keypad
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What’s Inside a 4x4 Membrane Keypad and How to Interface it with an Arduino?
A 4x4 membrane keypad is a compact and a cost-effective input device that is commonly used… |
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Digital Keypad Security Door Lock using Arduino
Often times, we need to secure a room at our home or office (perhaps a secret dexter’s laboratory) so that no one can access… |
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Digital Code Lock using 8051 Microcontroller
Security is a major concern in our day to day life, and digital locks have become an important part of these security systems.… |
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Keypad Interfacing with Arduino Uno
In this tutorial we are going to interface a 4x4 (16 key) keypad with ARDUINO UNO. We all know keypad is one of the most… |
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4x4 Matrix Keypad Interfacing with 8051 Microcontroller
Keypads are widely used input devices being used in various electronics and embedded projects. They are used to take inputs in… |
