From the category archives:

DIY

DIY Solar Hot Air Panel Construction Guide

by Tim Fulton on December 2, 2013

Testing Bubble Wrap for Insulating Windows

by Tim Fulton on November 26, 2013

DIY Solar Powered Alarm Clock – Modification

by Tim Fulton on November 4, 2013

DIY Solar Powered Alarm Clock – Clock Testing

Post image for DIY Solar Powered Alarm Clock – Clock Testing

by Tim Fulton on October 28, 2013