Description
Pin | Name | Function |
1 | Key | The pin state determines whether the module works in AT command mode or normal mode [High=AT commands receiving mode(Commands response mode), Low or NC= Bluetooth module normally working] |
2 | Vcc | +5V Positive supply needs to be given to this pin for powering the module |
3 | Gnd | Connect to ground |
4 | TXD | Serial data is transmitted by module through this pin (at 9600bps by default), 3.3V logic |
5 | RXD | Serial data is received by module through this pin (at 9600bps by default),3.3V logic |
6 | State | The pin is connected to the LED on the board to represent the state of the module |
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