//piezo
//1 registor
//toch sensor
//ardino
//bread board
int buz = 7, tch = 8;
void setup() {
Serial.begin(9600);
pinMode(buz, OUTPUT);
pinMode(tch, INPUT);
}
void loop() {
int signal = digitalRead(tch);
Serial.println(signal);
if (signal == 1) {
digitalWrite(buz, 1);
delay(200);
} else {
digitalWrite(buz, 0);
}
}