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    AJMRTC CP2102 USB 2.0 to TTL Serial Converter Module, USB to UART TTL Download Adapter, 5V / 3.3V Selectable Power, Debug Program Upload Module for Arduino, MCU, ESP32, STM32

    • - Built with Silicon Labs CP2102 chip, stable USB 2.0 to UART TTL serial conversion
    • - Selectable 3.3V or 5V output voltage to match different microcontroller logic levels
    • - Standard TX, RX, RTS, DTR signal pins for firmware download and serial debugging
    • - Compact PCB design with pin header, easy wiring for embedded project development
    • - Plug and play, supports baud rate up to 921600bps for MCU upload and log monitoring
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    Overview
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    Any questions? Ask CelesteSM will help you find out quickly.

    AJMRTC CP2102 USB to TTL serial module converts USB signal into UART TTL serial signal for embedded debugging and firmware flashing. It features jumper selection for 3.3V or 5V power supply, compatible with STM32, ESP8266, ESP32, Arduino and other MCUs. It is widely used for program downloading, serial log output and device maintenance. Drivers are required for some legacy Windows systems.


    Specifications:

    1. Brand: AJMRTC
    2. Chip: CP2102
    3. Input Interface: USB 2.0 Type-B
    4. Output: TTL UART (TX, RX, RTS, DTR, VCC, GND)
    5. Logic Voltage: 3.3V / 5V switchable
    6. Max Baud Rate: 921600 bps
    7. System Support: Windows, macOS, Linux
    8. Application: STM32, ESP32, ESP8266, Arduino, MCU Debug & Download
    9. Package: 1 x CP2102 USB-TTL Module
    10. Note: Driver installation required for older Windows versions


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