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Electrical Engineering
Leon Heller's user avatar
Leon Heller's user avatar
Leon Heller's user avatar
Leon Heller
  • Member for 14 years, 8 months
  • Last seen more than 1 year ago
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About

I am 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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79
Relay vs. Transistor?
Feb 13, 2011
79
What kind of components are black blobs on a PCB?
Jan 17, 2011
77
Are solder fumes bad for me?
Mar 15, 2010
50
Why are there 3 pins on some batteries?
Mar 7, 2012
35
What are good microcontrollers available today?
Dec 22, 2009
34
What measures should I take to protect the USB ports of my PC during development of a USB device?
Dec 22, 2013
30
What is this squiggly trace for?
Aug 26, 2010
26
What's the difference between a potentiometer and a rheostat?
Mar 4, 2011
23
How to carry high current on PCB
Sep 1, 2011
20
What is the XMOS series?
Dec 17, 2010