4pcs AT-09 Bluetooth 4.0 Transceiver BLE Module Serial Port CC2541 HM-10 MLT-BT05

4pcs AT-09 Bluetooth 4.0 Transceiver BLE Module Serial Port CC2541 HM-10 MLT-BT05

4pcs AT-09 Bluetooth 4.0 Transceiver BLE Module Serial Port CC2541 HM-10 MLT-BT05

Input Voltage:3.3V/5V 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 RX:bluetooth module serial receiving port connect with MCU TXD TX:bluetooth module serial transmitting port connect with MCU RXD GND:ground port power negative 3.3V:power port 3.3V power 5V:power port 5V power Package Included: 4 * AT-09 Bluetooth 4.0 Transceiver BLE Module

Key Features

• ✅ The AT-09 is a module that contains a BLE chip (CC2541).
• ✅ This small size Bluetooth 4.0 TTL transceiver module allows your target device communicate with for iPhone/iPAD, IOS 6 or Android 4.3 above devices.
• ✅ This module allows to perform serial communication with the BLE chip thanks to an Rx and a Tx pin.
• ✅ When the Bluetooth connection is not established, the baud rate, name, and pairing password can be set by the AT command. After the setting, the parameter is saved after power-off, and the Bluetooth connection automatically switches to the transparent transmission mode.
• ✅ The module is also very similar to the HM-10 module and is also compatible with it so if you have some experience with the latter, you will get started quickly with the AT-09.

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