Do you have stacks of old computer equipment gathering dust ? Now you
can put some
of it to use! This guide shows you how to use PC fans as mini
wind generators for recharging solar lights and ni-cads.
This is a solar tracker that I built using some small calculator solar
panels, an old hard drive and a few relays. There are some silicone
diodes in the motor controller, but other than that it's free of
complicated electronics.
This is a small DIY system intended for backup lighting and chraging of
small device such as phones/laptops etc.
The total rated power is 26W of solar, the inverter is built to handle
150W of power. Read more
My fist functional solar tracker, tracks the sun in one axis using a
windscreen wiper motor. It's in need of a little perfection as it really
picky about the sensor adjustment.