Происхождение товара
Guangdong, China
Item
ESP32-WROOM-32U WiFi Relay Module with Power supply
Relay capacity (per relay)
250Vac/10A, 125Vac/10A, 30VDC/10A
Relays
4 independently controlled via ESP32
Power interface
DC power socket
Note
if the board can not work, please change power to 9V 1A or 12V 1A