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user148298
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29 votes
3 answers
8k views

Can an oscilloscope be used as an EKG?

20 votes
4 answers
90k views

How do I find the voltage range for an unknown DC motor?

19 votes
2 answers
5k views

What is this chip, who makes it and what's it used for?

17 votes
8 answers
23k views

Why isn't the current split between the transistor and the LED in this NOT transistor circuit?

9 votes
6 answers
3k views

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

7 votes
2 answers
856 views

Why are the challenges in using SRAM over DRAM for main memory?

7 votes
5 answers
1k views

What determines the maximum clock rate for a CPU?

7 votes
6 answers
39k views

How does a flame sensor or thermocouple operate with just one wire?

7 votes
4 answers
4k views

How does ground mains work?

7 votes
2 answers
3k views

Is there a good reason to use an SCR based speed controller instead of a TRIAC?

5 votes
2 answers
11k views

Can you use a vfd to run a capacitor start motor?

5 votes
2 answers
2k views

Should I ground an aluminum front panel?

5 votes
2 answers
5k views

Is it a good idea to ground a high voltage DC motor?

4 votes
3 answers
10k views

Does the wattage of a resistor factor into the resistance of a resistor?

3 votes
1 answer
917 views

What is this chip and what is it for?

3 votes
3 answers
2k views

Why doesn't AC motor slow down when connected in parallel to a capacitor?

3 votes
1 answer
3k views

Can I use Formula SP-30 self-cleaning acid paste flux?

3 votes
3 answers
7k views

How can a higher power circuit share the ground with a lower powered circuit?

3 votes
1 answer
70 views

What Interface is my LCD display using?

2 votes
2 answers
3k views

Are some mechanical relays sensitive to their orientation?

2 votes
1 answer
186 views

Resources for learning how TFT works and how to drive it at the glass level?

2 votes
3 answers
44k views

How does the number of poles in an induction motor determine its speed and torque?

2 votes
5 answers
2k views

What makes intel capable of very high clock rates?

2 votes
5 answers
3k views

Trouble applying water pressure analogy to electrical circuits

2 votes
3 answers
633 views

Why do heaters vary widely in resistance even though they have similar power requirements?

2 votes
1 answer
1k views

Matching LCD controllers to LCD compatible panels

2 votes
0 answers
50 views

How do I calculate the current needed to prevent corrosion on a piece of metal?

2 votes
1 answer
1k views

How do I determine whether a sensor is a thermocouple or a thermistor?

2 votes
4 answers
314 views

Can I use my old Sony Camera's Night Shot to detect shorts? [closed]

1 vote
1 answer
182 views

Am I mistaking this component for a 1000F capacitor?