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Electrical Engineering
Russell McMahon's user avatar
Russell McMahon's user avatar
Russell McMahon's user avatar
Russell McMahon
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  • Member for 13 years, 6 months
  • Last seen this week
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3,259 Answers

Score Activity Newest
225 votes
Accepted

Why was Mini USB deprecated in favor of Micro USB?

165 votes
Accepted

My linear voltage regulator is overheating very fast

129 votes
Accepted

Are tantalum capacitors safe for use in new designs?

114 votes
Accepted

What type of solder is safest for home (hobbyist) use?

103 votes
Accepted

How is using a transformer for isolation safer than directly connecting to the power grid?

82 votes
Accepted

Push-pull/open drain; pull-up/pull-down

78 votes
Accepted

What kind of glue should I use for PCB-mounted components to avoid vibrations?

74 votes
Accepted

What's the purpose of two capacitors in parallel?

72 votes
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Can you make a non-polar electrolytic capacitor out of two regular electrolytic capacitors?

63 votes
Accepted

How should I use a multimeter to determine which AA batteries to keep and which to toss?

60 votes

Why do many laptops run on 19 volts?

54 votes
Accepted

Tinning wires that will be screwed in to a chocolate block/terminal strip

52 votes
Accepted

Can silicone sealant be used to insulate and waterproof electronic components?

49 votes
Accepted

"Overclocking" an AVR

49 votes
Accepted

Is my MOSFET-based bidirectional level shifter insane?

45 votes

Measuring feline capacitance

44 votes
Accepted

How to drive a MOSFET with an optocoupler?

43 votes
Accepted

Should I worry about the risk of tombstoning?

42 votes
Accepted

Ceramic capacitors: how to read 2-digit markings?

42 votes
Accepted

Which configuration is better for pulling down an NPN transistor's base?

40 votes
Accepted

Why are the high voltage overhead power lines with the same potential being isolated?

40 votes

What is the ideal way to handle data pins D+ and D- on a USB power adapter to be compatible with fast charging on devices?

40 votes
Accepted

What is the usage of Zero Ohm & MiliOhm Resistor?

39 votes

Why on earth are o-scopes earth referenced?

39 votes
Accepted

Can the noise of any switching PSU be attenuated if I put linear regulator before the output?

38 votes
Accepted

Could you program a microcontroller without a computer?

37 votes
Accepted

What do I need for a basic RF circuit?

36 votes
Accepted

5 V home network

36 votes

Where do overtones in a 555 generated square wave come from?

36 votes
Accepted

What went wrong with my DIY project?

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