#define closeGate 5
#define openGate 6
void setup() {
pinMode(openGate, OUTPUT);
pinMode(closeGate, OUTPUT);
}
void loop() {
digitalWrite(openGate, HIGH);
delay(5000);
digitalWrite(openGate, LOW);
delay (5000);
digitalWrite(closeGate, HIGH);
delay(5000);
digitalWrite(closeGate, LOW);
delay(5000);
}