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.......