AT-09 Arduino Bluetooth Module CC2540 CC2541 HM-10

Description

The AT-09 Arduino bluetooth module that contains a BLE chip (CC2540/CC2541). This module perform serial communication with the Rx and a Tx pins.
Features include;

• Uses MCU 5.0V power supply port for TX RX logic level 5V.
• Uses MCU 3.3V power supply port for TX RX logic level 3.3V.
• RX, Bluetooth module serial receiver and TXD MCU connection.
• TX, Bluetooth module serial port and RXD MCU connection.