4x4 matrix keypad

Interfacing 4x4 Membrane Keypad with Arduino 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…

4x4 Matrix Keypad Interfacing with PIC Microcontroller 4x4 Matrix Keypad Interfacing with PIC Microcontroller

Keypads are widely used input devices being used in various electronics and embedded projects. They are used to take inputs in…

Automatic Pet Feeder using Arduino Automatic Pet Feeder using Arduino

Today we are building an Arduino based Automatic Pet Feeder which can automatically serve food to your pet timely. It has a…

Electronic code lock using 8051 Microcontorller 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.…

4x4 Matrix Keypad Interfacing with 8051 Microcontroller 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…