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4x4 Matrix Membrane Keypad 16 Key Module Array Switch | DIYmalls 4x4 Matrix Membrane Keypad 16 Key Keyboard Module Array Switch for Arduino ESP32 Development Board
- 4x4 keypad is widely used in Password security system, Wired remote controlled robot, Electronic voting machine, Generating external interrupt, Musical keypad etc.
- You can use the regular 2.54mm jumper wire male to solder it with the 16 keys matrix keypad., like shown on image.
- 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.
- If you have any problem, please click "DIYmalls"(you can find "Sold by DIYmalls" under Buy Now button), in the new page, click "Ask a question".
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Description:
-The Keypad library allows development board to read a matrix type keypad. 4×4 numeric keypads are widely used in project which requires the user to give command to the system or to feed in some data.
- Keyboard for the pin interface.4X4 design, 10 numeric keys, 4 English keys,2 function keys. There is a switch connecting each row and column. So the combination of rows and columns makes up the 16 inputs.
- Circuit board is PCB double-panel
Package Included :
1 x 16 Keys 4x4 Membrane Matrix Keypad
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- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by PureNest Return Policy
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