Arduino-based security alarm system with keypad PIN entry, LCD display, ultrasonic motion detection, and PIN change functionality. Arduino PIN-Protected Alarm System with Motion Detection An Arduino ...

Arduino clock with icon alarm display on an LCD12864 graphical LCD - ethandicks/iconclock. Arduino clock with icon alarm display on an LCD12864 graphical LCD - ethandicks/iconclock. Skip to content.

We have previously built Smoke Detector Arduino Shield using MQ2 Gas Sensor, which not only sense the smoke in the air but also displays the level of Smoke in the Air in PPM. ... I have connected in ...

X-Sense 10-Year Battery Combination Smoke Carbon Monoxide Alarm Detector with Large LCD Display | - 2-in-1 Protection: The combination smoke and CO detector detects both smoke and carbon monoxide ...

A LCD is interfaced with Arduino to display temperature values and Thermistor is connected as per circuit diagram. The analog pin (A0) is used to check the voltage of thermistor pin at every moment ...

Watch Check Out This DIY Arduino-Powered Metal Detector Robot on Interesting Engineering. Explore the latest in technology!