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Gena Rumple's How-To Make An Affordable Steampunk Helmet
Make Coiled Wire
Gummi Bear Surgery
Drive a Stepper Motor with an Arduino and a A4988 Stepstick/Pololu driver
Oh, that's not my problem :-) I've 5V on board. The keyboard is powered with an oversized 5V power supplyBTW: The word "keyboard" was misleading. It's a musical keyboard :-) Sorry for my poor english.
Looks like an ol' Sinclair QL. Thanks for the inspiration. You opened my mind for a rework project of an old Casio keyboard. There is a lot of room to build in a Raspi and a display instead of the speakers.Thanks for the idea!
Beginner's Guide to Blender
$100 Smart Mirror Pi
Make a Folding Plotter that prints Circuits on Textiles
Smart Robot with Vision and Voice control
How to Make a Five-in-One Mini Wood Working Machine
(Unofficial) API Guide for mDrawBot mScara
How to make concrete at home: CoRncrete TU Delft - TfCD (Sam Smits& Zsolt Hayde)
The book of light
Magnetic Minecraft Blocks
Lo-fi Arduino Guitar Pedal