ESP32 spins an HC-SR04 on a stepper to create a continuous 360° ultrasonic radar. Angle and distance pairs are streamed over TCP to a Processing UI that plots a live radar on a PC. ESP32 runs ...

The developer behind the project used a clever trick to get around the ESP32-C's RAM limitations.

At least in theory, video games are more resistant to becoming lost media thanks to their digital nature — they’re easy to ...

A mid-sized manufacturing client came to us with a familiar pain point. Their production floor had no real-time visibility ...

Sometimes you see a project and immediately, before going into the details, your mind throws up the old refrain: “coulda used ...

Update 3/9/25: After receiving concerns about the use of the term 'backdoor' to refer to these undocumented commands, we have updated our title and story. Our original story can be found here. The ...

Most people assume object tracking for autonomous flight is very complex, but it doesn’t have to be that way. All you need is ...

What just happened? A compact quadcopter built around an ESP32 microcontroller has reached a measured top speed of about 67 miles per hour, demonstrating how far a low-cost, small-format platform can ...

An ESP32-C3 SuperMini with just 400 KB of RAM and 4 MB of flash can block over 537,000 ad and tracking domains with roughly ...

Our team designed and built a fully functional prototype from the ground up. We handled the firmware, the PCB layout, the 3D ...