This Altoids tin charger won’t replace a traditional, high-capacity external battery pack, but it is a blast to build, recharges in the sun, and will teach you a thing or two about electronics projects.
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This DIY Altoids Tin Solar Charger Keeps Your Gadgets Juiced Up
This Altoids tin charger won’t replace a traditional, high-capacity external battery pack, but it is a blast to build, recharges in the sun, and will teach you a thing or two about electronics projects.
Full article