Category Archives: Arduino

Arduino composite video out using only 3 resistors

It’s supposed to be easy – 2 or 3 resistors and you can get your Arduino micro controller to produce low-resolution black and white composite video. Well, it wasn’t for me. It took me hours to get it working, but … Continue reading

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50p reverse LED Arduino theremin

Okay, it’s not exactly musical, but this is a pretty cool quick Arduino project you can make with: an LED a piezo buzzer er, that’s it Okay, you need an Arduino, but it doesn’t even use a resistor. I used … Continue reading

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Little Box of Christmas

A good while ago, I made The Little Box of Poems. This is a box that prints a random poem every time you push a big red button. Inside is an Arduino microcontroller and a thermal till roll printer, and … Continue reading

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Making beautiful music with a MakeyMakey

The MakeyMakey is a gizmo that allows you to control computers by touching anything that conducts a small amount of electricity: PlayDoh, fruit, vegetables, even graphite pencil. As you may know, I’ve been playing tunes on potatoes and making Scratch … Continue reading

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Visual MaKey MaKey Scratch piano

I liked the simple piano I used for the Potato Piano, but I wanted something with some visual feedback, so I just made this one. It works just the same, you wire up some vegetables, PlayDoh, stairs, children etc to … Continue reading

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