Eckstein komponente KS0530 - Page 87

87
(5)Test Code：
/*
keyestudio sun_follower
lesson 1.1
Blink
http://www.keyestudio.com
*/
#define LED 3 //define the pin of LED as D3
void setup()
{
pinMode(LED, OUTPUT);// initialize digital pin LED as an output.
}
void loop() // the loop function runs over and over again forever
{
digitalWrite(LED, HIGH); // turn the LED on (HIGH is the voltage
level
delay(1000); // wait for a second
digitalWrite(LED, LOW); // turn the LED off by making the voltage
LOW
delay(1000); // wait for a second