Wednesday, July 3, 2013
Alarm Indicator for High Temperature Reading
The circuit has been designed to provide an alarm with the use of a buzzer when sensing high temperature by using a thermistor.Thermistor – one type of resistor used as temperature-sensing element which demonstrates a large change in resistance proportional to a small change in temperature because of the composition of its semiconductor material.BC550 – an NPN general purpose transistor with
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