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This project demonstrates how to use Matrix 4x4 Keypad input from user. Keypad has 16 keys, whenever a key is pressed its counter increment by 1 and keypress with counter value is then displayed on 16x2 LCD. Keypad Hold feature is added in algorithm, which will increment counter speedily, when pressing a key for more than 2 seconds.
Features
- 4x4 Matrix Keypad Library (Can be ported Easily for any other Micro)
- 16x2 LCD Generic Library (More Functions added, Optimized for Speed)
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