2 limit switches wiring using same pin Arduino

void setup() {
Serial.begin(9600);
// put your setup code here, to run once:
pinMode( 7 , INPUT );
pinMode( 13, OUTPUT); // LED FOR TEST

digitalWrite(13,LOW);
}

void loop() {

// put your main code here, to run repeatedly:
if( digitalRead(7) == LOW ){
digitalWrite(13,HIGH);
}else{
digitalWrite(13,LOW);
}
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13 Comments

  1. Hello Friend.
    I am in the project of updating a laser cutting machine. Could you help me with the wiring for the X and Z limit switches? I have a map of the card. Is it possible to send it to your email to help me? It would be something that I would really appreciate!

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