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Detail about Bluetooth Module
DuPont presented the new version of the Bluetooth module cable, heat shrinkable tube module on the module ON / OFF / WAKE pin is the enable pin, enabled by default, when externally pulled (not less than VCC 0.5V voltage signal) when closed power modules, high output by an external MCU control module re search, STATE LED status output pin is not connected to the output pulse, connected output high, judged by the MCU state, welcomed the buyers to buy! The module power input with anti reverse feature, power reverse to the back of the circuit will not energize! 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.
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