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29 votes

How to ramp up a factory consuming a lot of energy?

answered Jun 18, 2023 at 0:02

15 votes

How can I wire a 9-position switch so that each position turns on one more LED than the one before?

answered Apr 23, 2019 at 22:51

9 votes

Batteries. Why use 9V?

answered Aug 10, 2017 at 20:38

9 votes

Why do microwave ovens, with metal walls, not blow up?

answered Oct 4, 2014 at 17:11

7 votes

Making an electronic chess board

answered Dec 10, 2015 at 19:09

4 votes

Is this true: "At over 700 Hz, current simply flows over your body"?

answered May 18, 2015 at 23:46

4 votes

How do computers prevent computational errors?

answered May 5 at 20:44

3 votes

High impedance loudspeakers

answered Sep 13, 2015 at 19:21

3 votes

How to make a dummy load of 1000W - 2000W?

answered Nov 3, 2015 at 20:30

2 votes

A "fuse" that blows upon liquid exposure instead of overcurrent?

answered Jun 7, 2015 at 13:21

2 votes

Trouble applying water pressure analogy to electrical circuits

answered Jun 13, 2015 at 14:18

1 vote

How can I make a linearly tunable 50% duty astable multivibrator?

answered Dec 19, 2015 at 12:36

1 vote

Mains Voltage on Strip Board

answered Apr 14, 2015 at 13:08

0 votes

How to find I-V characteristics of motor?

answered Feb 16, 2015 at 13:08

-1 votes

Are all electrical sockets of my house in the same phase?

answered May 13, 2017 at 0:56

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