AT-09 Android IOS BLE 4.0 Bluetooth modul arduino CC2540 CC2541 soros vezeték nélküli modulhoz kompatibilis HM-10
AT-09 Android IOS BLE 4.0 Bluetooth module for arduino CC2540 CC2541 Serial Wireless Module compatible HM-10
AT-09 BLE Bluetooth 4.0 Uart Transceiver Module CC2541 Central Switching compatible HM-10
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 level 5V 
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
 
 
 
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