View single post by Dr. Heinz Doofenshmirtz
Posted: Dec 18th, 2014 06:10 AM
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Dr. Heinz Doofenshmirtz
Joined:
Nov 17th, 2013
Location:
Liberty
,
Missouri
USA
Posts:
300
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photo-diode wont work...... tunnel diode? Jan......They come in germanium!