Skip to main content
3871968's user avatar
3871968's user avatar
3871968's user avatar
3871968
  • Member for 9 years, 11 months
  • Last seen more than 7 years ago
27 votes
3 answers
2k views

What is this unusual LCD controller technology?

9 votes
6 answers
2k views

LEDs inside of solar-powered calculators

8 votes
3 answers
4k views

What does the "D/V" marking on small DC motors mean?

8 votes
3 answers
707 views

Reason for 1/2 watt resistors marked as 2 watt resistors

3 votes
1 answer
1k views

Turn a circuit on and off when a capacitor reaches a certain voltage

2 votes
1 answer
3k views

How to use a salvaged brushless motor

2 votes
1 answer
506 views

What is the purpose of this transistor in an Apple Time Capsule?

2 votes
1 answer
1k views

Metal sleeve around cassette player motors?

2 votes
2 answers
3k views

Is it possible and safe to charge a NiMH battery with this circuit?

1 vote
1 answer
118 views

Is it possible to damage a VFD by raising the anode voltage?

1 vote
1 answer
417 views

How to avoid damaging vacuum tubes and gas-filled tubes during soldering?

1 vote
2 answers
704 views

Most efficient way to generate 3-4 volts from less than 0.5 to 1.5 volts

0 votes
3 answers
6k views

Braking a small, high-speed DC motor

-1 votes
1 answer
961 views

Best Electronics To Salvage Electromechanical Parts From [closed]