Data Sheet

ARDUINO CODE
LESSON 2
| 23
void setup()
{
pinMode(9, OUTPUT);
pinMode(10, OUTPUT);
pinMode(11, OUTPUT);
}
void loop()
{
// Blue light
analogWrite(9, 0);
analogWrite(10, 255);
analogWrite(11, 255);
delay(1000);
// Green light
analogWrite(9, 255);
analogWrite(10, 0);
analogWrite(11, 255);
delay(1000);
// Red light
analogWrite(9, 255);
analogWrite(10, 255);
analogWrite(11, 0);
delay(1000);
}
The analogWrite(9, 0);
set the OUTPUT of the
pin number 9’s brightness to 0. The value can
be from 0 to 255. analogWrite(); works only
with PWM pin which has “~ ” symbol.
RESULT
Three colors (blue, green and red) will light up. It will change colour every 1 second.