F
const int Q1 = 3;
const int Q2 = 5;
const int Q3 = 6;
const int Q4 = 9;
void setup() {
pinMode(Q1, OUTPUT);
pinMode(Q2, OUTPUT);
pinMode(Q3, OUTPUT);
pinMode(Q4, OUTPUT);
}
void loop() {
digitalWrite(Q1, HIGH);
digitalWrite(Q3, HIGH);
digitalWrite(Q2, LOW);
digitalWrite(Q4, LOW);
delay(10);
digitalWrite(Q1, LOW);
digitalWrite(Q3, LOW);
delayMicroseconds(100);
digitalWrite(Q2, HIGH);
digitalWrite(Q4, HIGH);
delay(10);
digitalWrite(Q2, LOW);
digitalWrite(Q4, LOW);
delayMicroseconds(100);
}