Fire Alarm Circuit Archives

Fire Alarm circuit using LDR | TDA2003 datasheet

March 17, 2022March 12, 2022 by admin

Fire Alarm Circuit Fire Alarm circuit using LDR: This is a simple fire alarm circuit based on a Light Dependent Resistor (LDR) and lamp pair for sensing the fire. The alarm works by sensing the smoke produced during the fire. The circuit produces an audible alarm when the fire breaks out with smoke. Fire … Read more

Fire Alarm Circuit using NE555 IC & Thermistor a project for school

May 28, 2018 by admin

Fire Alarm Circuit using NE555 IC & Thermistor Fire Alarm Circuit using NE555 IC & Thermistor: The Fire alarm Circuit is as simple and uncomplicated so that, it can be easily implemented for a project for school. The thermistor offers a low resistance at high temperature and high resistance at low temperature. This phenomenon is employed … Read more