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From Kocur, 7 Years ago, written in C++.
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  1. int button = 6;
  2. int led = 13;
  3. boolean buttonstate = 0;
  4. void setup() {
  5. pinMode(led, OUTPUT);
  6. pinMode(button, INPUT);
  7.  
  8. digitalWrite(button, HIGH);
  9.  
  10.  
  11. }
  12.  
  13. void loop() {
  14.   if(digitalRead(button) == LOW)buttonstate = !buttonstate;
  15.  
  16.   if (buttonstate == 1) digitalWrite(led, HIGH);
  17.   else digitalWrite(led, LOW);
  18.   delay(200);
  19. }