//---------------------------------------------------------- // Serial_LED blinks LED and talks to the Serial monitor // Hardware setup: // Wire an LED through a 330 ohm resistor from pin 7 to GND //---------------------------------------------------------- int ledPin = 7; // give I/O pin a name void setup() { pinMode(ledPin, OUTPUT); // set LED pin as an output Serial.begin(9600); } void loop() { digitalWrite(ledPin, HIGH); // Turn LED on Serial.println("I'm turned on!"); delay(1000); // Delay 1 second digitalWrite(ledPin, LOW); // Turn LED off Serial.println("I'm turned off!"); delay(1000); // Delay 1 second } |