LilyGo T-Relay-8 is an ESP32 WiFi & BLE board with eight 5V relays supporting up to 250V AC or 28V DC and a 16-pin GPIO extension header.

The board provides a more compact solution than the conventional two-board setups consisting of an ESP32 board and a separate 8-relay “Arduino” module, and it also incorporates optocouplers for enhanced safety.
