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 ...

ESP32s are surprisingly good AI lie detectors.

In October 2025, Qualcomm acquired Arduino. At that moment, shockwaves ran through the maker community worldwide. 'Arduino is dead,' 'This is the end of open source.' Reddit erupted, and the Hacker ...

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 ...

Brandon Lai is trying to build a humanoid robot. To do that, he needs actuators. However, off-the-shelf products are too expensive. So, he decided to make them himself. A hand-wound coil stator. A CNC ...

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.

What do you get when you take 8,192 CH570 MCUs, put them on custom PCBs, and write firmware for this interconnected gaggle of cores? In the case of [bitluni]’s project, you get something that’s ...

It's amazing what you can do with an ESP32 (or two).

Most hobby servos will happily hold position because of gearbox friction even when no valid PWM signal is present. As long as they keep seeing servo frames, the control electronics continue to drive ...

When most gearheads and DIYers get the itch to hit the water, they look into buying a used jet ski, a small john boat, or maybe a kayak. But YouTube creator Julius Perdana had a slightly different ...