AT 09 Bluetooth 4.0 UART Transceiver Module CC2541 Compatible with HM 10

AT 09 Bluetooth 4.0 UART Transceiver Module CC2541 Compatible with HM 10

The AT-09 Bluetooth 4.0 UART Transceiver Module is a compact, low-power BLE (Bluetooth Low Energy) module based on the TI CC2541 chipset. It provides a transparent serial communication interface over Bluetooth, making it ideal for connecting microcontrollers like Arduino, ESP32, STM32, or Raspberry Pi to smartphones, tablets, or PCs that support BLE.

Fully compatible with the popular HM-10 module, the AT-09 can be easily controlled via AT commands through UART, allowing configuration of device name, baud rate, advertising interval, and more. It’s widely used in IoT applications, wireless data transmission, and BLE beacon projects.

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Key Features

• Based on TI CC2541 Bluetooth Low Energy chipset.
• Fully compatible with HM-10 BLE modules (uses the same AT command set).
• Supports Bluetooth 4.0 BLE communication standard.
• UART serial communication interface (3.3V logic).
• Supports transparent data transmission between devices.
• Configurable parameters via AT commands (baud rate, name, password, role).
• Supports Master and Slave modes.
• Compact size and low power consumption.
• Compatible with Android (4.3+) and iOS (7.0+) devices.

Applications:

• Industrial remote control, remote sensing.
• POS system, Bluetooth keyboard, mouse, game controllers.
• Automobile testing equipment.
• Portable, the battery power of medical equipment.
• Automated data collection.
• Bluetooth remote control toy.
• The wireless LED display system.
• Bluetooth printer.
• Intelligent household, industrial control.

Specifications:-