While designing a fan control into another microcontroller project, I stumpled upon this nice design using only an external diode and capacitor. I used a 1N4148 standard diode and a 560pf capacitor.

http://www.edn.com/design/analog/4326575/Simple-microcontroller-temperature-measurement-uses-only-a-diode-and-a-capacitor

Generated on 2018-05-03 01:14:21.924900