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4.97 out of 5
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  • 26/01/2018

    Be careful. The power supply must be stabilized and the negative pole must be well grounded. 2.5 - 5 volts recomended. I burned 5 of them until I realized that my power supply was not grounded correctly. Vey good operation, very fast. It has 4 different modes, which are not explained here. There are 4 contucts that you can short them to select mode. The chip is TTP223B. Very good chip. See spect to understand the operation and the 4 different modes.

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  • 27/11/2020

    Mine had a lot of soldering flux on it, but no problems when using it.

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  • 30/04/2019

    It's of good quality It has been successfully tested You can see the attached video for more details

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  • 23/07/2019

    buon prodotto per costare così poco, dimensioni molto ridotte

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  • 14/04/2019

    Very good product. Really small size which fits very well when you have limited space.

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  • 01/05/2018

    Parfaitement bien me convient enormament. Seul bémol : la couleur... elle est bleu.

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  • 14/08/2017

    llego en buen buen estado y funcionable 100% recomendable. llegó hadta Tuxpan veracruz. República mexicana

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  • 21/03/2021

    just tecd.

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  • 05/03/2019

    bon produit. je recommande

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  • 13/12/2018

    it's good and perfect circuit. fast delivery than I expected.good performance.

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