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  5. AJMRTC

  6. Item#: 9SIC9FFM8V1390

  • $16.98
  • Free 30-day Returns
  • Limit 99999 per customer.
    Ships from China.

    Shipped by ‌ConnectFlow USA

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    ‌ConnectFlow USA
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    AJMRTC USB2.0 Type-A to TTL Converter UART Serial Programmer Module with CH340G CH340 Chip, 3.3V & 5V Switchable Level Adapter, Serial Download Debug Tool Replacement for PL-2303 for STC Microcontroll

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    • 1. Built-in CH340G CH340 chip, works as USB to TTL UART serial converter for microcontroller download and debugging
    • 2. Switchable 3.3V / 5V output level to match different MCU modules such as STC single-chip microcomputers
    • 3. USB2.0 Type-A interface, simple plug-and-play design for serial communication and firmware programming
    • 4. Direct replacement for PL-2303 serial adapter, widely used for electronic DIY and embedded development projects
    • 5. Compact module layout with clear pinout, easy wiring for serial monitoring, firmware flashing and hardware testing
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    AJMRTC USB2.0 Type-A to TTL UART serial converter module adopts CH340G CH340 chip for USB to serial communication conversion. It supports switchable 3.3V and 5V power levels to fit STC and other microcontrollers. This serial programmer can serve as a substitute for PL-2303 adapter. It is commonly used for firmware download, serial debugging and data transmission in embedded electronics. Small size and easy wiring make it ideal for electronic experiment, MCU development and DIY circuit testing.


    Specifications
    1. Brand: AJMRTC
    2. Chipset: CH340G / CH340
    3. Input: USB2.0 Type-A
    4. Output: TTL UART Serial
    5. Voltage: Switchable 3.3V / 5V
    6. Function: Serial Programmer, Debug Adapter
    7. Compatible MCU: STC and other microcontrollers
    8. Replacement: PL-2303 Serial Adapter
    9. Application: Embedded Development, Electronic DIY Experiment


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    Warranty, Returns, And Additional Information

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    • Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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