L likith20 New Member Feb 21, 2013 #1 how does a fire alarm using thermister and ic 555 works with out fire
MikeMl Well-Known Member Most Helpful Member Feb 21, 2013 #3 That isn't a fire alarm; it is an over-temperature alarm. Big difference. A proper fire alarm detects the products of combustion and/or smoke, not just a temperature rise.
That isn't a fire alarm; it is an over-temperature alarm. Big difference. A proper fire alarm detects the products of combustion and/or smoke, not just a temperature rise.