ESP8266 WIFI 4 Channel Relay Module ESP-12F 30A Development Board For Arduino
15,80 €
On-board mature and stable ESP-12F WiFi module, large capacity 4M Byte Flash;. There are 4 5V/30A relays on board, which output switch signals, which. WiFi module, all I/O ports are led out, and it supports DC7-28V/5V power.
Jetzt bei Ebay:
