Tag: keypad
![Alarm System Powered By Arduino Alarm System Powered By Arduino](https://www.electronics-lab.com/wp-content/uploads/2017/01/alarm-system-powered-by-arduino.jpg)
Alarm System Powered By Arduino
Dejan Nedelkovski had built an Arduino security and alarm system project that uses an ultrasonic sensor for detecting objects and a buzzer for notification. Components needed to build this simple system are: Arduino board, LCD display, 4x4 keypad, ultrasonic sensor and buzzer. The...
Continue Reading![How to interface Keypad 4×4 with Arduino How to interface Keypad 4×4 with Arduino](https://www.electronics-lab.com/wp-content/uploads/2016/08/FS6CWSLIR9EIXGC.MEDIUM.jpg)
How to interface Keypad 4×4 with Arduino
In this tutorial we are going to learn some basics on using Keypad 4x4 on Arduino. by mybotic @ instructables.com This keypad consists of 4 rows x 4 columns of buttons. It is ultra-thin that it provides an useful human interface component for microcontroller projects. Convenient...
Continue Reading![ArdLock – Arduino Door Lock ArdLock – Arduino Door Lock](https://www.electronics-lab.com/wp-content/uploads/2016/01/FJQ5QCBIIXJOOFR.MEDIUM.jpg)
ArdLock – Arduino Door Lock
EswarD2 @ instructables.com has build an Arduino based door lock using Arduino UNO, a keypad and a servo motor. This a door lock built as fun project.It is quite easy to build and a fun way to learn and improve your knowledge of arduino.I tried to add a 16*2 display but there werent...
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