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4x4 keypad module pinout, configuration, features, circuit & datasheet
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![4x4 Keypad Module Pinout, Configuration, Features, Circuit & Datasheet](https://i2.wp.com/components101.com/sites/default/files/inline-images/4x4-Keypad-Buttons.png)
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![4x4_schematic.png](https://i2.wp.com/www.tegacayanimalhospital.com/images/postings/4x4_schematic.png)
4x4_schematic.png
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![4x4 Keypad](https://i2.wp.com/www.talkingelectronics.com/EM/4x4 Keypad/images/4x4KeypadOverlay.gif)
![4X4 Matrix Keypad Module - Wiki](https://i2.wp.com/wiki.sunfounder.cc/images/f/f9/Keypad_schematic.png)
![4x4 Matrix Keypad Circuit Diagram](https://i2.wp.com/www.circuitstoday.com/wp-content/uploads/2013/03/hex-keypad.png)
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![4 4 Matrix Keypad Circuit Diagram](https://i2.wp.com/learn.parallax.com/sites/default/files/content/propeller-c-tutorials/simple-devices/MatrixKeypad/4x4-Keypad-Schematic.png)
![4x4 Keypad Circuit Diagram](https://i2.wp.com/mechatrofice.com/wp-content/uploads/2020/10/keypad-lcd-Arduino.png)