Stack Exchange

Spehro Pefhany

Toronto, Canada

https://www.buymeacoffee.com/speff

Leading Advanced-Technology Electronic Product Development and Global Production. Interested in working with established companies as well as funded startups worldwide.

I am fueled by coffee. If you found anything that I have created useful, interesting or whatever, feel free to buy me a coffee. Or not, it's fine either way, but ALWAYS appreciated.

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Top Questions
Top Answers
95
Why are copper cables round?
electronics.stackexchange.com

92
What is the purpose of tiny "bumps" on LED legs?
electronics.stackexchange.com

84
Why are knobs called "pots" by some sound designers?
english.stackexchange.com

77
What exactly fries the chip when you invert power supply?
electronics.stackexchange.com

76
Why do some tactile switches have 4 terminals?
electronics.stackexchange.com

73
If I am measuring 2.3 V on a 1.5 V AA battery from Duracell, is my multimeter broken?
electronics.stackexchange.com

59
How can black travellers deal with unwanted harassment from locals in China?
travel.stackexchange.com

58
Why is root mean square used when calculating average power, and not simply the average of voltage/current?
electronics.stackexchange.com

56
Why use two transistors driving LEDs when one would work?
electronics.stackexchange.com

53
Why do consumer ovens use thermostats instead of PID + PWM?
electronics.stackexchange.com

53
Building a phone charger 500 years ago
worldbuilding.stackexchange.com

52
I was born in a city which is now under control of a different country. What is my "country of birth" on US visa/ESTA applications?
travel.stackexchange.com

51
When should I include information in my resume to indicate I have a high IQ?
workplace.stackexchange.com

48
What does the word "most" mean?
english.stackexchange.com

48
Why do some diodes have a glass package?
electronics.stackexchange.com

48
3.3M resistors not registering on multimeter - are they faulty?
electronics.stackexchange.com

45
How to make electronic systems which work below −40°C (−40°F)?
electronics.stackexchange.com

44
Should I just not bother to "reserve" rental cars anymore?
travel.stackexchange.com

44
What does "no clean" solder actually mean?
electronics.stackexchange.com

43
What advantages do the absolute encoders gain by employing Gray code transmission instead of binary code?
electronics.stackexchange.com

42
When did men start to lose their "virginity"?
english.stackexchange.com

41
What kind of tape is used to hold together electronics during shipping?
electronics.stackexchange.com

41
Are LEDs better than we think?
electronics.stackexchange.com

40
How does a Crystal work?
electronics.stackexchange.com

39
I was told my signature was ripped out of my passport. Should I be worried?
travel.stackexchange.com

38
What is this unusual NPN-PNP transistor pair?
electronics.stackexchange.com

38
Why does inverter synchronization with the grid take 5 minutes?
electronics.stackexchange.com

38
Why did they use ultrafast diodes in a 50 or 60 Hz bridge?
electronics.stackexchange.com

37
How does Windows know it's on battery power?
electronics.stackexchange.com

37
Explain in layman's terms Vgs and Vgs(th) of MOSFET's
electronics.stackexchange.com

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