What’s the cheapest quadcopter you can build? As [Circuit Digest] demonstrates with their variant of the ESP-Drone project by Espressif, you only need a minimum of parts: an ESP32 MCU, an inertial ...

Audiophiles have worked diligently to alert the rest of the world to products with superior sound quality, and to warn us away from expensive gimmicks that have middling features at best.

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 ...

The ESP32 has emerged as a favorite tinkering device in the maker and hobbyist world thanks to its low cost, built-in Wi-Fi and Bluetooth, and strong community support. One particular strength it has ...

Have you ever imagined building a drone so small it could rest comfortably in the palm of your hand, yet powerful enough to soar through the air with precision, all controlled from your smartphone?