Fire Alarm circuit using LDR | TDA2003 datasheet

Fire alarm circuit using LDR

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