However, if you’re just looking to catch a sandwich thief at work or a cat spilling over all you water bottles, then Make shows you how to build an alarm system with an Arduino and a USB camera.

this is a simple arduino based project whose working revolves around the rtc time module. the buzzer is used to make sound as you interact with the system such as ...

This repository contains the source code and documentation for creating a simple sound alarm system using a sound sensor, Arduino, a speaker with an SD card module, an SD card, and jumper cables. This ...

He’s using an Arduino Uno and an Ethernet breakout board to hook it up to the network. This allows him to send text messages to himself when the alarm system is armed, disarmed, or triggered.

I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system. The relay can be used ...

Here is a simple general-purpose security alarm circuit built on the Arduino platform. It brings up an obtrusive alert signal when an intrusion/theft attempt is observed by its front-end sensor. In ...

A shadow alarm is a device that sounds an alarm when a shadow falls on it. Described here is a simple ... system. A more powerful external alarm can be activated through electro-magnetic relay RL1 ...

Hackers and makers around the world have found the Arduino platform a cheap and simple way to get their ... [IngGaro] built an entire home alarm system with his project Arduino anti-theft alarm ...

Learn how to interface a flame sensor with Arduino to build a simple fire alarm system that detects fire using infrared light and activates an alert through a buzzer and LED. How Does MQ-2 Flammable ...