Arduino Knight Rider light effect, a simple variation of blink code.
Parts List;
1) 5x 5mm red LED
2) 1x Arduino
3) 5x 330Ω resistor
4) Jumper wire
Instruction;
1) Connect all LED as diagram below, make sure cathode lead of LED at ground wire.
2) Connect all 330Ω resistor to anode lead of LED.
3) Connect all jumper wire to digital pin 12, 11, 10, 9 and 8.
Upload this code to your arduino
/*
Knight Rider
Create LED chasing effect as knight rider light.
Coded by: arduinoprojects101.com
*/
void setup() {
// initialize the digital pin 12, 11, 10, 9, 8 as an output.
pinMode(12, OUTPUT);
pinMode(11, OUTPUT);
pinMode(10, OUTPUT);
pinMode(9, OUTPUT);
pinMode(8, OUTPUT);
}
void loop() {
digitalWrite(12, HIGH);
delay(80);
digitalWrite(12, LOW);
digitalWrite(11, HIGH);
delay(80);
digitalWrite(11, LOW);
digitalWrite(10, HIGH);
delay(80);
digitalWrite(10, LOW);
digitalWrite(9, HIGH);
delay(80);
digitalWrite(9, LOW);
digitalWrite(8, HIGH);
delay(80);
digitalWrite(8, LOW);
// reverse
digitalWrite(8, HIGH);
delay(80);
digitalWrite(8, LOW);
digitalWrite(9, HIGH);
delay(80);
digitalWrite(9, LOW);
digitalWrite(10, HIGH);
delay(80);
digitalWrite(10, LOW);
digitalWrite(11, HIGH);
delay(80);
digitalWrite(11, LOW);
digitalWrite(12, HIGH);
delay(80);
digitalWrite(12, LOW);
}
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