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How to make Powerful voltage Ball


Circuit:


Android App click..... 




//Programming:


int relay1 = 8;

int relay2 = 9;

int relay3 = 10;

int relay4 = 11;

char val;




void setup() {

Serial.begin(115200);

  Serial.begin(9600);

  pinMode(relay1, OUTPUT);

  pinMode(relay2, OUTPUT);

  pinMode(relay3, OUTPUT);

  pinMode(relay4, OUTPUT);

  

}


void loop() {

 while (Serial.available() > 0) {

    val = Serial.read();

    Serial.println(val);

  }

  //Relay is on

  if ( val == '1' ) {

    digitalWrite(relay1, HIGH);

  }

  else if ( val == '2' ) {

    digitalWrite(relay2, HIGH);

  }

  else if ( val == '3' ) {

    digitalWrite(relay3, HIGH);

  }

  else if ( val == '4' ) {

    digitalWrite(relay4, HIGH);

  }

  //relay all on

  else if ( val == '9' ) {

    digitalWrite(relay1, HIGH);

    digitalWrite(relay2, HIGH);

    digitalWrite(relay3, HIGH);

    digitalWrite(relay4, HIGH);

  }

  //relay is off

  else if ( val == 'A' ) {

    digitalWrite(relay1, LOW);

  }

  else if ( val == 'B' ) {

    digitalWrite(relay2, LOW);

  }

  else if ( val == 'C' ) {

    digitalWrite(relay3, LOW);

  }

  else if ( val == 'D' ) {

    digitalWrite(relay4, LOW);

  }

  //relay all off

  else if ( val == 'I' ) {

    digitalWrite(relay1, LOW);

    digitalWrite(relay2, LOW);

    digitalWrite(relay3, LOW);

    digitalWrite(relay4, LOW);

  }


  else if ( val == 'G' );

}



Demo Video on click....... 

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