An advanced ESP32-S3 Line Follower Robot featuring custom PID control, VL53L1X obstacle avoidance, and MPU6050 IMU sensor fusion. Includes a stunning dependency-free web dashboard with real-time ...

The Joule Thief Circuit is a simple and clever electronic design that can power an LED using a nearly dead battery.

Don't buy an RC car. Or, to be precise, "don't buy a mass-produced one." The year is 2026. Drawing circuit diagrams in KiCAD, ordering PCBs from PCBGOGO, flashing firmware to an ESP32, and printing a ...

Last September, Denmark was gripped by a spate of drone sightings near airports. It’s familiar territory for Hackaday, as we reported on a similar drone panic saga at British airports back in the last ...