AT-09 Bluetooth 4.0 BLE Module Serial Port CC2541 Compatible With HM-10

Description

Introduction:
1.Input Voltage:3.3V/5V
2.Built-In Level Switch Function:
If use 5.0V MCU to make communications with Bluetooth module,5.0V power port supply power, RX TX logic level 5V
If use 3.3V MCU to make communications with Bluetooth module,3.3V power port supply power, RX TX logic level 3.3V
3.RX: Bluetooth module serial receiving port connect with MCU TXD
4.TX: Bluetooth module serial transmitting port connect with MCU RXD
5.GND: ground port power negative 6.3.3V: power port 3.3V power 7.5V: power port 5V power

Package:
1x AT-09 Bluetooth 4.0 BLE Module