12+ Fire Alarm Circuit Using Lm358. Circuit diagram of the relay version of the alarm is also given. 1.lm358 ic 2.potentiometer (10k) 3.thermister (10k) 4.resistor(33k) 5.led.
Simple Fire Alarm Circuit using thermistor & LM358 from circuits-diy.com
Circuit diagram simple fire alarm system. This dark sensor ic lm358 circuit is used to test a light dependent resistor, a photo diode and a photo transistor. Circuit diagram of fire alarm using lm741.
But, you need to change a photo diode and the following circuit is a shock alarm circuit which is used from home to automobiles.
12+ Fire Alarm Circuit Using Lm358. The key component in the circuit is dr25 (germanium diode) whose resistance will decrease with increase in temperature. A simple circuit that shows automatic night light using lm358. Www.utsource.net/ is a online platform for electronic technicians, makers, enthusiasts, kids to find electronic components. It does the same thing as fig.
