The PCB holds an ESP32-PICO-D4 which is operating as a standard Bluetooth HID controller for maximum compatibility with modern systems.

If you feel brave enough, you can even use your Bluetooth-powered toothbrush to control your smart devices and home lab! I turned my ESP32 into a Bluetooth Proxy, and here's how you can too ...

It’s a case of standing on the shoulders of giants. The ESP32-CAM is a device that allows one to stream live video images over a network using existing example code.