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  • QUOY25
    2019-06-21 10:54:16

    very smart and low cost keypad , used to build an I2C arduino keypad ( used with mini oled display)

  • Névo16
    2019-03-05 11:10:18

    je recommande ce produit

  • TEX800
    2020-02-05 06:23:34

    Très petit et attention aux soudures des boutons, les pattes ne sont pas coupées et dépassent des pcb, elles sont très pointues !

  • Coops
    2018-12-17 11:18:44

    These boards look good and the keys have a nice positive click to them. The only improvement I would suggest is that solder pads are made available on both sides of the board for the SIL connector. Whilst the matrix works perfectly, it is awkward to solder a SIL connector so that this can be used on a breadboard. I would still be happy to purchase them again - even in their current format.

  • 2015-12-09 12:01:36

    I couldn't beat the price. Tested one with an Arduino Uno and it was easy to program and worked fine. I wish the connection came out of the bottom rather than the top, but I could probably unsolder it and re-solder it where I want. Haven't tried that yet. I use these mainly to use in props. When used with an Arduino, you can program each button to do whatever you want. Nice item at a great price

  • 2015-02-14 06:54:10

    Very clear presses, looks like high quality buttons. Used as library and then the next program for 3 keyboards, showing the result on a 16 x 2 lcd display, only showing the parts for the keypad use in the program: #include const byte ROWS = 4; //four rows const byte COLS = 4; //four columns //define the cymbols on the buttons of the keypads char hexaKeys[ROWS][COLS] = { {'0','1','2','3'}, {'4','5','6','7'}, {'8','9','A','B'}, {'C','D','E','F'} }; byte

  • 2015-04-15 08:27:35

    отличная вещь + быстрая доставка рекомендую продавца ещё бы разъём на другую сторону или не запаянный тогда совсем здорово

  • 2018-06-19 06:33:55

    I didn't solder it in yet but the quality of the material looks good and everything as promised

  • Vapula
    2017-09-13 04:01:32

    Unlike the membrane counterpart, this keyboard is really sturdy, perfect for prototyping (or to use in a classroom).

  • 2016-09-20 13:33:43

    Llego en muy buenas condiciones. muy bien empaquetado en bolsa anti estatica y en general esta muy bien echo


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