There’s a long history of devices originally used for communication being made into computers, with relay switching circuits, vacuum tubes, and transistors being some well-known examples. In a smaller ...

This week’s selection is the 3D Printed Electromechanical 7-Segment Display by Instructables contributor tin-foil-hat. If you’re old enough you might recall the pre-LCD digital displays found in clock ...

A few days ago, we looked at the WeAct Studio STM32U585CIU6 development board, which features an ultra-low-power STM32U5 ...

Well, this might just be a Hackaday first. Certainly not the circuit sculpture part, nor the wearable aspect, but the ...

April 11, 2026 • Do you vote Republican or Democrat? And why does that answer reveal so much about the rest of who you are? We talk to political scientist Lilliana Mason about how party affiliation ...

This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...