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vir's user avatar
vir's user avatar
vir
  • Member for 3 years, 10 months
  • Last seen this week
65 votes
Accepted

Why does my 120V 40W lightbulb only have 26 ohms across it?

38 votes

Why is there sand or salt in this electrical circuit?

34 votes
Accepted

What is "Arduino Optocoupler Disease"?

24 votes

SMD 0402 resistor flipped on its side

22 votes

Could an uninterruptible power supply for energy intensive appliances balance the power draw and help my breaker stop tripping?

18 votes
Accepted

Is it normal that a 12 V DC motor changes its RPM depending on its orientation?

16 votes
Accepted

What type of plug is this?

16 votes

What does (number * number) mean in a pin symbol within electronics schematic?

15 votes
Accepted

Guess power from board?

15 votes

Color LEDs and voltage: why the discontinuity on blue?

14 votes
Accepted

Can I increase the output capacitance of a DCDC beyond the specified maximum?

12 votes
Accepted

Pull-up and pull-down resistor on one trace

12 votes

Problem with equivalent resistance

11 votes
Accepted

How to read "golden fingers" on drawing?

10 votes
Accepted

What kind of connector is this? Some kind of Molex?

10 votes
Accepted

Power MOSFET boards without capacitors?

10 votes

Voltage in a Short Circuit

10 votes

Are GX ("aviation") connectors unsafe for high voltages?

10 votes
Accepted

Why is the collector very lightly doped in a bipolar junction transistor?

9 votes

1500W wirewound resistor tripping house fuse 20A / 120V

9 votes

Running 15 amps through a 10 amp switch to power a 13 amp circuit?

9 votes

Confused about MW to MWh conversion

9 votes
Accepted

Why do resistors "draw" current?

9 votes

De-soldering Through-Hole Solder

9 votes

Why is op-amp buffer used at input to ADC?

9 votes
Accepted

What do dashed lines mean in the schematic?

9 votes
Accepted

Manufacturer amperage rating for cables VS ampacity chart

8 votes

Making a short range barcode scanner for model railways

8 votes

Gate resistors on the MOSFET

8 votes
Accepted

Why do some laboratories use a multimeter on top of an aluminum plate connected to ground?

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