Bluetooth 2 Relays Control Pro 1.0

Here is an Android Bluetooth Remote Control Project for 2 Relays or Devices utilizing the 89c2051 Micro-controller and HC-05 Bluetooth Module.

You can access the circuit diagram and hex file at: Bluetooth Device Control

Application Instructions:

1. Ensure that your HC-05 Bluetooth Module is paired with your mobile device. The default password for pairing is "1234" or "0000". Refer to the Bluetooth module manual for details.
2. Pressing the ON button for Device 1 transmits the data "A" to the connected Bluetooth Module. The connected Microcontroller activates the Device 1 relay upon detecting "A".
3. Pressing the OFF button for Device 1 sends the data "a" to the Bluetooth Module. The Microcontroller deactivates the Device 1 relay upon detecting "a".
4. Pressing the ON button for Device 2 sends the data "B" to the Bluetooth Module. The Microcontroller activates the Device 2 relay upon detecting "B".
5. Pressing the OFF button for Device 2 sends the data "b" to the Bluetooth Module. The Microcontroller deactivates the Device 2 relay upon detecting "b".