Communities

Writing
Writing
Codidact Meta
Codidact Meta
The Great Outdoors
The Great Outdoors
Photography & Video
Photography & Video
Scientific Speculation
Scientific Speculation
Cooking
Cooking
Electrical Engineering
Electrical Engineering
Judaism
Judaism
Languages & Linguistics
Languages & Linguistics
Software Development
Software Development
Mathematics
Mathematics
Christianity
Christianity
Code Golf
Code Golf
Music
Music
Physics
Physics
Linux Systems
Linux Systems
Power Users
Power Users
Tabletop RPGs
Tabletop RPGs
Community Proposals
Community Proposals
tag:snake search within a tag
answers:0 unanswered questions
user:xxxx search by author id
score:0.5 posts with 0.5+ score
"snake oil" exact phrase
votes:4 posts with 4+ votes
created:<1w created < 1 week ago
post_type:xxxx type of post
Search help
Notifications
Mark all as read See all your notifications »

Search

Advanced Search Options

To further refine your search, you can use additional qualifiers such as score:>0.5. For example, the search score:>=0.5 created:<1y grammar would return only posts mentioning "grammar" that have a score >= 0.5 and were created less than a year ago.

Further help with searching is available in the help center.

Quick hints: tag:tagname, user:xxx, "exact phrase", post_type:xxx, created:<N{d,w,mo,y}, score:>=0.5

Filters
1.3k posts
 
71%
+3 −0
Meta What residential wiring questions are on-topic here?

Thanks for asking. In my view, if it's something you'd first think of asking an electrician, it's probably off topic here. That includes what type of cable to use, whether it should be in a condu...

posted 1y ago by Olin Lathrop‭

Answer
71%
+3 −0
Q&A What is Ground Electrode in EMG?

*Learning about EMG as a part of our research. My team has at least some experience with electronics that is worth mentioning, but don't have any experience with EMG/bio-potentials. Most EMG hardwa...

2 answers  ·  posted 1y ago by tilly‭  ·  last activity 1y ago by TonyStewart‭

Question opamp
71%
+3 −0
Q&A Two way circuit breaking capability for ideal diode controllers

I would like to save some costs with ideal diode controllers. Basic requirement is for the diode controller to block overcurrents (short circuits) in both directions. The MAX16141A IC can do it a...

1 answer  ·  posted 1y ago by kellogs‭  ·  edited 1y ago by kellogs‭

71%
+3 −0
Meta What residential wiring questions are on-topic here?

I'm not very familiar with this site but was pointed to it by a comment. That made me wonder, what exactly is the scope of this site when it comes to residential wiring? For example, Basic wiri...

2 answers  ·  posted 1y ago by matthewsnyder‭  ·  last activity 1y ago by Lundin‭

Question discussion scope
71%
+3 −0
Meta How to request a mass-change in capitalization for tags?

Feel free to provide a list here and someone will go through and update them. For instance, I've just renamed [led] to [LED]. Please include both the old tag name, the new name, and ideally an expl...

posted 1y ago by Mithical‭

Answer
71%
+3 −0
Meta Big tags overhaul - 1st part - please delete those tags!

67 tags deleted, 10 with posts still attached left alive.

posted 1y ago by ArtOfCode‭

Answer
71%
+3 −0
Meta Big tags overhaul - 1st part - please delete those tags!

I've just finished a first clean-up of the tags pages, where I consolidated tags, provided synonyms, wrote guidance text and defined some hierarchy. As a result there are quite a lot of "dead" tag...

1 answer  ·  posted 1y ago by Lorenzo Donati‭  ·  edited 1y ago by trichoplax‭

Question support tags
71%
+3 −0
Q&A Burned Source Driver - Noise Spikes from Relay Coil

I am trying to figure out what is causing an Allegro A2982 source driver to burn up. The source driver (A2982) is connected to the coil of a Panasonic TXS2-9V relay. The source driver and coil ar...

1 answer  ·  posted 1y ago by mrbean‭  ·  last activity 1y ago by Olin Lathrop‭

Question relay source-driver
71%
+3 −0
71%
+3 −0
Q&A estimation of pogo pin resistance

Is there a scientific way to estimate the resistance of a pogo pin? Ultimately there must be, but it generally requires knowing things you don't know. Worrying about the resistance of the barrel ...

posted 1y ago by Olin Lathrop‭  ·  edited 1y ago by Olin Lathrop‭

Answer
71%
+3 −0
Q&A High voltage transformer design

When should a transformer core be potted? Whenever you need some of Mechanical ruggedness. High dielectric strength. Minimize vibrations (and therefore audible whine) from capacitive, inductive...

posted 1y ago by Olin Lathrop‭

Answer
71%
+3 −0
Q&A Most reliable galvanic isolation technology for extreme EMI environments?

My first knee-jerk reaction was to use opto-isolators. There are some that have been around for decades and are unlikely to go obsolete any time soon. I wasn't previously aware of these "digital ...

posted 1y ago by Olin Lathrop‭

Answer
71%
+3 −0
Q&A Will shorting a lithium ion battery cause an explosion?

It depends on how you define "battery". I guess the definition is different depending on if you are a chemist, an engineer or a consumer. When electrical engineers speak of batteries, they typicall...

posted 1y ago by Lundin‭  ·  edited 1y ago by Lundin‭

Answer
71%
+3 −0
Q&A Weird grounding on a vintage hifi sideboard

It has two female inputs on the backside that are labeled as "Grounding". This is incorrect. Take a closer look at the two connections and you will see that the left is labeled "Antenne" and t...

posted 1y ago by Olin Lathrop‭  ·  edited 1y ago by Olin Lathrop‭

Answer
71%
+3 −0
Q&A Transformer design for a Series Resonant Converter

I am determining the Area-Product of the core required for a transformer to be used within a series resonant converter. The specifications are as follows: Switching frequency = 400 kHz Primary ...

1 answer  ·  posted 1y ago by jonathan_the_seagull‭  ·  last activity 1y ago by Andy aka‭

Question transformer
71%
+3 −0
Q&A Transformer design for a Series Resonant Converter

The website that I mentioned before mentions the max flux density in ferrites at 400 kHz as being close to 0.04 T. Is this correct? No, you have misinterpreted the graph. The graph shown is fl...

posted 1y ago by Andy aka‭  ·  edited 1y ago by Andy aka‭

Answer
71%
+3 −0
Q&A Speed of EM waves from the point of view of an electrical engineer

A loss-less coaxial cable has inductance and capacitance and, their associated formulas introduce $\epsilon$ and $\mu$. But, to home-in on the velocity of propagation, the characteristic impedance ...

posted 1y ago by Andy aka‭  ·  edited 1y ago by Andy aka‭

Answer
71%
+3 −0
Q&A What fabrication process is being used for jellybean parts

I want to know why the top-of-the-line CPUs and GPUs from Intel, NVIDIA, and AMD are all bragging about the fabrication process (7nm and 5nm) and trying to be consistently smaller. At the same tim...

3 answers  ·  posted 1y ago by dekker‭  ·  last activity 1y ago by TonyStewart‭

71%
+3 −0
Q&A Why would a standby UPS fail to power devices when there's no power outage?

Started writing a comprehensive answer, interrupted by some phone calls, finally finished it...and then accidentally clicked to another page and lost it. Arghh!!! So this answer may not be quite as...

posted 1y ago by manassehkatz‭  ·  edited 1y ago by manassehkatz‭

Answer
71%
+3 −0
Q&A Ceramic capacitor "memory" effect?

Preface English isn't my first language. I'm still pretty green relatively as an electrical engineer with 3 years out of B.S. program and in the medical industry. This is my first post on any st...

posted 1y ago by ГерманГ‭

Answer
71%
+3 −0
Q&A Calculating base voltage of NPN transistor

For my opinion, it is not too complicated to reduce the various equations to a system of two equations with two unknowns (current Ib2 neglected), Let me try: Vb1-Vx=I5*R5 I5=IC4+Vb1/R3 IC4=Ue...

posted 11mo ago by LvW‭  ·  edited 11mo ago by LvW‭

Answer
71%
+3 −0
Q&A Standardized way of measuring AC line frequency

The simplicity of zero-crossing measurements is attractive. Regarding "Full period" zero crossing (i.e. time between rising-zero-crossings, or between falling-zero-crossings), compared to "half pe...

posted 11mo ago by Pete W‭  ·  edited 11mo ago by Pete W‭

Answer
71%
+3 −0
Q&A STM32. What should be done in firmware for VBUS detection through a GPIO pin?

I've got a is self-powered USB device, which means that I have to do VBUS detection. The device is built around STM32G474. Unlike some other STM32s, the STM32G4 don't have a dedicated pin for VBUS...

2 answers  ·  posted 10mo ago by Nick Alexeev‭  ·  last activity 9mo ago by Nick Alexeev‭

Question USB firmware STM32
71%
+3 −0
Q&A What happens when a microSD card is hot-unplugged?

There is no provision in FatFS or the fat32 filesystem in general regarding hot-unplug, so this behaviour depends wholly on the implementation layer for your hardware. As an example, in my use cas...

posted 11mo ago by DSI‭  ·  edited 11mo ago by DSI‭

Answer
71%
+3 −0