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  • Edje
    NL
    2019-05-04 15:07:42

    It's an "optocoupler" relay module operating at 12 Volt. Does this mean that 12 V is galvanic isolated from the arduino, that should control the relays? My first impression was: I am missing a separate ground for the relay control and for the arduino! However, after some study I discovered that you CAN operate the board with galvanic isolated 12 V and the arduino's 5 V. How? Don't use the straps!! So don't connect the 4 middle pins with straps to Ground or to VCC of the relay module, but connect these

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  • Hornet
    ZA
    2019-12-02 06:00:00

    Items arrived. Order a mixture of electronics components, and heavy gear motors - packaging insufficient to protect electronics from heavy motors....

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  • Petya
    HU
    2020-08-07 09:40:29

    Thank you for the goods, I am very satisfied!

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  • Edlinus
    JP
    2020-04-04 09:26:43

    very good

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  • Laidler
    AU
    2018-12-30 21:47:19

    Had a problem where using the car lights (tail,brake,indicators etc) were creating interference on the two camera's on my caravan. This shouldn't have happened but I didn't have the time to chase Ford on why. Fitting a commercially available "lights" module into the car may have fixed this but the power to supply it is fed from the car battery and I wanted to isolate the caravan lights from the car lights. I could have bought and fitted the commercial "lights" module into the caravan but they are

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  • 2019-07-16 08:21:30

    ok

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  • 2019-07-14 13:50:27

    Prodotto di qualità, ben costruito.

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  • andrew
    GR
    2019-05-10 11:33:54

    ok

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  • Maximin
    RE
    2019-03-26 13:28:02

    Good

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  • Bultaco
    ES
    2019-03-19 11:19:24

    Ok. funciona bien.

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