Archives for August, 2017

Posted in Grunf`s corner

Posted in Grunf`s corner

Battery pack with car charger

Battery pack changes from version I This article is the continuation of the first one about diy power bank. After many field

Posted in DIY

Posted in Grunf`s corner

Posted in Grunf`s corner

Posted in Grunf`s corner

Posted in Grunf`s corner

Posted in Grunf`s corner

Posted in Grunf`s corner

Some space dedicated to one of the worlds biggest inventors, the one, and only Otto fon Grunf and his friends.

Posted in Grunf`s corner