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 ...

The ESP-FLY is a palm-sized drone powered by the XIAO ESP32S3 microcontroller, combining compact design with impressive ...

At its core, the ESP32-S3 AI Camera is powered by the ESP32-S3 chip, featuring a 160° wide-angle infrared camera, onboard microphone, and speaker. It supports real-time image recognition, voice ...

So why use ESP-NOW rather than WiFi or Bluetooth? Mostly because of range, power usage and convenience with no SSIDs and passwords to bother with. The DIY Walkie-Talkie circuit diagram.