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    DC 5/12/24V 8CH USB Serial Port Relay Module UART RS232 TTL Switch Board CH340

    • Item No : 276356683638
    • Condition : New
    • Brand : Unbranded
    • Seller : sensecore
    • Current Bid : US $3.62

    • * Item Description

    • 3 UART serial port protocol, supports two interfaces, USB_B female interface (CH340 serial port chip), RS232 interface (TTL level). 4: DC 5V/12V/24V (optional). Step up module. Adapter Module. Step down module.
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