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“I force people to have coffee with me, just because I don’t trust that a friendship can be maintained without any other senses besides a computer or cellphone screen.”
— John Cusack
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
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