security systems - search results

Maintaining security in restricted areas is quite difficult if we go for long-range solutions (in metres) since security systems with PIR-based motion have a...

The electronic eye security systems available in the market are expensive, and programming is very difficult for a microcontroller based system. Here is a...

This article demonstrates real-time training, detection and recognition of a human face with OpenCV using the Eigenface algorithm. Let us construct this OpenCV Face Recognition...

Read Part 3 Image pre-processing and identification of certain shaped objects in the image is explained here using Image Deblurring and Hough Transform. Image deblurring removes distortion...

In this list, we present a collection of exciting 555 Timer Projects that harness the power of the 555 Timers to create a diverse...

Presented here is a smart notification system for a door sensor, motion detector, fire alarm and doorbell using Raspberry Pi (RPi) and Pushover app....

In remote-control operated systems, security is always a concern. The system must be designed to prevent unauthorised access. Special software and encryption are used...

To secure our assets and protect our privacy, there is a strong demand for user-friendly biometric security systems. There are various types of biometric...

This circuit is based on a passive infrared (PIR) sensor, which automatically switches on a device when someone comes close to it. It can...

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