Created
January 6, 2020 03:33
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This sketch makes an LED connected to pin 9 to blink on and off every 1 sec
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// give a name to the pin to which the LED is connected: | |
int led = 9; | |
// the setup routine runs once when you press reset: | |
void setup() { | |
// initialize the digital pin as an output. | |
pinMode(led, OUTPUT); | |
} | |
// the loop routine runs over and over again forever: | |
void loop() { | |
digitalWrite(led, HIGH); // turn the LED on | |
delay(1000); // wait for a second | |
digitalWrite(led, LOW); // turn the LED off | |
delay(1000); // wait for a second | |
} |
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