This shield will add bluetooth connectivity to your Arduino project , it's based on the popular HC-05 module and can work in master or slave modes .
Main feaures :
- Based on the popular HC-05 module .
- Master or Slave role compatible .
- Tx and Rx pin can be connected to any Arduino's board's digital pins via jumpers .
- 3.3 V regulator embedded on the board .
- UART mode ,Bluetooth connection status and power LED indicators .
- UART mode can be selected via slide switch .
Circuit description :