Customized relay with ESP32 chips wifi/bluetooth/Ethernet/RS485/Lan W5500/SMA antenna and battery RTC CR2032

    Customized relay with ESP32 chips wifi/bluetooth/Ethernet/RS485/Lan W5500/SMA antenna and battery RTC CR2032
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    POSTED BY
    louis_m
    SELLER
    yueqing Engelec Link https://engelec.en.alibaba.com/?spm=a2700.shop_cp.88.14 https://engelec.en.alibaba.com/?spm=a2700.shop_cp.88.14 Location https://engelec.en.alibaba.com/?spm=a2700.shop_cp.88.14 E-mailinfo@engelec.cn