Sensor --> Arduino Uni
Gnd --> Gnd
5 volt --> 5 volt
DO --> Pin 2
Relay
Gnd --> Gnd
5 volt --> 5 volt
Input --> Pin 9
Kontrol Lampu dengan Suara Tepukan Tangan
// Kontrol Lampu Sensor Suara dengan Arduino Uno
// Clap Light Switch
// Serhii Bazavluk | March 2021
// YouTube: https://www.youtube.com/electricalpro
int mic = 2; // microphone module
int indicLED = 13; // indication pin
int lightPin = 9; // relay (lights control)
bool lightState = true;
bool ignoreInt = false;
bool ClapDetected = false;
uint32_t ClapDetetedTime [3] {};
void setup() {
Serial.begin(115200);
pinMode(indicLED, OUTPUT);
pinMode(lightPin, OUTPUT);
digitalWrite(lightPin, lightState);
attachInterrupt(digitalPinToInterrupt(mic), ISR_ClapDetected, FALLING);
}
void loop() {
delay(2);
if(millis() - ClapDetetedTime[2] >= 800)
{
digitalWrite(indicLED, LOW);
}
if(millis() - ClapDetetedTime[2] < 800 && millis() - ClapDetetedTime[1] < 800 && ClapDetected && ClapDetetedTime[1] - ClapDetetedTime[0]>=800)
{
Serial.println("double clap detected");
digitalWrite(indicLED, LOW);
Serial.print("Setting light to ");
Serial.println(String(!lightState));
digitalWrite(lightPin, lightState);
lightState=!lightState;
ClapDetected = false;
}
}
void ISR_ClapDetected()
{
if(millis() - ClapDetetedTime[2] > 200){ // debounce
for (int i = 0; i != 2; i++) {
ClapDetetedTime[i] = ClapDetetedTime[i + 1];
}
ClapDetetedTime[2] = millis();
ClapDetected = true;
Serial.println("clap detected");
digitalWrite(indicLED, HIGH);
}
}
