Circuit Schematic Simple Fire Alarm using Thermistor

Security. - This is electronic Circuit Schematic Simple Fire Alarm using Thermistor like in Figure 1 below. In this circuit schematic the basic component in this circuit is Thermistor as the sensor. 

In here we will give you global description about Circuit Schematic Simple Fire Alarm using Thermistor and then we will give you link to continue your reading from original source as external website.

Circuit Schematic

Figure 1. Circuit Schematic Simple Fire Alarm using Thermistor
(Source: Screenshot of Circuitsgallery)

Component Part

1. Power supply
2. Resistors (1kΩ)
3. Potentiometer (10KΩ)
4. Capacitor (10µF, 16V)
5. BC548 transistor
6. High resistance thermistor (NTC)
7. Diode (1N4001)
8. 6V Buzzer

Description

Circuit schematic like in Figure 1 above is Circuit Schematic Simple Fire Alarm using Thermistor. Circuitsgallery site describe that This fire detection alarm circuit is based on thermistor. What is a thermistor? A thermistor is nothing but a variable resistor whose resistance changes with temperature. Fire detection is simply possible via this low-cost alarm circuit.

A simple potential divider arrangement using thermistor is capable of sensing the temperature (presence of fire) and alerting us with a warning signal. This is suitable for your home security systems. Also school students can do this fire detector circuit as their high school science fair projects. Here I will explain in detail about fire alarm circuit wiring with animation/ simulation of fire alarm..

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