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Daffy
  • Member for 7 years, 9 months
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29 votes
6 answers
7k views

How can the contact points of jumper cables handle the hundreds of amps required to start a car?

24 votes
5 answers
10k views

How could have Banksy kept an RF receiver running for 12 years? [closed]

15 votes
4 answers
150k views

How many amps can a car battery supply?

7 votes
3 answers
2k views

Is it theoretically possible to be killed with coin cell batteries?

7 votes
2 answers
2k views

How does an MPPT charge controller control the input voltage?

7 votes
1 answer
1k views

Is it possible to get a high efficiency buck-boost converter by switching between the two?

5 votes
1 answer
154 views

If flash drives have an address mapping lookup table for wear leveling, how does the memory for the lookup table not wear out?

3 votes
1 answer
7k views

What happens if you draw too much current from a 12 volt sealed lead acid battery?

1 vote
3 answers
1k views

Is a diode's forward voltage stable enough to be used as a reference voltage?

1 vote
1 answer
1k views

How should I go about protecting a supercapacitor from reverse polarity?

1 vote
2 answers
329 views

Can a capacitor be briefly charged above its voltage rating?

0 votes
0 answers
131 views

Highish current constant current source design?

0 votes
2 answers
704 views

What's a good discharge current for a LiPo battery without a C rating?