3 Review(s)

Fire alarm is device that gives indication of alarming sound with Light when fire took place near that deviceIn the circuit, an audio BUZZER is working as fire alarm.Fully assembled & working model of Fire alarm systemIncludes circuit, abstract & hard copy of project reportBest for educational purposes. Labeled circuit chart for easy understanding Ideal for school physics science projects and science fairsFire Alarm is a fully assembled fire detector & alarm working science model. This model is designed on Yellow paper with neat labeling. This model includes a fire sensor called as Thermistor, which is connected to a Transistor. When temperature rises, the fire sensor allows current to flow through the base of Transistor which turns on the buzzer. At higher temperatures, i.e., under fire conditions, buzzer will start alarming and under normal conditions, the alarm remains switched off. This model is an excellent teaching kit on basics of electronics and sparks student's interest in various applications of electronics in human life.