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Screaming Alarm Circuit using IC 555

Last Updated on November 17, 2024 by Admin Leave a Comment

Screaming Siren

If you looking for a screaming alarm circuit that would produce a high pitched ear piercing kind of alarm sound, then probably this design will be just suitable for your […]

Filed Under: Security and Alarm Circuit Tagged With: 555, Alarm, Screaming

Fridge Alarm Circuit

Last Updated on November 17, 2024 by Admin Leave a Comment

fridge alert

The simple fridge alarm circuit will alert the user in case the fridge malfunctions with its specified temperature cycle specifications. The use of fridge in homes has become a de […]

Filed Under: Security and Alarm Circuit Tagged With: Alarm, Fridge

Ultrasonic Alarm Circuit

Last Updated on November 17, 2024 by Admin Leave a Comment

snic sensor circuit

This post talks about an excellent ultrasonic alarm circuit that could be efficiently established for detecting sound pressures over the natural human hearing capability, which could cover from 20 kHz […]

Filed Under: Security and Alarm Circuit Tagged With: Alarm, Ultrasonic

Car Engine Overheating Alarm Circuit

Last Updated on January 10, 2018 by Admin 6 Comments

car

To develop an overheating alarm for cars is simple and it doesn’t take much effort. Furthermore, this is one effective way to detect if your car engine is getting over-heated. […]

Filed Under: Car and Motorcycle Projects Tagged With: Alarm, Car, Engine, Overheating

Simple Solar Plant Watering Alarm Circuit

Last Updated on November 17, 2024 by Admin 2 Comments

solar water alarm

In this post we learn a simple solar water plant watering alarm circuit which is powered from a small solar cell and provides a buzzer alarm sound whenever the soil […]

Filed Under: Solar Controller Circuits, Security and Alarm Circuit Tagged With: Alarm, Plant, Simple, Solar, Watering

High Temperature Fire Alarm Circuit Using Transistors

Last Updated on November 17, 2024 by Admin Leave a Comment

fire alarm

The post narrates the making of a simple high temperature fire alarm circuit using transistors only, and not with conventional heat sensors. Though we don’t pay much heed to fire […]

Filed Under: Security and Alarm Circuit Tagged With: Alarm, Fire, High, Temperature, Transistors

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