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Control home WiFi switches from office
2 votes

This can be easily done with existing IOT module and I have done for my home with ESP8266 via blynk App. What you need: ESP8266 module Version 01S is already okay for controlling 4 relays (4 devices)....

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Making a smart light switch
3 votes

A XOR circuit or this somewhat will implement your requirement! It work like staircase switches to toggle the bulb from both sides. I am using 2 SN74LVC1G3157DBVR chips. IO1 will connect with a ...

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