This is a type of low energy data transmission Bluetooth module and it follows the Bluetooth specification BLE V4.2. Combining the advantages of compact size, extra low power consumption, strong anti-interference and long communication distance, it is very suitable for short range wireless communication in Things of Internet. The module integrates PCB antenna on board.
It can be used to communicate with other Bluetooth devices such as iPhone system. Through AT commands, the user can modify the baud rate, master-slave role, device name, pass word and other parameters.
Features:
- Support for WeChat transparent transmission (support AirSync protocol)
- Support iBeacon mode
- Bluetooth protocol: Bluetooth Specification V4.2 BLE, compatible with BLE V4.0 V4.1
- Can communicate with CC2541 BLE 4.0
- Communication port: UART(default) or I2C
- IO Port Package: Both SMD and Inline package are available, and the SMD pin pitch is 1.5mm, the 5PIN hole pitch is 2.54mm.
- 4 Programmable digital output pins
- 4 Programmable PWM output pins
- Serial port baud rate: 9600 (default), can be modified to other values ​by AT command
- Serial communication format: 8N1
- Antenna Type: Built-in PCB antenna is available.
- Operating Frequency: 2.4GHz ISM band
- Transfer rate: Asynchronous: 8 kbps
- Power consumption: automatic sleep mode, standby current 100uA ~ 1.5mA, transmission 10mA.
- Function: Master and slave in one
- Operating voltage: 1.8-3.3VDC
- Applications:Bluetooth car handsfree, bluetooth wireless data transmission, wireless keyboard and mouse, smart home.