sec.

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Learn more:

The price is around 35€, but worth to spend that money, comfortable precise working…

 


The Parts List

As mostly usual in my tutorials, WE will create on the beginning ONLY small stuff with some effects and a little bit of theory to give YOU the fun and the sense for electronics. SO, in this project there also ONLY a few components, such as: 9 Volts DC-Motor, Flashing LEDs, 1 resistor, 1 switch, a 9 Volts Battery, a plastic container (actually a Ricotta Cheese plastic container).

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Item and quantity

Supplier and order number

Price

1 x Stripboard CONRAD: 529531 2,19€
VELCRO tape  +/- 10 cm needed à 16,99€/1 m CONRAD: 546887  1,70€

1 x Empty plastic container +/- 10 cm diameter

1 x Switch CONRAD: 1377837 2,19€
1 x 9 Volts battery CONRAD: 658014  3,99€

1 x 9 Volt Battery Clip

 CONRAD: 624691

 0,44€
4 x 5mm flashing LEDs pack of 10 is $4.95 ADAFRUIT: ID 680 2,40€
1 x Flat Bandcable CONRAD: 604069  0,30€

1 x 9 Volts DC-Motor

 ADAFRUIT: ID711 1,95 
 1 x Resistor 330 Ohm

4 x LED clips 5 mm 100 pces is 9,99€

 CONRAD: 405191

CONRAD: 185806

0,10€ 

0,40€

 TOTAL: 15,66€ 

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As you can see it is a very cheap project, ONLY 15,66€ and easy to realize! ALL what YOU need is a bit time, passion and here we GO! 😉 Have FUN!

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The video of the project

Please check the video below to see it in action.

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GUST-AVRIL2014-800px-2L’auteur Gust MEES est Formateur andragogique / pédagogique TIC, membre du “Comité Conseil” de “Luxembourg Safer Internet” (LuSI), appelé maintenant BEESECURE, partenaire officiel (consultant) du Ministère de l’éducation au Luxembourg du projet  ”MySecureIT“, partenaire officiel du Ministère du Commerce au Luxembourg du projet ”CASES” (Cyberworld Awareness and Security Enhancement Structure). L’auteur était aussi gagnant d’un concours en électronique en 1979 ( Pays germaniques ) et voyait son projet publié dans le magazine électronique “ELO”.


The author Gust MEES is ICT Course Instructor, ”Member of the Advisory Board” from “Luxembourg Safer Internet” (LuSI), BEESECURE, Official Partner (Consultant) from the Ministry of Education in Luxembourg, project “MySecureIT“, Official Partner from the Ministry of Commerce in Luxembourg, project “CASES” (Cyberworld Awareness and Security Enhancement Structure).

The author was also a winner of an electronics contest (Germanic countries) in 1979 and got his project published in the “Electronics Magazine ELO”).

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Keywords necessary for me to create this blog post: Bandkabel, Unbalance explication, DC Motors, vibration motors,

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Stay tuned for next blog post(s) 😉

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Maker-First Steps in Electronics-Soldering Learning-The Mini BUG Robot

Maker-First Steps in Electronics-Soldering Learning-The Mini BUG Robot

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The Mini BUG Robot

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The Mini BUG Robot

In last blog post (tutorial) WE were practicing OUR soldering by creating “JOHNNY the ski-man“, a bit “Electronics-Art” using electronics components. In the video below, which I created with the FREEWARE <===> Windows Movie Maker <===> WE see ALSO “The Mini BUG Robot” who gives “JOHNNY” a ride. It is very easy to build that mini robot as there are ONLY six (6) components to solder.

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The schematics

Let us first have a look on the schematics where WE will discover some NEW stuff, a mini motor; in this case it is an “vibration motor” which is used in smartphones. THEY exist as round, rectangular and in disk format, please check <===> Vibration Motor Images <===> in Google searches (images).

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minibug-robot-schematics-screenshot

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As you can see there is NOTHING special; we just put four (4) elements (2 LEDS, a vibration motor and a tantalum capacitor) in parallel. And we have a switch to switch on/off our circuit. As battery we use a “CR2032“.

Learn more:

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vibration-motor

Click image please to access the article.

 

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The electronics parts list

Check below please to find out about the electronic components.

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The Mini BUG Robot Parts list

Click image please to enlarge.

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Detailed parts list, supplier and prices

Please find below the detailed parts list as well as the supplier and the prices.

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Item and quantity

Supplier and order number

Price

1 x Stripboard CONRAD: 529531 2,19€
Silver wire 1 mm / 14 m <===> +/- 30 cm needed CONRAD: 607657  0,40€

1 x Tantalum capacitor 47 uF/16V

CONRAD: 481777

 2,99€
1 x Switch CONRAD: 1377837 2,19€
1 x Button cell holder CONRAD: 650546  1,29€

1 x Vibration motor from old smartphone

 

2 x 3mm LEDs red CONRAD: 759472 à 0,20€ 0,40€
1 x Cell CR2032 CONRAD: 651088  4,19€

Total:

 13,65€

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As you can see it is a very cheap project, ONLY 13,65€ and easy to realize! ALL what YOU need is a bit time, passion and here we GO! 😉 Have FUN!

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The tools needed

Check below please WHAT the tools are that you will need for this project. The small saw is needed to cut out a small piece of 55 x 45 mm from the stripboard.

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tools-list-electronic-arts

Click image please to enlarge.

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The soldering

The Mini BUG Robot-Solder side

Click image please to enlarge.

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Feel FREE to make the wiring and connections as YOU want by following the schematics; on left-hand side you will see how I did it. Fix the vibration motor with a bit hot glue onto the stripboard as well (components side).

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The Mini BUG Robot.

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Concerning the legs of the “Mini BUG Robot”: Cut 2 pieces of 9 mm off from silver wire and bend them both sides at +/- 3,5 cm, see PIC please, and solder them onto the stripboard.

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Very important

In OUR above project we are using two (2) 3 mm red LEDs in parallel. It DOESN’T work when YOU take two different colors, I tried it out 😉 WHY!??? Please check links below:

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GUST-AVRIL2014-800px-2L’auteur Gust MEES est Formateur andragogique / pédagogique TIC, membre du “Comité Conseil” de “Luxembourg Safer Internet” (LuSI), appelé maintenant BEESECURE, partenaire officiel (consultant) du Ministère de l’éducation au Luxembourg du projet  ”MySecureIT“, partenaire officiel du Ministère du Commerce au Luxembourg du projet ”CASES” (Cyberworld Awareness and Security Enhancement Structure). L’auteur était aussi gagnant d’un concours en électronique en 1979 ( Pays germaniques ) et voyait son projet publié dans le magazine électronique “ELO”.


The author Gust MEES is ICT Course Instructor, ”Member of the Advisory Board” from “Luxembourg Safer Internet” (LuSI), BEESECURE, Official Partner (Consultant) from the Ministry of Education in Luxembourg, project “MySecureIT“, Official Partner from the Ministry of Commerce in Luxembourg, project “CASES” (Cyberworld Awareness and Security Enhancement Structure).

The author was also a winner of an electronics contest (Germanic countries) in 1979 and got his project published in the “Electronics Magazine ELO”).

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Stay tuned for next blog post(s) 😉

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Maker-First Steps in Electronics-Soldering Learning-Electronics Art

Maker-First Steps in Electronics-Soldering Learning-Electronics Art

. Electronic-Arts: JOHNNY the ski-man .


Maker-First Steps in Electronics-Soldering Learning

When WE start with electronics on the beginning we can work with so-called “Breadboards“(see photo below please), but soon or later soldering will become a MUST and an habit! SO, the BEST WE can do is to GET some PracTICE with soldering; in this tutorial we will make a bit “Electronics-Art“. WE will use already known electronic components such as resistors, stripboard parts (we will need to saw and rasp…),  a LED and an IC (Integrated Circuit), a NEW component. OUR project will ONLY serve as soldering PracTICE as there will be NO function of the electronic used, SO the IC could be ALSO a damaged one (useful recycling) 😉

breadboard-1

Breadboard: Click image please to enlarge

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Learn more:

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resistors-watts

Please click image to access the article for more information.

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As YOU might have seen in the image of “JOHNNY the ski-man“, some resistors are BIGGER then others! WHY and what is its meaning!? Well, WE have to go back to “OHM’s Law“, as BIGGER resistors in size are, as MORE POWER they can dissipate; I used 1/2 Watt and 1 Watt resistors. Please check below.

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Learn more:

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Parts List of the components used

parts-list-electronic-arts

Click image to enlarge please.

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The following components are required:

Six (6) resistors of 1/2 Watt, two (2) resistors of 1 Watt, one (1) IC (14 or 16 pins), one (1) LED, two (2) diodes (1N4007), some colored rigid wire for the scarf, 1 mm² rigid copper cable wire and 1 mm silver wire.

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Tools needed.

tools-list-electronic-arts

Click image please to enlarge.

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The following tools are required:

Vise, rasp, solder iron and solder wire, electronic cutter, electronic flat-nosed pliers, small handsaw and don’t forget the vacuum cleaner for cleaning up the working place later, please 😉

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Learn more:

 


Where to start? The mechanical part

sawing the stripboard

Click image please to enlarge.

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WE will start with the hardest part of the job, the skis. The skis are made of a small part of a stripboard which has to be sawn; we count four (4) holes and saw along the strips there, see pic. The length would be about 5 cm ( +/- 2 inches).

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ski detail

Click image please to enlarge.

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Once the two (2) pieces of the stripboard sawn they must get rasped to look smooth. See pic please.

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Skis detail

Click image please to enlarge.

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As the stripboard pieces are rectangular on the edges they must get rounded as well with the rasp, see pic details please.

Solder together now the three rows on the top of the stripboard as shown in image, this will give a bit weight to keep the balance once the other electronic components are soldered.

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The soldering

Soldering order details

Click image please to enlarge.

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SO, the hardest job is done now! UP to solder the electronic components, but where to start!? Start first with the soldering of the diode (1N4007) on both skis, followed by soldering the small resistors, check pic please.

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A little exercise: WHAT are the values in OHM (Ω) of the resistors used (check pic, please)? Hint: if YOU don’t remember how the code is working, check here <===> http://www.allaboutcircuits.com/textbook/reference/chpt-2/resistor-color-codes/ <===> and/or here for an online calculator <===> http://www.allaboutcircuits.com/tools/resistor-color-code-calculator/.

BTW: for OUR project it doesn’t matter which value the resistors have as they are used ONLY for the soldering PracTICE..

Concerning the PracTICE about soldering check <===> https://www.kemo-electronic.de/en/loetkurs.php?page=1 <===> A GREAT step-by-step guide.

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Hint: For THOSE who can’t wait for NEXT tutorial, have a look on my proposed links in this tutorial and YOU will find more 😉

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Check out ALSO, please, my my other blog posts about Maker, MakerED, MakerSpaces:

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The finished project

SO, that’s it folks!  Wishing YOU some fun with this project and hopefully you will get more interested about electronics 😉 Check the video below please to see OUR STAR in action… BTW: The “Mini BUG Robot” present in the video will get proposed ALSO in another tutorial…

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GUST-AVRIL2014-800px-2L’auteur Gust MEES est Formateur andragogique / pédagogique TIC, membre du “Comité Conseil” de “Luxembourg Safer Internet” (LuSI), appelé maintenant BEESECURE, partenaire officiel (consultant) du Ministère de l’éducation au Luxembourg du projet  ”MySecureIT“, partenaire officiel du Ministère du Commerce au Luxembourg du projet ”CASES” (Cyberworld Awareness and Security Enhancement Structure). L’auteur était aussi gagnant d’un concours en électronique en 1979 ( Pays germaniques ) et voyait son projet publié dans le magazine électronique “ELO”.


The author Gust MEES is ICT Course Instructor, ”Member of the Advisory Board” from “Luxembourg Safer Internet” (LuSI), BEESECURE, Official Partner (Consultant) from the Ministry of Education in Luxembourg, project “MySecureIT“, Official Partner from the Ministry of Commerce in Luxembourg, project “CASES” (Cyberworld Awareness and Security Enhancement Structure).

The author was also a winner of an electronics contest (Germanic countries) in 1979 and got his project published in the “Electronics Magazine ELO”).

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Stay tuned for next blog post(s) 😉

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Maker-First Steps in Electronics-Building a Power Supply

Maker-First Steps in Electronics-Building a Power Supply

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Building a Variable Power Supply With Few Components

Variable Power Supply-work in progress

Click the image please to enlarge

In previous tutorial Maker-First Steps in Electronics, the basics WE got a bit the PracTICE of soldering and WE learned ALSO about schematics, resistors, LEDs, diodes and OHM’s Law. WE used ALSO a 9 Volt battery as a power supply for our projects; BUT batteries are expensive (3,99 €) and when playing around a lot on experimenting WE would use a lot of them. This will certainly be the case as on the beginning while tinkering around, my personal experience, as one is curios and tries out everything. Which is good by the way, but better is to build a variable power supply for few money and for small projects like WE are working on.

SO, let us have a look on the schematic about WHAT WE will create next. WE will discover some NEW components, such as a voltage regulator integrated circuit (IC), a variable resistor (potentiometer), capacitors, electrolytic capacitors… which WE will learn more about as well in this tutorial.

WE had already the experience with a stripboard, which we will continue (on the beginning) to build our variable power supply. It will be a very easy one with ONLY 10 components to solder on the stripboard. The tension will be adjustable  by a potentiometer (variable resistor) from 0-24 Volts and a maximum current of 1 Ampere. WE will ALSO provide it with a switch so that we can ALSO use it as a Volt-Meter to measure the tensions on our strip-board projects…

WE will ALSO learn to drill and to rasp as WE will enclose our project into an enclosure; well mechanics are part as well when one tinkers with electronics 😉

WE will solder measure points on the strip-board as well. so we can learn about measuring and to understand what is going on when AC gets through a rectifier bridge and becomes DC…

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Schematics

Electronic Schematics – Need-To-Know

BEST explication I have found and WHICH I agree!!! Electronic schematics are like recipes for electronics. They tell you what ingredients to use and how to mix the ingredients. But instead of using text to explain the recipe, a drawing is used.

Learn more:

Please check the schematics of OUR project below:

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variable-power-supply-schematics-test-screenshot

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The above schema was created with:

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Fuse

fuse-schematics

Rectifier bridge

bridge-rectifier-schematics

Voltage Regulator

voltage-regulators

Transformer

transformer-schematics

Capacitors and Polarized Capacitors (Electrolytic Capacitors)

 

capacitors-schematics

Variable Resistor (Potentiometer)

potentiometer

potentiometer-schematics

Resistors

resistor-schematics 

 

 

 

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Learn more:

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The Components and the Parts List

Please check below the photo to get familiarized with the parts.

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variable-power-supply-parts-list-photo

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In above image WE see parts which we used already in first tutorial <===> Electronics Starter Kit for Makers <===> such as resistors, diodes  and the stripbord. NEW components are (please check the links below to learn more):

This time WE will ALSO need to use some tools and mechanical parts; well electronics without mechanics doesn’t exist 😉 Will get explained in a new tutorial…

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List of online Electronics shops (mostly for Europe, but some are delivering ALSO global):

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Detailed parts list, supplier and prices

Please find below the detailed parts list as well as the supplier and the prices.

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Item and quantity

Supplier and order number

Price

1 x Transformer 230V/1A CONRAD: 710422 15,99€
1 x Bridge rectifier B40/C7000-4000 CONRAD: 501980  4,49€

2 x Electrolyte capacitor 1000uF/63V

CONRAD: 1472875 à 1,49€

 2,98€
1 x Diode 1N4007 CONRAD: 1262766 0,22€
1 x Resistor 100 Ω CONRAD: 405132  0,10€

1 x Potentiometer 4K7 Ω

CONRAD: 440778

1,99€

1 x Knob for potentiometer CONRAD: 715840 1,09€
1 x LM317T CONRAD: 176001  0,34€

1 x Capacitor MKS2-1uF/63V

CONRAD: 455318

1,49€
1 x Panel-Meter  CONRAD: 101950 35,99€
1 Heatsink for LM317T CONRAD: 183870  1,03€
1 x Mounting-Kit TO220 CONRAD: 155140 0,72€

1 x Stripboard

CONRAD: 529531

 2,19€
2 x PCB Connector 2 pins CONRAD: 1192188 à 0,28€ 0,56€ 
Total:  69,18€

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Check out this video tutorial to understand

A GREAT video tutorial to watch for understanding about the used “Voltage Regulator Chip LM317T“:

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First tests without the transformer

I propose to make the first test(s) without the transformer; by using a 9 Volts battery! This to make sure that there isn’t any mistake on the wiring as a short-circuit could cause damage!! Check photo below please:

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Test with 9 Volts battery

Click image please to enlarge

 

Using a copy of the schematics and a pen to erase the done connections already; this allows to keep an eye on how far one is…

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marking connections made

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Safety FIRST as WE are working with 230 Volts!!

549px-iso_7010_w012-svgI will propose two different projects, one for NEWBIES and one for advanced users! NEWBIES will NOT solder the transformer on the stripboard, BUT will connect it to the stripboard by <===> Safety FIRST rules <===> and advanced users could solder it on the stripboard by respecting these Safety rules! WE will use ALSO heat-shrinking tubes to insulate ALL the components where 230 Volts is connected to assume that nobody could touch them to avoid electrical shock by touching!!!

Learn more about heat-shrinking tubes:

 

I am NOT the guy WHO follows any rules, BUT THESE ONE I follow myself ALSO as it is mandatory!! YOUR life and/or the life of OTHERS could be in danger if NOT followed!!! SO, take YOUR responsibility, please 😉 Well, enough blabla, let us have a look WHY:

Learn more:

Check photos below please:

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Heat-shrinking tubes on transformer before shrinking

Click image please to enlarge.

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Heat-shrinking tubes on transformer after shrinking

Click image please to enlarge

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Let us protect and ALSO our workbench with a plastic underground (plastic is insulating…), check below please:

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Protecting and insulating workbench

Click above image please to enlarge it.

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Two different projects, one for NEWBIES and one for advanced users: thus meaning; NEWBIES will NOT solder the transformer on the stripboard, BUT fixing and connecting it apart! Advanced users will be able to solder the transformer on the stripboard by taking care of safety rules, check above image please for connected transformer on the stripboard and image below please for transformer connected with wires to the stripboard .

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Transformer connected outside the stripboard

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Building UP from the beginning a system for wiring

WE have two different possibilities for the wiring and connection of the components on the stripboard:

  1. Using really wiring with colored insulated wires
  2. Using ONLY the copper strips on the stripboard to make the connections
  3. OR using both as I did in above; one red colored wire was used to make a connection…

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WHEN WE use the wiring with colored insulated wires, we need to have a system in it, let us define UP from the beginning which colors mean WHAT! I propose this:

  • Red for the “PLUS” of DC Power Supply
  • Blue for the “Minus” (Ground) of DC Power Supply
  • Green for the connections of AC
  • White or blank silver wire for bridges on the stripboard: connections from one component to the other…

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List of free electronics circuit simulators

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ltspice-tutorial-simulator

Click image please to access the video

Nowadays WE have the chance to profit from FREE Simulator software to examine the How-To circuits work, please find below some useful links:

 

Please check below for useful articles on Software:

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Learn more:


Next steps to come

Well, first build the above and finish it! Later WE will bring in ALSO some test points (soldering them on the stripboard) for measuring the voltage on different points and we will solder as well on the stripboard some more components to protect out project against short circuits, an electronic fuse with ONLY five (5) components. WE, once finished the above mentioned will then go for mechanical works as the whole will get fit into an enclosure. There will be then a bit drilling, rasping and…

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Some electronics projects made +/- 25-30 years ago, check video below please 😉 I stopped tinkering around for the peace of our conjugal life, well wife was right! I had to much hobbies; NOW I am retired and I have too much time, SO I started again…

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Keywords necessary for me to create this blog post: Learning about alternative current (AC), Direct current (DC), Zenerdiodes, Voltage regulators, 7809, LM317T, Panelmeter, Digital Voltmeter, testing, measuring, test points, potentiometer, variable resistors, capacitors, electrolytic capacitors, LCD Display…

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GUST-AVRIL2014-800px-2L’auteur Gust MEES est Formateur andragogique / pédagogique TIC, membre du “Comité Conseil” de “Luxembourg Safer Internet” (LuSI), appelé maintenant BEESECURE, partenaire officiel (consultant) du Ministère de l’éducation au Luxembourg du projet  ”MySecureIT“, partenaire officiel du Ministère du Commerce au Luxembourg du projet ”CASES” (Cyberworld Awareness and Security Enhancement Structure). L’auteur était aussi gagnant d’un concours en électronique en 1979 ( Pays germaniques ) et voyait son projet publié dans le magazine électronique “ELO”.


The author Gust MEES is ICT Course Instructor, ”Member of the Advisory Board” from “Luxembourg Safer Internet” (LuSI), BEESECURE, Official Partner (Consultant) from the Ministry of Education in Luxembourg, project “MySecureIT“, Official Partner from the Ministry of Commerce in Luxembourg, project “CASES” (Cyberworld Awareness and Security Enhancement Structure).

The author was also a winner of an electronics contest (Germanic countries) in 1979 and got his project published in the “Electronics Magazine ELO”).

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Stay tuned for next blog post(s) 😉

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