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The Solar Power Expert Blog

Testing the Solar Charge Controller Schematic

Friday, October 21st, 2011

I was finally able to find some time to test my step down converter prototype. The results showed an efficiency of 71%. That’s not bad for a first prototype! Below, I’ll show all the test data, schematics, pictures, and some of the ideas I’ve come up with for improving the design.

Manufacturability of the New Free Charge Controller Design

Sunday, September 11th, 2011

My proposal for the DIY Dual Voltage Converter design for the Free Charge Controller project generated some good feedback. This post is a copy of the one of the replies and focuses on the manufacturability of the two designs and some of the different aspects of the two designs.

A DIY Dual Voltage Converter – Turning The Solar Charge Controller Circuit On Its Head

Tuesday, September 6th, 2011

There has been some discussion lately on the Free Charge Controller mailing list about the future direction of the project. The main points of the discussion have centered around how to incorporate the Arduino into the project and how to get hardware into the hands of interested members.