User Decapod

18 votes

why does my voltage regulator produce 5.11 volts instead of 5?

answered Oct 14, 2016 at 3:31

16 votes

Please help me identify this odd-looking component

answered Dec 10, 2017 at 9:32

12 votes

A story behind a weird inductor

answered Nov 9, 2016 at 12:25

9 votes

Accepted

Current through heating element lower than resistance suggests

answered Oct 9, 2016 at 17:49

8 votes

Accepted

what is UC input for a relay?

answered Oct 31, 2016 at 11:12

8 votes

Accepted

Mains transformer wiring

answered Sep 26, 2016 at 15:12

8 votes

Why use an opto-coupler?

answered Oct 30, 2017 at 5:10

6 votes

Accepted

Should Resistor be before or after an LED series

answered Nov 18, 2017 at 9:56

6 votes

What is this canister at the top of a utility pole?

answered Sep 26, 2016 at 14:53

5 votes

Can we use battery in reverse to step down a dc voltage

answered Sep 26, 2016 at 15:43

4 votes

What's the reason for this unusual transmission tower (pylon) design?

answered Sep 26, 2016 at 21:07

4 votes

Can 2N2222A transistor be used to replace a MJ2955 transistor?

answered Nov 13, 2016 at 8:48

4 votes

How to charge a capacitor with an AC supply?

answered Nov 10, 2016 at 10:47

4 votes

Accepted

What kind of connector is populated on this PCB?

answered Jan 27, 2017 at 16:09

4 votes

Why are resistors used in LED strips?

answered Oct 16, 2016 at 8:29

4 votes

Accepted

Can anything be done to shield a record turntable from picking up unwanted radio transmissions?

answered Oct 29, 2016 at 5:40

4 votes

Schrödinger and electrical measurement issue

answered Jun 10, 2017 at 15:19

4 votes

Best Lamp Dimming Circuit?

answered Nov 18, 2017 at 9:38

4 votes

What is causing a white scale buildup at copper pin connection on LED light sticks and how can they be cleaned?

answered Feb 8, 2020 at 15:24

3 votes

Configuration problem with pic16F877A

answered Mar 30, 2017 at 6:38

3 votes

Linear power supply + zero-crossing detection on transformer secondary

answered Jun 29, 2017 at 8:29

3 votes

LED current driver

answered Jul 27, 2017 at 12:33

3 votes

Driving a Delta Load with a Wye

answered Jul 31, 2017 at 18:13

3 votes

Will a LED strip be less bright when I drive my mosfets with 3.3V instead of 5V?

answered Nov 19, 2017 at 18:39

3 votes

What is the difference between electrical engineering and electrical engineering technology?

answered Nov 17, 2016 at 18:04

3 votes

Run 15A 120VAC HeatPress on 15A outlet, limit current to 12A (limiter boxe???)

answered Nov 22, 2016 at 7:45

3 votes

Why does antenna length have to be at wavelength

answered Nov 7, 2016 at 20:11

3 votes

Accelerated Corrosion in Car Batteries

answered Sep 29, 2016 at 14:51

3 votes

Accepted

Why don’t 12v batteries connected in a series get overloaded?

answered Sep 28, 2016 at 10:20

3 votes

Accepted

What does a reverse phase dimmer circuit look like?

answered Oct 10, 2016 at 17:31

Stack Exchange Network

182 Answers

why does my voltage regulator produce 5.11 volts instead of 5?

Please help me identify this odd-looking component

A story behind a weird inductor

Current through heating element lower than resistance suggests

what is UC input for a relay?

Mains transformer wiring

Why use an opto-coupler?

Should Resistor be before or after an LED series

What is this canister at the top of a utility pole?

Can we use battery in reverse to step down a dc voltage

What's the reason for this unusual transmission tower (pylon) design?

Can 2N2222A transistor be used to replace a MJ2955 transistor?

How to charge a capacitor with an AC supply?

What kind of connector is populated on this PCB?

Why are resistors used in LED strips?

Can anything be done to shield a record turntable from picking up unwanted radio transmissions?

Schrödinger and electrical measurement issue

Best Lamp Dimming Circuit?

What is causing a white scale buildup at copper pin connection on LED light sticks and how can they be cleaned?

Configuration problem with pic16F877A

Linear power supply + zero-crossing detection on transformer secondary

LED current driver

Driving a Delta Load with a Wye

Will a LED strip be less bright when I drive my mosfets with 3.3V instead of 5V?

What is the difference between electrical engineering and electrical engineering technology?

Run 15A 120VAC HeatPress on 15A outlet, limit current to 12A (limiter boxe???)

Why does antenna length have to be at wavelength

Accelerated Corrosion in Car Batteries

Why don’t 12v batteries connected in a series get overloaded?

What does a reverse phase dimmer circuit look like?