#define btn1 2
#define btn2 4
#define btn3 5
#define LED1 11
#define LED2 12
#define LED3 13
#define restart 7
bool lock = false;
void setup() {
pinMode(btn1, INPUT);
pinMode(btn2, INPUT);
pinMode(btn3, INPUT);
pinMode(LED1, OUTPUT);
pinMode(LED2, OUTPUT);
pinMode(LED3, OUTPUT);
pinMode(restart, INPUT);
}
void loop() {
if(lock == false){
if(digitalRead (btn1) == HIGH){
digitalWrite(LED1, HIGH);
lock = true;
}
else if(digitalRead (btn2) == HIGH){
digitalWrite(LED2, HIGH);
lock = true;
}
else if(digitalRead (btn3) == HIGH){
digitalWrite(LED3, HIGH);
lock = true;
}
}
else{
if(digitalRead (restart) == HIGH){
lock = false;
digitalWrite(LED1, LOW);
digitalWrite(LED2, LOW);
digitalWrite(LED3, LOW);
delay(200);
}
}
}