The ESP Module is powered by an ESP32 DEVKITC-32D microcontroller which is included in each reward. “The ESP Modules circuitry allows for the control of 4 Panasonic SPDT relays via GPIO pins.

If you're worried about getting a counterfeit ESP32, you shouldn't be... though they do technically exist, but maybe not in ...

Did you know the ESP32 can be a USB host? Well it can, and [Volos] uses host mode to build this fun little word processor. The venerable ESP32 has a well-known USB device mode. Anyone who has progr… ...