An artificial neural network-based temperature measurement system using a thermistor in astable multivibrator circuit

摘要

This paper presents a novel, cheap, and unique adaptation technique of a PC-based temperature measurement system. This adaptation revolves around a 555 timer, made to operate in an astable multivibrator configuration. The negative temperature coefficient thermistor is used in this mode, which acts as a timing resistor of the astable multivibrator using the 555 timer. The 'HIGH' and 'LOW' level durations from the multivibrator output are taken for consideration, and these values are used to determine the temperature by the appropriate training of artificial neural network.