Hot Wires / Snap Circuits are simple circuit building blocks that are used to teach electronics to small children. They use press studs, similar to those used on coats, to connect the components, ...

A GPIO pin, such as the 17 out of 26 pins on the Raspberry Pi B’s board that are programmable switches, works in binary mode. Binary is just a fancy way of saying “on” or “off”. That’s how digital ...

LED matrix cube project showcases customizable images using Raspberry Pi. Tutorial suggests costly Adafruit parts, but cheaper alternatives are available from AliExpress.

The HAT connects your Raspberry Pi to the matrix panel and retails for around $15. Last but certainly not least, you'll need an appropriate power supply to give your sign life.