Build a 16 channel servo tester using Arduino and 3D printing, with a simple setup and updated channel control for smoother ...

We may receive a commission on purchases made from links. If you have an interest in electronics and have been hanging around DIY tech forums for a while now, chances are you already know what an ...

If you grew up playing with LOGO on an old 8-bit computer, you’re probably familiar with the concept of a drawbot. It’s a simple robot that drags a pen around to draw on paper. [Tim] decided to build ...

ESP32s are surprisingly good AI lie detectors.

The content was simple. By combining an inexpensive BLDC motor with a 3D-printed planetary gear reducer, he created a servo motor that produces 30Nm of torque for $60. It achieves equivalent ...

An influencer known online as CircuitCindy has gone viral after building a fully functional, internet-connected treat-dispensing slot machine for her cat from scratch, complete with spinning reels, a ...

ESP32-CAM captures a parking area image on a button press (GPIO 13). The image is sent via HTTPS POST to the CircuitDigest Cloud Parking Detection API. The cloud AI model returns JSON with occupied ...

It’s little secret that stepper motors are everywhere in FDM 3D printers, but there’s no real reason why you cannot take another type of DC motor like a brushless DC (BLDC) motor and use that instead.

Got a spare PC? How I turned mine into an open-source smart home hub for free ...