Extension board for Gewiss GW20220 power outlet: http://www.gewiss.com/prv/en/products/catalogue.l_ZP6000000000000001000023910100000.html
1) Wi-Fi connectivity with ESP8266
2) On/Off using 10A relay
3) Power meter based
4) Led indicator/Buzzer
1) Remote on/off
2) Power measurements (ac curre...
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