If your backpack's external frame died years ago or if you found a cheap ALICE pack on Craigslist without a frame, you can easily make one with around $3 worth of PVC piping and fittings. The only ...
The project demonstrates how an old AC wall wart was used to create a homemade USB charger for handheld electronics such as Personal Game machine, Digital Camera, or MP3 Player. The project ...
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