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(Solved): Arduino Coding With ESP8266 NodeMcu:Background:A mailbox switch works by completing a circuit betwee ...



Arduino Coding With ESP8266 NodeMcu:

Background:
A mailbox switch works by completing a circuit between an inbound and outbound wire

Task:
Write a program with Arduino IDE that switches a mailbox circuit on just like a doorbell switch and is controlled over wifi. note which pins you are using. 

Here is a picture of a doorbell switch circuit and the NodeMcu...


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To control the mailbox circuit over WiFi using the ESP8266 NodeMCU board and the Arduino IDE, you
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