Setting up your ESP32 with ESPHome Setting up a simple binary sensor Once you're ready to go in ESPHome, the following lines of code are what I use on my ESP32 to detect my presence.

The demo code for [XTronical]’s ESP32-based SD card music player is not even 40 lines long, though it will also require a few economical parts before it all works. Nevertheless, making a micr… ...

Found in all manner of IoT devices, the ESP32 can be fooled into executing arbitrary code via this vulnerability, which can do everything from clearing the devices RAM to flipping GPIO pins.