Tag 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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Makey Makey

I am very late to the Makey Makey party, I know. In case you don’t know what it is, it’s a gizmo that plugs into just about any computer’s USB port. The computer thinks it’s a normal USB keyboard (MacOS … Continue reading

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Scrolling LCD text on Arduino/Raspberry Pi

As part of my Raspberry Pi/Arduino internet radio project, I’m tinkering with getting the display to show something other than the station name and the time and date – the weather, for example. Now we’ve been having quite a lot … Continue reading

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