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Button Keypad 3x4 module

Button Keypad 3x4 module
RobotDyn
Review score
5.0 / 5.0
Item number54007
BrandRobotDyn
Model6970622931362
Stock
Delivered in 14 to 30 days
Expected shipping date: Friday 26 June.
Shipped from  € 25 - United States
Sold per piece
€ 4,55
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Description

The module has 12 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 12 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.

Connection:

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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Reviews

The Netherlands
5 stars
Fine, but 1 analog pin needed for 12 keys
Placed on 



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