Instructables has a step-by-step for building your very own altoids tin usb charger (dubbed the mintyboost).. Sure you could go buy a usb charger off the shelf, but what fun would that be? try making one yourself with a little help from a 9v battery and a few extra components.. Just us$1.28 + free shipping, buy portable diy mobile power case usb 18650 diy battery charger for phone mp3 online shopping at gearbest.com..
Wonderhowto null byte make a diy battery-powered usb charger diy arduino battery tester reveals the secret capacity of disposable batteries. Diy advanced usb device charger - free download as pdf file (.pdf), text file (.txt) or read online for free.. I used a single-cell usb bank to charge a single cell at a time. i also have a 4-cell usb bank which i would not use to charge less cells than 4, as there.
0 komentar:
Posting Komentar