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Saturday's treasures scrapyard vlog are increasingly moving to Sunday :) I tried to include a lot of scrap searches, speculations, tests and culinary and technical searches :) At the scrapyard this time I came across a few curiosities made of stainless steel such as threaded rods and screws for fastening profiles for photovoltaics, or more precisely, the so-called double threads, i.e. a wood screw that passes through the metal roofing tile, fastening the aluminum profile to the wooden roof structure. On the aluminum profiles lie photovoltaic panels attached with so-called clamps. A school slide projector from a few decades ago - the times of the Polish People's Republic. An incredibly interesting steel table suitable for building a CNC machine with ball screws, but unfortunately very short and unfortunately the linear bearings are heavily corroded. Profiles with rectangular holes are an element of a storage rack and are ideal for mounting shelves in a garage or basement - transparency in resources is an important issue, otherwise you can forget what you have :) Leaving aside the issues of chickens or Białas, I devote a large part of the material to examining the possibilities of the Green Boost converter with sine - a very interesting device that has a bypass function, i.e. in the event of a voltage loss from the photovoltaic panels, the device automatically switches to the power grid - but how it works - I will try to check because I do not know myself at the time of recording this material. I invite you If anyone is looking for such a device, I found the cheapest here: https://tooles.pl/pl/products/przetwo... #zasilanieawaryjne #prostafotowoltaika #panelenadziałce