16 Keys Matrix Keypad 4 X 4 Membrane Keyboard Module Array Switch
- The Keypad library allows your uno to read a matrix type keypad. 4×4 numeric keypads are most widely used in numerous mini project which requires the user or the operator to give command to the system or to feed in some data.
- You don’t need the outer two pins on the left and right for wiring. It’s the inner 8 pins that matter.
- If you solder on a header, we highly recommend laying down some flux on the pads first, inserting the header pins, then soldering
- The standard Keypad library for Arduino works out of the box with this particular device.
- If you have any problem, please contact seller as follow: click “DIYmalls”(you can find “Sold by DIYmalls” under Buy Now button), in the new page, click “Ask a question”.
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