A simple project to unlock the door using 4*4 keypad and Arduino. User will input the password,if it matches the door will be unlocked. Otherwise it will not unlock - aaneloy/Door-unlock-using-Arduino ...

This project is a password-based door lock system implemented using Arduino Uno microcontroller. The system utilizes a 4x3 keypad, a 10k potentiometer, a 16x2 i2c LCD display, a servo motor, a 5V ...

(keypad: columns and rows switching) So now you can see how the button presses can be translated into electrical data for use with a microcontroller. We can now start the real experiment with as ...

The ELK Junior Arduino Uno case is equipped with a number of excellent features that include a custom moulded section for the LCD JEMshield++ together with a keypad, backlight, beeper, 2 relays ...

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 calculator with Arduino. The values can ...