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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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