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can any one tell me how to measure pt 100 resistance using atmega32 . i measured resistance by using th circuit https://obrazki.elektroda.pl/7415419300_1356333074.png but it jumps temperature from 27 to 30 ,30 to 33 please help me to make my first project success
when connecting the peltier element the voltage drops to zero,i think it is because of the limited current at the output . Any idea to increase the current i used the h bridge circuit for the enough current ?