Customer Reviews

4.92 out of 5
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  • September-26 2018 10:56:40

    Disse ser bra ut. Gleder meg til og bruke dem.

    Comments
  • August-26 2017 08:29:07

    Clavier 12 touches pour montages Arduino ou autre. Les 5 à 3 € ! A avoir dans ses tiroirs

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  • March-01 2016 06:33:16

    very affordable, tracking number provided. what you see what you get. good packaging. I will buy more!

    Comments
  • August-10 2020 10:05:05

    Nice, easy to user keypad for arduino project. Is perfect for small project where you want to add a numeric keypad. I am looking at using one for a new intercom system I am building as a project.

    Comments
  • October-02 2020 14:28:21

    Fast and good. Thanks

    Comments
  • September-30 2020 04:08:37

    bien reçu, rapidement et conforme a la commande

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  • May-22 2020 17:18:44

    Works very well good quality.

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  • January-17 2020 04:05:36

    thanks

    Comments
  • January-11 2020 03:40:48

    Egyszerűbb feladatokra hibátlanul használható.

    Comments
  • December-29 2017 22:58:02

    If you are unfamiliar with how these work, each row is connected to one pin, and each column is connected to another pin. That means for this 3x4 keypad, there are 7 pins. When you press a button it connects the row pin to the column pin. Pins 1 - 4 are the row pins. Pins 5 - 7 are the column pins. 1,5 - "1" 1,6 - "2" 1,7 - "3" 2,5 - "4" 2,6 - "5" 2,7 - "6" 3,5 - "7" 3,6 - "8" 3,7 - "9" 4,5 - "*" 4,6 - "0" 4,7 - "#"

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