Our Smart Home Using Arduino Uno ... MQ2 gas sensor, the system can detect smoke or gas leaks and immediately sound an alarm via a buzzer. This feature is designed to enhance safety, especially in ...

This project uses an Arduino Uno to build a burglar detection alarm system with a PIR sensor. The system triggers an alarm when motion is detected, signaling with an LED and a piezo buzzer. This code ...

In this project, we are interfacing Mercury switch / Tilt sensor with Arduino UNO. We are controlling a LED and buzzer according to the output of the tilt sensor. Whenever we tilt the sensor the alarm ...

Scrolling Clock - Arduino UNO, RTC, and DHT ... LED Dot Matrix Clock with temperature and humidity display. Let's make this electrifyingly cool clock step-by-step! Materials You'll Need: Arduino Uno: ...

You can use the DHT22 (or AM2302) humidity/temperature sensor and the Arduino UNO board to read data and print it out to ... In the sketch you can see that I use the Adafruit DHT library that is very ...