DC 5V / 7-28V ESP8266 WiFi 8 Channel 30A Relay Module ESP-12F Development Board
28,29 €
1, Onboard mature and stable ESP-12F WiFi module, large capacity 4M Byte Flash. 4, Onboard WiFi module RST reset button and a programmable button;. 1 Single row needle 22p. hope you could understand.
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