Features:&sp;- bluetooth 4.0 module Serial port extraction bluetooth BLE CC2540 CC2541- The bluetooth module has a baplane, and the HM-10 module is used on this module.- 5V power suly or 3.3V power suly. The serial port level is the same as the power suly voltage.- Built-in level shifting function.&sp;Specifications:&sp;- Input voltage: 3.3V/5V- If a 5.0V MCU is used to communicate with the bluetooth module, the 5.0V power port is powered, and the RX TX logic level is 5V.- If a 3.3V MCU is used to communicate with the bluetooth module, the 3.3V power port is powered, and the RX TX logic level is 3.3V.&sp;Pin:&sp;RX, the serial port receiving end of the bluetooth module is connected to the TXD of the MCU.TX, the serial port sender of the bluetooth module is connected to the RXD of the MCU.GND, ground terminal negative3.3V, 3.3V power suly at the power suly5V, power suly 5V power suly&sp;Paage Incleded:
1 x AT-09 4.0 BLE Wireless bluetooth Module
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