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  • $14.98
  • Free 30-day Returns
  • Ships from China.
    Sold by ThermalNest

    Shipped by ThermalNest

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    AJMRTC AT09 BLE 4.0 Bluetooth Serial Port Module, CC2541 Chip Compatible with HM10, UART Transparent Transmission BLE Module for MCU Serial Communication Wireless DIY Embedded Project

    • 1. AT09 BLE 4.0 Bluetooth module built around CC2541 chip, hardware and AT command compatible with HM10 module, easy direct replacement for existing HM10 projects.
    • 2. UART serial port transparent transmission function, realizes wireless bidirectional data communication between microcontroller and mobile phone BLE device.
    • 3. Standard pinout serial port breakout design, simple wiring with STM32, Arduino and other mainstream MCUs for secondary embedded development.
    • 4. BLE 4.0 lowenergy design, low power consumption for batterypowered equipment; supports custom AT commands to modify device name, baud rate and working parameters.
    • 5. Compact size widely used for wireless sensor data upload, bluetooth serial debugging, IoT smallequipment transformation and electronic hobbyist DIY projects.
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    Any questions? Our AI mode will help you find out quickly.

    AJMRTC AT09 BLE 4.0 bluetooth serial module adopts CC2541 chip solution, which is fully compatible with HM10 module in hardware interface and AT instruction set, users can replace HM10 directly without largescale program modification. It implements UART serialport transparent transmission, converting serial data from microcontroller into BLE wireless signal to communicate with mobile phone terminal. The serialport pin is led out, convenient to connect TX/RX signal of Arduino, STM32 and other singlechip microcomputers. Adopting Bluetooth 4.0 BLE lowpower technology, it keeps low power consumption during longtime operation, suitable for batterydriven embedded hardware. Users can configure baud rate, broadcast name, pairing parameters via AT commands. It is very suitable for wireless sensor collection, bluetooth serial debugging, small IoT device development and electronic DIY making. Please match correct serial baud rate for normal data transmission.

    Specifications
    1. Brand: AJMRTC
    2. Module Model: AT09
    3. Core Chip: CC2541
    4. Bluetooth Version: BLE 4.0
    5. Communication Interface: UART Serial Port
    6. Compatibility: Hardware & AT command compatible with HM10
    7. Feature: UART transparent transmission, AT command configurable, lowpower BLE
    8. Application: MCU wireless communication, Sensor data transmission, IoT embedded DIY
    9. Note: Set consistent baud rate between module and host MCU for stable communication


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