How to pair bluetooth HC05 (AT Mode)

Commands using to pair bluetooth HC-05

• AT+INIT - Initialize the SPP Profile library by typing
• AT+INQ - Show available bluetooth address nearing
• AT+LINK - Pair with the target bluetotth

Example:

1. The scanned address is 112:3CB8:19234K => AT+LINK=112,3CB8,19234K
2. Note:  HC-05 is easily fail at UART pin, if the led is still on and also the scan function then it still can send and receive

- May be RX or TX pinout is broken