This is a homemade DC power supply, made out of some new parts and some reclaimed used parts. This is a good learning project for kids, it will introduce them to the basics of electronic circuit assembly.br br Also see: - Please visit my web site at ; Also see: -   br GO Foods Long term storable foods with a 25 Year Shelf Life !br Save for future times of need, emergency preparedness, save up for uncertain times and easy to share with friends and loved ones.