Posted in Transportation Hacks Tagged boats, development board, ESP32, ESP32-WROOM-32, marine electronics, NMEA 2000, Signal K Post navigation ← Forth Module The Size Of A Stick Of Gum ...

The 4 channel smart relay board is powered by a ESP32 WROOM providing the ability to safely control up to four appliances or devices on a load of 110-250 VAC/7A, 30 VDC/10A depending on your needs.