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Bill's user avatar
Bill's user avatar
Bill
  • Member for 12 years
  • Last seen more than 1 year ago
26 votes
5 answers
10k views

How do I solder headers so that they always stand straight up?

20 votes
4 answers
17k views

Why does solder not conduct sometimes?

18 votes
4 answers
13k views

Can you store energy in an inductor and use it later?

13 votes
1 answer
691 views

What are tin whiskers and what causes them?

11 votes
1 answer
13k views

How does autoranging work in a multimeter? What is the circuit?

9 votes
2 answers
6k views

Is there an insulation compound for exposed leads on a PCB?

8 votes
4 answers
9k views

Do Linear regulators have a minimum current to maintain their output voltage?

7 votes
1 answer
5k views

What is the cap for in Arduino reset circuit?

6 votes
4 answers
5k views

Choosing Resonator for AtMega328P design

6 votes
3 answers
1k views

Does an antenna violate the principal of a circuit having a return path?

6 votes
2 answers
1k views

Will this ADC circuit work as intended?

6 votes
2 answers
542 views

Do you think this board can be done in 2-layer or should I go to 4-layer?

5 votes
2 answers
1k views

How do I pick a surface mount LED?

5 votes
2 answers
13k views

How much current does a microSD card use?

5 votes
1 answer
2k views

Do SMD resistors have to be reflowed black side up, or is black side down okay?

4 votes
1 answer
316 views

When I rework an SMD capacitor or resistor, it will sometimes stick to the soldering tip. Does this high temp then destroy it?

4 votes
3 answers
886 views

Single wire USB

3 votes
1 answer
1k views

Accelerometer readings, what is wrong?

3 votes
2 answers
1k views

Why would uart connection only work after disconnecting power?

3 votes
2 answers
1k views

Does Wifi signal strength affect link speed?

3 votes
1 answer
417 views

Need smaller pullups on i2c lines, but design is low power, what is best?

2 votes
2 answers
3k views

SPI signals show overshoot and ringing - does that affect reliability?

2 votes
5 answers
2k views

How do I dead bug solder this SOT-23 to my PCB?

2 votes
1 answer
1k views

Where can I find DMM probe sockets?

2 votes
2 answers
6k views

What is the ON resistance of a BJT like a 2N3904?

2 votes
1 answer
394 views

4-layer board in PCB Editor - do I need custom vias?

2 votes
1 answer
380 views

Can this be reworked with a hot air gun?

2 votes
1 answer
251 views

Is there a limit on the charge that can flow in a wire?

2 votes
4 answers
2k views

If amplitude (say voltage) of a 60Hz sine wave increases, doesn't rise time increase?

2 votes
2 answers
220 views

Should I design with "N" parts or newer parts?