Tag Archives: theremin

Ultrasonic distance sensor micro:bit theremin

I’ve tried to make really crude theremin-like noise-making machines before with an Arduino and an LED, and with micro:bits, and of course there’s my spooky bat theremin Scratch project. I had a HC-SR04 ultrasonic distance sensor lying around. You can … 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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