Johan Siegers

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Johan Siegers
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The Arduino Project Handbook, published specialist imprint No Starch Press, is the work Mark Geddes, who lives and works in Dumfries in Scotland.

The Arduino Project Handbook is a beginner friendly collection of 45 fun and interactive projects to build with the low cost Arduino microcontroller. Each project includes concise instructions with fu

Upon pressing the button, the green LED of Traffic Light will turn off, yellow…

Upon pressing the button, the green LED of Traffic Light will turn off, yellow LED of Traffic Light will turn on for 2 seconds, then the red LED of Traffic Light will go to ON, by that time the green LED of Pedestrian Light will turn on.

The perfect companion while building your Arduino projects. Basic Arduino UNO R3 simplifies the pinouts which will help you find the pins more easily. Available in blue-green and white color.

The perfect companion while building your Arduino projects. Basic Arduino UNO simplifies the pinouts which will help you find the pins more easily. Available in blue-green and white color.

How to Smooth PLA 3D Prints

How to Smooth PLA 3D Prints

This is a collection of some of my favorite 3D Printing projects on the site that are fun, useful, AND great for beginners!

This is a collection of some of my favorite 3D Printing projects on the site that are fun, useful, AND great for beginners!

Some of the keychains designed in our Learn to 3D Print workshop as part of our…

Some of the keychains designed in our Learn to Print workshop as part of our new creative technology series The Studio (for teens and grades Join us April at and make your own pen holder. Teen Mentor Orientation April at

How to finish 3D prints.

This instructable was made together with Olike .For the first technique we will use 3 kinds of sandpaper - 100 grit sandpaper- 180 grit sandpaper- 320 grit.