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tgun926
  • Member for 8 years, 9 months
  • Last seen more than a month ago
121 votes
7 answers
240k views

Why does micro USB 2.0 have 5 pins, when the A-type only has 4?

  • 5,123
50 votes
7 answers
188k views

230V AC to 5V DC converter, lossless

  • 1,572
47 votes
20 answers
91k views

What is a good microcontroller for Ethernet applications?

  • 3,212
41 votes
7 answers
82k views

What do I need for a basic RF circuit?

31 votes
4 answers
20k views

How do I determine the area of copper needed on a PCB to provide adequate heatsinking for a power SMD MOSFET?

  • 347
28 votes
4 answers
20k views

Why do smaller loads require larger inductors in buck regulators?

  • 7,639
26 votes
6 answers
15k views

Frequency dependence of electrolytic capacitors

  • 27.8k
21 votes
7 answers
40k views

Why are batteries measured in ampere-hours but electricity usage measured in kilowatt-hours?

  • 2,669
20 votes
3 answers
66k views

How to design an RC snubber for a solenoid relay driving an inductive load?

  • 747
18 votes
4 answers
62k views

How does the tester screwdriver work?

  • 283
14 votes
12 answers
38k views

Avoiding DC voltage drop over long distances

  • 375
12 votes
4 answers
23k views

Wireless Home Automation 2.4GHz versus 433MHz [closed]

11 votes
3 answers
18k views

BJT Driving an LED - Above or Below?

  • 1,643
9 votes
7 answers
19k views

Measuring 0 - 1MHz ( 0.25Hz resolution) Squarewave using an MCU

  • 847
8 votes
8 answers
14k views

Sending I2C reliabily over Cat5 cables

  • 2,813
7 votes
2 answers
935 views

PCB Panelization tool/SW and adding test connections

  • 3,235
6 votes
7 answers
2k views

How to drive 128 LEDs

  • 335
6 votes
2 answers
42k views

How to calculate thickness of cable based on material and current?

5 votes
4 answers
18k views

How to calculate a current being drawn by a full wave rectifier diode bridge?

  • 2,643
4 votes
2 answers
2k views

How does a ps2 mouse send data to a computer? [closed]

3 votes
2 answers
2k views

Best way to hand solder pads with castelations to wires

  • 238
3 votes
3 answers
4k views

Will this zero-cross detection circuit work?

  • 747
2 votes
2 answers
5k views

How do electrical engineers actually apply control theory in real life?

  • 1,485
0 votes
2 answers
1k views

How to Mount Power Supply to PCB

  • 1,111
0 votes
2 answers
2k views

DC - DC Amplifier for Piezo Buzzer