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Introduction to Solar Chargers

Introduction to Solar Chargers

Jeff over at Voltaic recently posted the first part of a five part tutorial on how solar chargers work. In this first tutorial, you’ll learn how to measure Open Circuit Voltage and Short Circuit Current. You’ll then move on to learn about measuring total power output, how to store power, how charge circuits protect the battery, and how to use stored power to charger a device. This is the perfect introduction to solar chargers for anyone interested in adding solar to their project.

Top 10: Stupid Plastic Tricks

Top 10: Stupid Plastic Tricks

We have hundreds of posts in the archives with the keyword “plastic” in the title, but many of them are about particular objects made from plastic, rather than general methods for working with plastics. So I went through and cherry-picked ten of what I considered to be the more inventive and unusual methods-based “plastics” posts. The photos aren’t sexy, but if you’re interested in weird things you can do with plastic, at home, this is the post for you. And some of these methods will probably turn out to be not so “stupid,” after all