Arduino 배열을 이용한 LED 제어
# ex1
int pinLED[]={3,5,6,9};
int i;
int delay_t = 500;
void setup() {
Serial.begin(9600);
for(i=0; i < 4; i++)
pinMode(pinLED[i], OUTPUT);
}
void loop() {
for(i=0; i < 4; i++) {
digitalWrite(pinLED[i-1], 0);
digitalWrite(pinLED[i], 1);
delay(delay_t);
}
for(i=3; i > 0; i--) {
digitalWrite(pinLED[i], 0);
digitalWrite(pinLED[i-1], 1);
delay(delay_t);
}
}
# ex2
1
1 2
1 2 3
1 2 3 4
1 2 3
1 2
1
2
3
4
3 4
2 3 4
1 2 3 4
2 3 4
3 4
4
3
2
1
int pinLED[]={3,5,6,9};
int i;
int delay_t = 500;
void setup() {
Serial.begin(9600);
for(i=0; i < 4; i++)
pinMode(pinLED[i], OUTPUT);
}
void loop() {
for(i=0; i <= 3; i++) {
digitalWrite(pinLED[i], 1);
delay(delay_t);
}
for(i=3; i > 0; i--) {
digitalWrite(pinLED[i], 0);
delay(delay_t);
}
for(i=0; i <= 3; i++) {
digitalWrite(pinLED[i], 1);
digitalWrite(pinLED[i-1], 0);
delay(delay_t);
}
for(i=3; i >= 0; i--) {
digitalWrite(pinLED[i], 1);
delay(delay_t);
}
for(i=0; i < 3; i++) {
digitalWrite(pinLED[i], 0);
delay(delay_t);
}
for(i=3; i > 0; i--) {
digitalWrite(pinLED[i], 0);
digitalWrite(pinLED[i-1], 1);
delay(delay_t);
}
}
