//--- Blinks an LED on and off repeatedly at 1 sec. intervals. // // Setup: Wire an LED from Digital Pin 7 (pin 13 on the chip) thru a 330 ohm resistor to ground // //------------------------------------------------------------ void setup() { // Only do once at startup pinMode(7, OUTPUT); // initialize the digital pin as an output (for LED.) } void loop() { // repeat forever digitalWrite(7, HIGH); // turn LED on: delay(1000); // delay for 1000 milliseconds (1 second) digitalWrite(7, LOW); // turn LED off: delay(1000); // delay for 1 second } |