Here is an ultra simple Arduino Night Alarm project wired around a handful of inexpensive and easily available components. One advantage of using Arduino as a security system is the flexibility!

Circuit and design In this project, we’ve designed smart home security system based on Arduino microcontrollers interconnected via I2C to create a robust and scalable solution. Please find the key ...

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 ...

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