Designing an analog circuit can be a frustrating experience, as noted by Nick Cornford in his Design Idea (DI), “DIY RTD for a DMM.” With a fortnight’s struggle, I completed the design of 4 mA to 20mA ...
This temperature controller is built around a PIC16F84A microcontroller along with an ADC, and a temperature sensor for measuring temperature and be displayed. An inexpensive 8-bit temperature sensor ...
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