Electrical Engineering
Simon Fitch's user avatar
Simon Fitch's user avatar
Simon Fitch's user avatar
Simon Fitch
  • Member for 2 years, 1 month
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793 Answers

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69 votes
Accepted

Why are there three pins in this relay diagram?

40 votes
Accepted

H-Bridge blows the fuses in my house

39 votes

Why are kiloohm resistors more used in op-amp circuits?

29 votes
Accepted

How many capacitors can make a battery?

24 votes
Accepted

What is the purpose of an electrolytic capacitor in this small electronics project?

23 votes

Oscilloscope low side connection

22 votes

Has anyone measured what a high-impedance pin looks like?

22 votes
Accepted

Why is there a voltage difference between these two grounds?

21 votes
Accepted

Can trying to draw too much current from alkaline batteries damage them?

20 votes
Accepted

Voltage selector design problem

20 votes
Accepted

Instrumentation Amplifier with a gain of 1 doesn't output a different signal

20 votes

MOSFET overheating in Arduino heating pad project

19 votes

With this AND gate made of transistors, why does the LED need a resistor in parallel instead of in series?

17 votes

Are there integrated logic gates "AND with one inverted input"?

17 votes

Will this mains disconnect circuit work?

16 votes

2N2222 burning out in the lab at 22 V

15 votes
Accepted

Does a resistor between two pairs of series resistors affect the equivalent resistance?

15 votes
Accepted

Need help understanding schematics in LT1019 datasheet

14 votes

Why don't LEDs have built-in resistors?

13 votes
Accepted

Non-inverting op-amp

13 votes
Accepted

What are pull-up resistors for and how are their values calculated?

12 votes
Accepted

Inverting op-amp problem

12 votes
Accepted

Will the net current drawn by a microcontroller equal the current supplied by it

11 votes

Why are these capacitors treated as if they are in series? Why must the incoming and outgoing current in a battery always be equal?

11 votes
Accepted

Why can't I get rid of shoot-through in my half-bridge circuit?

11 votes

Overvoltage protection circuit transistor draws 2x load current then suddenly stablizes

11 votes

Is it misleading to say a common emitter amplifier is “out-of-phase”?

11 votes
Accepted

Output voltage level of TTL gate

11 votes

Control two LEDs with only one PIC output

10 votes
Accepted

How can I connect multiple potentiometers (~20) to my Arduino without having to have 20 analogue pins?

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