From the category archives:

Solar Power

DIY Solar Powered Alarm Clock – Modification

by Tim Fulton on November 4, 2013

DIY Solar Powered Alarm Clock – Clock Testing

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by Tim Fulton on October 28, 2013

Solar Powered Swing Set

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by Tim Fulton on September 30, 2013

DIY Solar Powered Alarm Clock – Clock Selection

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by Tim Fulton on December 31, 2012