Electrical Engineering
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Leon Heller
  • Member for 12 years, 7 months
  • Last seen more than a month ago
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About

I am semi-retired, with a degree in experimental psychology. In my working career, I divided my time between engineering psychology and embedded systems design.

I am a licensed radio amateur (G1HSM).

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All Questions Answers
Score Newest
answer
77
Relay vs. Transistor?
Feb 13, 2011
answer
75
What kind of components are black blobs on a PCB?
Jan 17, 2011
answer
72
Are solder fumes bad for me?
Mar 15, 2010
answer
48
Why are there 3 pins on some batteries?
Mar 7, 2012
answer
35
What are good microcontrollers available today?
Dec 22, 2009
answer
34
What measures should I take to protect the USB ports of my PC during development of a USB device?
Dec 22, 2013
answer
30
What is this squiggly trace for?
Aug 26, 2010
answer
24
What's the difference between a potentiometer and a rheostat?
Mar 4, 2011
answer
22
How to carry high current on PCB
Sep 1, 2011
answer
20
Why does LTSpice say that my "Matrix is singular" for this ideal-transformer circuit?
Oct 12, 2011

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