Use the emulator settings to map the BT Controller buttons to the emulators
"Bluetooth Controller Arduino"• Play console games anywhere• Control emulators on your TV, Tablet, or Phone• Supports up to 4 players• Use Bluetooth or Wifi to connect your devicesFitur App:-control 4 channel on/off ralay-control All channel ON-control All channel OFF-download file Program Arduino_Bluetooth_Ralay_4ch.ino-download file Tutorial PDF with schemmaticchar val;void setup() {pinMode(relay1,OUTPUT);pinMode(relay2,OUTPUT);pinMode(relay3,OUTPUT);pinMode(relay4,OUTPUT);digitalWrite(relay1,HIGH);digitalWrite(relay2,HIGH);digitalWrite(relay3,HIGH);digitalWrite(relay4,HIGH);mySerial.begin(9600);Serial.begin(9600);• Download new controllers or create your own with BT Controller Editor Basic instructions:1. Open BT Controller on the device that will run the emulator2. Click Start Host3. Follow the directions to enable the BT Controller Keyboard and then activate it4. Open BT Controller on the next device that will be used to control the emulator5. Press connect and then select the Host device6. Open an emulator on the Host device7. Use the emulator settings to map the BT Controller buttons to the emulators buttonsArduino Bluetooth Relay 4CH App is android application which is used to control 4 channel relay module via Bluetooth with Bluetooth serial communication module support HC-05, HC-06, or HC-07, Using Arduino or AVRi am test with arduino UNO and serial commnunication library to connected RX pin 10 and TX pin 11.you can use arduino uno or arduino leonardo etc...