EEVblog #960 - Mystery Merry Mailbag Teardown

A mystery Mailbag teardown item!
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http://www.eevblog.com/forum/blog/eevblog-960-mystery-merry-mailbag-teardown/

HDSP-2000 LED Display Application Note:
http://chronix.pl/download/HDSP2000_Application.pdf

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