Combo Lock

int led_pin = 8;
int switch_pin = 9;
int pot_pin_1 = A1;
int pot_pin_2 = A2;
int pot_pin_3 = A3;
int last_switch_state = LOW;
void setup() {
pinMode(led_pin, OUTPUT);
pinMode(pot_pin_1, INPUT);
pinMode(pot_pin_2, INPUT);
pinMode(pot_pin_3, INPUT);
pinMode(switch_pin, INPUT);
Serial.begin(9600);
}
void loop() {
int pot_one_reading = analogRead(pot_pin_1);
delay(1);
int pot_two_reading = analogRead(pot_pin_2);
delay(1);
int pot_three_reading = analogRead(pot_pin_3);
delay(1);
int switch_reading = digitalRead(switch_pin);
// Potentiomenter position mapped to 0-9 digits
int pot_one_digit = map(pot_one_reading, 0, 1024, 0, 10);
int pot_two_digit = map(pot_two_reading, 0, 1024, 0, 10);
int pot_three_digit = map(pot_three_reading, 0, 1024, 0, 10);
Serial.print("\t");
Serial.print(pot_one_digit);
Serial.print("\t");
Serial.print(pot_two_digit);
Serial.print("\t");
Serial.println(pot_three_digit);
// Evaluate when switch is pressed
if (last_switch_state == LOW && switch_reading != last_switch_state) {
if (pot_one_digit == 3 && pot_two_digit == 6 && pot_three_digit == 9) {
digitalWrite(led_pin, HIGH);
} else {
digitalWrite(led_pin, LOW);
}
}
last_switch_state = switch_reading;
delay(100);
}

Serial Monitor for Output Using Arduino’s Serial Monitor to display current combo digits (because I was too lazy to do it with p5).