Extension board for Gewiss GW20220 power outlet: http://www.gewiss.com/prv/en/products/catalogue.l_ZP6000000000000001000023910100000.html ![Socket assembly][1] ![Socket assembly][2] **Hardware features:** 1) Wi-Fi connectivity with ESP8266 2) On/Off using 10A relay 3) Power meter based 4) Led indicator/Buzzer **Software features:** 1) Remote on/off 2) Power measurements (ac current, voltage, power) 3) Consumer connect/disconnect events 4) Parental controls: lock/unlock 5) Auto switch off depending on load type 6) Led indicator for status (overload, fault, wi-fi connectivity, remote alerts) 7) MQTT client, SSL 8) HTTP server for first config 9) learning connected device power profile based on seasonality/power consumption/load type/power factor 10) auto detect faulty devices. example: faulty fridge will change power consumption load range and frequency. this is still under research 11) cloud connectivity - orange PI gateway used 12) auto binding to events from other devices like smart wall switch Use cases: Home automation Hotels/busineses Electric companies [1]: /editor/20170906/59aede7db82a7.jpg [2]: /editor/20170906/59aede875a527.jpg