Some events you attend, and some events you feel the moment you walk through the doors. The Rand Show 2026 was the latter, ...

Odds are, if you like neon lights, you’re not thrilled with the LED faux-“neon” strips that are supposed to replace them.

Back in 2017, Hackaday featured an audio reactive LED strip project from [Scott Lawson], that has over the years become an ...

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 ...

This project demonstrates how to control an Arduino's LED through a Node.js server and synchronize the Arduino's RX and TX LEDs with a virtual representation in Unity. By using a serial connection to ...