Button Keypad 4x4 module

Button Keypad 4x4 module
Review score
5.0 / 5.0
Item number53927
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Expected delivery date: Thursday 29 October.
Shipped from  € 25 - United States
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€ 5,85
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The module has 16 push buttons. You can make usual keypads for enter numbers, symbols, or navigate and selections in the program. There are pull-up resistors of different values for each button. This makes it possible to connect all the 16 keys to taking only one analog port of the microcontroller. The button consists of two parts: a cap, which can be applied to any character, and a transparent cover which can prevent blurring of the text and add light.


After connecting power to the module and pressing at least one key contact at "OUT" will stress the appropriate level. Conformity stresses the buttons pressed, you can find out how on the board and in the table below (values are valid out when powered from 5v).


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Question and answer



The Netherlands
5 stars
Perfect product, nice principle to make the test information analog. Works well with Arduino. Good switches, but make quite "a lot" of noise. Easy to remove lenses to put printed texts underneath. 1x1 cm. Recommended!
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