【AT-09】The Bluetooth module is used as HM-10 module. 5V power supply or 3.3V power supply. Serial port supply voltage and the same level of built-in level conversion. 【Compatible】This small Bluetooth 4.0 TTL transceiver module allows the target device to communicate with older iPhone/iPAD, IOS 6 or Android 4.3 devices. 【Simple Operation】It is easy to use and fully encapsulated. You can set it as slave or master. You can use the AT command to set the baud rate. 【Simple Operation】RX - Bluetooth Module Serial Port Receiver and MCU TXD. 【Simple Operation】TX - Bluetooth Module Serial Port Transmitter and MCU RXD.
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