Details:
Bluetooth transparent transmission module allows you to get rid of the original equipment using serial cables tied to within 10 meters of wireless serial communication. Use the module without understanding the underlying complexity of the Bluetooth protocol, as long as a few simple steps you can enjoy the convenience of wireless communication. Bluetooth transparent transmission module AT commands only four, namely, test communications, change the name, change the baud rate, change the pairing password, AT instructions must from TXD, RXD signal pin set and can not be set through the Bluetooth channel. Send AT commands can be of various types of equipment MCU (such as 51, avr, pic, msp430, arm, etc.), it can be a computer via serial port (PC MAX232 serial connection or USB to serial later) sent.
Special Note:
1, the host module and slave modules can not switch operating mode, only a single operating mode (master or slave)
2, the host module can only be paired HC06 slave module, the host can not be paired connection between the module, the module does not talk to the host computer or mobile phone with Bluetooth and other Bluetooth devices paired
3, the slave module can talk to a computer with Bluetooth or partially paired with a Bluetooth enabled phone, the slave modules can not be connected, or USB to serial host module and Bluetooth combo module eliminates the trouble of pairing.
4, the host module AT command less than a slave module AT + NAME instructions, other instructions in the same
5, the host module and slave module interface are 3.3V level, can be connected directly with a variety of TTL level serial port MCU (5V for MCU please series 1K resistor) connected directly, set the parameters you can use MCU, or increase the MAX232 conversion after the computer serial port circuit.
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