Solar charger for Phones – USB Battery
I know there are plenty of USB chargers out there for you to build. But here’s one that doesn’t use a voltage regulator or an IC chip to power it. …
Read MoreI know there are plenty of USB chargers out there for you to build. But here’s one that doesn’t use a voltage regulator or an IC chip to power it. …
Read MoreNow you can charge your Mobile Phone from the USB outlet of PC This simple circuit can give regulated 4.7 volts for charging a mobile phone. USB outlet can give …
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