Inside another bit of expensive oddball test equipment!
Video featuring a more modern, but very similar version : https://www.youtube.com/watch?v=zmYY1vNTCSQ&feature=youtu.be
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https://www.youtube.com/watch?v=4bbbRDyKh4g
Design details of 3D LED cube built with Hirsch & Mann for the Siemens Crystal exhibition in London.
https://www.hirschandmann.com/portfolio/siemens-crystal/
https://www.thecrystal.org/
Music at end :
Hammock Fight by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100213
Artist: http://incompetech.com/
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https://www.youtube.com/watch?v=O_RcTuE9fWc
A look at a new high effificny DIN rail industrial PSU from Puls.
http://www.pulspower.com/index.php?reqNav=product&objectId=204
TEA1716T datasheet : http://www.nxp.com/documents/data_sheet/TEA1716T.pdf
Pusl QS40 video : https://www.youtube.com/watch?v=kU63UiZEQZ8
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https://www.youtube.com/watch?v=kCOLGKQISH0