Author Archives: admin

Updated LM317 fan controller

May 29, 2012
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6 Months of Music – Borderline Express

May 24, 2012

I’m super stoked to announce Borderline Express coming to the New Sharon Congregational Church UCC on June 16th!  Tickets are only $10 and are available in the usual locals: Douin’s Market and Everyday Music.  Come cross the line with Borderline!

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12v Fan Controller v1.2

May 23, 2012
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New 12v Fan Controller

May 18, 2012

This is my latest fan controller, based off a LM317 regulator.  It can be adjusted from fan turn on at 64F and max speed at 131F up to turn on at 104F and max speed at 167F.

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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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