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

    • Item No : 176609233930
    • Condition : New
    • Brand : Markenlos
    • Seller : modulefans
    • Current Bid : US $1.67

    • * Item Description

    • 3 UART serial port protocol, supports two interfaces, USB_B female interface (CH340 serial port chip), RS232 interface (TTL level). 6Two kinds of commands: AT command and 8-byte command, the two commands are automatically recognized without switching.
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