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Ultrasonic Fire Alarm Circuit using Air Turbulence Detection

Last Updated on October 3, 2020 by Swagatam 8 Comments

ultrasonic fire circuit min 1

The simple ultrasonic fire alarm circuit I have explained below detects a fire hazard situation by picking up the variations in the surrounding air waves, or the air turbulence. The high sensitivity of the circuit ensures that even the slightest of air turbulence created by a temperature difference or fire is quickly detected and an […]

Filed Under: Security and Alarm Tagged With: Alarm, Detection, Fire, Turbulence, Ultrasonic

GSM Fire SMS Alert Project

Last Updated on December 5, 2024 by Swagatam 16 Comments

P 20160913 144946

In this article I will show how to construct a GSM fire alert circuit system using Arduino and DHT11 sensor, which will alert the user via text message (SMS), regarding a fire hazard within the premise where it is installed. Using DHT11 Sensor We are using DHT11 sensor for sensing unusual temperature rise around the […]

Filed Under: Arduino Projects, Security and Alarm Tagged With: Alert, Fire, GSM, Project, SMS

Grid Transformer Fire Hazard Protector Circuit

Last Updated on January 2, 2024 by Swagatam Leave a Comment

transformerfireproetctioncircuit

In this post I have explained a smart mains fire hazard protector circuit which can be used for preventing mains grid transformers from over heating and causing sparks or even burning due to a possible fire. The idea was requested by Mr. Ravindra Shedge Technical Specifications I am Ravindra Shedge from Mumbai. I am looking […]

Filed Under: Voltage Control and Protection Tagged With: Fire, Grid, Hazard, Protector, Transformer

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