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LM317 Fan Speed Controller

LM317 Fan Speed Controller PUBLIC

Here is a simple speed controller for a soldering fan. Input is around 12 V DC from a solar-charged gel cell, output is an old PC fan, 12 V DC, .30 A

by pgbowers | updated July 16, 2013

lm317   solar   speed-control  

Zener Based Solar Engine

Zener Based Solar Engine PUBLIC

by jb55956 | updated April 25, 2013

beam   diode   engine   robotics   solar   zener  

FLED Solar Engine

FLED Solar Engine PUBLIC

by jb55956 | updated April 25, 2013

beam   engine   fled   robotics   solar  

9V-18V Solar Powered Fan

9V-18V Solar Powered Fan PUBLIC

The solar panels keep the battery pack charged while the motor can run with the solar panels charging.

by licari | updated December 06, 2012

battery   fan   solar  

9V USB PHONE CHARGER (w/optional solar panel)

9V USB PHONE CHARGER (w/optional solar panel) PUBLIC

by nsteffine | updated November 03, 2012

9v   altoid   charger   panel   phone   solar   usb  

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