Est. Budget: $500.00
I am looking for an electrical engineer to build a working prototype that looks similar to the attached picture.
Having trouble keeping your smartphone charged throughout the day? The concept for a tiny cardboard capsule that could juice up your phone. You just choose how much battery time you need—two, four, or six hours—plug it in, then recycle it later.
It's biodegradable design, not only makes the case a little more environmentally friendly, but also saves on ...