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  • RadovanVIP4
    SK
    02/05/2018

    high quality relay I use it to turn on and off my 3d printer using Octoprint on a OrangePi zero. works flawless even with 5v GPIO output.....

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  • naivenxVIP1
    TR
    27/11/2017

    They are great quality for the price. Test them with uno board and they work nicely.

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