User Chris H - Electrical Engineering Stack Exchange

29 votes

Accepted

Standard way for novice to prevent small round plug from rolling away while soldering wires to it

answered Oct 6, 2016 at 15:50

21 votes

Why are electrically insulating heatsinks so rare? Is it just cost?

answered Apr 4, 2019 at 15:53

19 votes

I need to energize a 25 watt incandescent bulb. When that bulb burns out another 25 watt incandescent bulb will energize

answered Oct 31, 2023 at 13:10

15 votes

Why is the bitrate of infrared smaller than the bitrate of WiFi?

answered Apr 2, 2023 at 10:52

11 votes

Why don't we have a circular USB port?

answered Oct 23, 2020 at 11:54

9 votes

Voltage regulator vs. voltage reference

answered Mar 8, 2016 at 10:15

8 votes

Why is it so expensive to produce cameras for non visible light?

answered Sep 8, 2014 at 13:10

8 votes

How to check (with DIY methods) if an Inverter returns a Square or a Sine Wave?

answered Jul 11, 2018 at 14:48

8 votes

Environmentally sustainable electronics

answered May 18, 2021 at 15:28

7 votes

How should I use a multimeter to determine which AA batteries to keep and which to toss?

answered Aug 20, 2014 at 15:56

7 votes

Looking for circuit board material that can be dissolved

answered Sep 24, 2019 at 10:17

6 votes

How can I see if my oscillator works without using an oscilloscope?

answered Apr 14, 2021 at 15:37

5 votes

Why sample at a certain frequency just to immediately downsample it?

answered Feb 27, 2018 at 9:51

5 votes

Why don't we use GaN transistors everywhere?

answered Jun 6, 2016 at 8:10

4 votes

Can I use a resistor to slow down a DC motor?

answered Mar 17, 2017 at 8:33

4 votes

Why aren't Stepper motors used in closed-loop systems and PID control?

answered Apr 16, 2018 at 8:14

4 votes

Could an uninterruptible power supply for energy intensive appliances balance the power draw and help my breaker stop tripping?

answered May 4, 2021 at 10:57

4 votes

Heating a very short piece of NiCr wire (0.005 ohms)

answered Jan 17, 2022 at 17:39

4 votes

What is a lime green LED used for?

answered Feb 27, 2022 at 9:39

3 votes

Is it possible to control the frequency of light?

answered Mar 4, 2022 at 13:47

3 votes

How to select LEDs for use as colour selective photodiodes?

answered Mar 19, 2021 at 15:14

3 votes

What is the purpose of a "monitor diode" inside a laser diode case?

answered Jun 8, 2022 at 9:30

3 votes

Powering and dimming a few hundred light bulbs

answered Jun 16, 2022 at 11:20

3 votes

Grayscale using LED

answered Sep 22, 2022 at 14:12

3 votes

Is it important to file a new soldering iron tip before tinning?

answered Jul 24, 2017 at 8:03

3 votes

Can an LED run by harvesting energy from mains hum?

answered Dec 10, 2019 at 16:11

3 votes

Solutions for holding oscilloscope probes (and freeing up hands)

answered Dec 20, 2016 at 16:23

3 votes

What type of photo sensor/light combo best for detecting a falling drop of water?

answered Oct 23, 2015 at 16:00

2 votes

Visible Light Communication LED Turnoff Time Problem

answered Mar 29, 2016 at 15:55

2 votes

Isn't my ground different from the factory's ground?

answered Jun 1, 2017 at 10:45

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65 Answers

Standard way for novice to prevent small round plug from rolling away while soldering wires to it

Why are electrically insulating heatsinks so rare? Is it just cost?

I need to energize a 25 watt incandescent bulb. When that bulb burns out another 25 watt incandescent bulb will energize

Why is the bitrate of infrared smaller than the bitrate of WiFi?

Why don't we have a circular USB port?

Voltage regulator vs. voltage reference

Why is it so expensive to produce cameras for non visible light?

How to check (with DIY methods) if an Inverter returns a Square or a Sine Wave?

Environmentally sustainable electronics

How should I use a multimeter to determine which AA batteries to keep and which to toss?

Looking for circuit board material that can be dissolved

How can I see if my oscillator works without using an oscilloscope?

Why sample at a certain frequency just to immediately downsample it?

Why don't we use GaN transistors everywhere?

Can I use a resistor to slow down a DC motor?

Why aren't Stepper motors used in closed-loop systems and PID control?

Could an uninterruptible power supply for energy intensive appliances balance the power draw and help my breaker stop tripping?

Heating a very short piece of NiCr wire (0.005 ohms)

What is a lime green LED used for?

Is it possible to control the frequency of light?

How to select LEDs for use as colour selective photodiodes?

What is the purpose of a "monitor diode" inside a laser diode case?

Powering and dimming a few hundred light bulbs

Grayscale using LED

Is it important to file a new soldering iron tip before tinning?

Can an LED run by harvesting energy from mains hum?

Solutions for holding oscilloscope probes (and freeing up hands)

What type of photo sensor/light combo best for detecting a falling drop of water?

Visible Light Communication LED Turnoff Time Problem

Isn't my ground different from the factory's ground?