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Arduino Calculator using 4×4 Keypad

Arduino Calculator using 4×4 Keypad Programming is always fun and Arduino is a wonderful platform if you are just getting started with Embedded programming. In this tutorial we will build our own Arduino calculator . The values can be sent in through a keypad (4×4 keypad) and result can be viewed on a LCD screen (16×2 Dot-matrix). This calculator could perform […]

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