If you’ve tinkered with Raspberry Pi boards for a while, you probably know the default choice: Raspberry Pi OS. It’s lightweight, optimised, and works flawlessly for most DIY projects. But what if you ...

LED candles are neat, but they’re very suboptimal for wish-making: you can’t blow them out. Unless you take the circuit from ...

If you were to point to a single device responsible for much of Hackaday’s early success, it might be the Arduino Uno. The ...

Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as kitchen appliances such as mixers and grinders, can often be useful. However, ...

An Arduino library for 7-segment display modules based on the TM1637 chip, such as Seeed Studio's Grove 4 digit display. The TM1637 chip also has keyboard input capability, but it's not implemented in ...

Allows the use of a PS2 mouse (or USB mouse operating in PS2 compatibility mode) on systems with a bus mouse (quadrature) interface. This sketch is based on an article by ezContents, with the ...