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Simple module for providing a serial port via bluetooth. The module has four connections: power, ground, Tx and Rx. To use the module, simply connect Tx/Rx to the corresponding pins on a microcontroller, and you are ready to send or receive data in 9600bps.
* Dimensions: 38 x 16 x 4mm * Supply voltage: 3.6 – 6V * Logic levels: 3.3V * Serial data: 9600bps, 8N1 * Range: ~10m * Bluetooth version: V2.0+EDR * Connection: 4-pin 2.54mm