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    1 Channel Relay Module SMS GSM Remote Control Switch SIM800C STM32F103CBT6

    • Item No : 194961922141
    • Condition : New
    • Brand : Unbranded
    • Seller : cayin35
    • Current Bid : US $20.70

    • * Item Description

    • Relay On command: CMON, after successful setup, the device will reply SMS is: ON Set OK! For example, send the SMS: CMON. Relay status will be saved. Relay Off command: CMOF, after successful setup, the device will reply, SMS Content is: OFF Set OK!
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