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  • $4 WiFi Door Alarm using a ESP8266 #IoT

    Hello, I'm working on this instructable with my son, and I'm new to wiring electronics. I was able to wire the ESP because all the pins are labeled. I'm struggling, however, with the actual alarm circuit, because it isn't labeled. Could you please provide a diagram or picture of the two wired together? I am using all of the same components that you have suggested in your tutorial. Thanks!

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