Files
arduino/week4-3/week4-3.ino
2022-03-16 10:54:01 +08:00

26 lines
546 B
C++

const int LED[] = {11, 10, 9, 8, 7, 6, 5, 4};
void setup() {
for (int i = 0; i < 9; i++) {
pinMode(LED[i], OUTPUT);
digitalWrite(LED[i], HIGH);
}
}
void loop() {
for (int i = 0; i < 3; i++) {
digitalWrite(LED[3-i], LOW);
digitalWrite(LED[4+i], LOW);
delay(100);
digitalWrite(LED[3-i], HIGH);
digitalWrite(LED[4+i], HIGH);
}
for (int i = 0; i < 3; i++) {
digitalWrite(LED[i], LOW);
digitalWrite(LED[7-i], LOW);
delay(100);
digitalWrite(LED[i], HIGH);
digitalWrite(LED[7-i], HIGH);
}
}