Category Archives: Circuits and Electronics

Fan Controller

May 17, 2012

This is a fan controller I worked on, based on the Temperature Controlled Fan I found online. In this version, R1 is a 10K NTC thermistor (shown in schematic at 20C, which is 12.5k).  Adjust R2 for the turn on … Continue reading →

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Neat little water detection circuit

July 13, 2011

While in college I lived in an apartment building that the basement always flooded.  Sometimes the sump would take care of it, other times not so much.  Since I’m a nice guy I was constantly checking the basement during wet … Continue reading →

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