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Building a Laser Alarm Circuit for Security

Last updated on 29 May 2025 by Admin-Lavi Leave a Comment

Do wish to be the hero of your own house security system? This article will explain how to construct an easy laser alarm circuit that can be used by an actual spy. Compared to expensive store bought alarms it is less expensive and a fun project to make oneself to secure its belongings. What is […]

Filed Under: Alarm Circuits

Simple Rain Detector Alarm Circuit

Last updated on 29 May 2025 by Admin-Lavi Leave a Comment

Do anyone wish to avoid a sudden downpour from wetting its clothes? This article can teach something. This article will show how to build a simple rain detector alarm circuit. In order to warn when to bring umbrellas or other outside objects inside this circuit uses a sensor to detect rainfall and then sounds an […]

Filed Under: Alarm Circuits, Sensors and Detectors

Automatic Street Light Circuit using LDR

Last updated on 29 May 2025 by Admin-Lavi Leave a Comment

This article teaches us how to use an LDR and relay to construct an automatic street light circuit. Due to the need of energy conservation many places are using LED street lights that activate on their own! In order to save energy these lights use a light sensor known as an LDR to detect darkness. […]

Filed Under: LDR Circuits, LED and Lamps

Adjustable Timer Circuit using 555 IC with Buzzer

Last updated on 8 April 2025 by Admin-Lavi Leave a Comment

In this article, I will show you how to create a timer circuit that can be adjusted with a buzzer using the IC 555. To me a timer is like a miniature clock designed for electronics. These timers have the ability to switch things on and off at predetermined times. We come across them in […]

Filed Under: Timer Circuits

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