AT-09 BLE 4.0 Bluetooth Module


Compatible to Andriod and IOS

47 in stock.


Input voltage: 3.3V/5V only needs a set of power supply.  
Built in level conversion function.
If you use MCU 5.0V and Bluetooth module communication, 5.0V power supply port, TX RX logic level5V
If you use MCU 3.3V and Bluetooth module communication, 3.3V power supply port, TX RX logic level 3.3V
RX, Bluetooth module serial receiver and TXD MCU connection.
TX, Bluetooth module serial port and RXD MCU connection.
GND, ground terminal
3.3V, power supply side 3.3V power supply
5V, power supply side 5V power supply

Additional information

Weight 5 g
Dimensions 38 × 16 × 5 mm


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