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 Whenever the keys are pressed, they ...

In this post, you are going to learn about how to build an RFID and Keypad based door lock using Arduino. To open the door, the user will have to first scan the right tag and then he will have to ...

(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 ...

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 ...

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 ...