Electronics Design - Main Page

Do you have a question? Post it now! No Registration Necessary

Electronics Design - Design your own electronics! You are not alone.
Web, RSS and Social Media interface to sci.electronics.design
There are 694333 individual articles here that are part of 38388 discussions
Please see below the list of the most recent and the best rated articles in Electronics Design

The most recent discussions

Failure Design


February 20, 2019, 4:20 pm

Engineering Connections Earthquake Proof Bridge | Science Documentary Worth watching when you think you have reached the end of your design https://www.youtube.com/watch?v=dQf_vE7tOlw Read more »

(OT) Chemical used to make flame during WW2 by adding to water


February 20, 2019, 5:14 am

Off topic, but it has to so with science.... When I was young, my father had a container of some sort of powder, which was supposed to be added to water, and then it formed a gas that burned as a ... Read more »

Re: Can a 12 volt regulatred power supply be used to charge car batteries?


February 20, 2019, 5:13 am

I have an old charger, a small 6A model, which only has an over current cutout. No cut-off. I had it connected to my farm tractor last week, when we got a huge snowstorm. The tractor and charger we... Read more »

EL backlighting


February 20, 2019, 4:16 am

EL backlighting for LCD displays looks warm and inviting, particularly a light blue or a white. LED backlighting looks harsh and cheesy, particularly that diffused deep blue driven by a white LE... Read more »

given snr and maximum frequency, what is the lowest analog current measurem...


February 20, 2019, 12:45 am

Hello, I am trying to find the minimum order of current I can measure (mA, uA, nA, pA or fA) if I know the SNR I can get and the frequency of the signal. I know there is a relationship between thes... Read more »

nice little DC/DC brick, for Win maybe


February 19, 2019, 11:13 pm

https://www.dropbox.com/s/jrah1f36vr0c24g/DSC03173.JPG?dl=0 https://www.dropbox.com/s/j5rgtefvfcyjjli/DSC03176.JPG?dl=0 https://www.dropbox.com/s/untuxsh3tsvpgsc/DSC03175.JPG?dl=0 It's only about ... Read more »

Reed switch AT


February 19, 2019, 10:21 pm

Hoe sensitive would a reed switch be that's rated 10 - 15 AT? Do you think a magnet like this (whatever, need something small) would activate it at an inch away or so? -- thanks Used reed switche... Read more »

Process to Produce Hydrogen from Water Using Sunlight Reaches 16.2% Efficie...

  [ 2 ]
February 19, 2019, 8:30 pm

This is major: Researchers use a metric called solar-to-hydrogen (STH) efficiency as a sta ndard way to evaluate PEC (Photoelectrochemical) systems based on how effec tively they convert energy fr... Read more »

LDO with current limit


February 19, 2019, 7:29 pm

Can anyone recommend a low-dropout voltage regulator with resistor programmable current limit? Or just a limiter that I can put ahead of an existing LDO? Input will be +24 volts, so that excludes ... Read more »

Uranium Seawater Extraction Makes Nuclear Power Completely Renewable

  [ 2 ]
February 19, 2019, 5:50 pm

America, Japan and China are racing to be the first nation to make nuclear energy completely renewable. The hurdle is making it economic to extract ur anium from seawater, because the amount of ur... Read more »

Click here for other recent discussions »

The best rated discussions

rating
5

Re: floppy drive emulator hardware usb or sdcard


On Apr 16, 11:53 am, alfons de wolf en e NoLife ;-) One possibility is a virtual drive. One, create a virtual drive in memory. Two, make an image of your floppy disc contents on a flash drive... Read more »

rating
5

is the hendershot generator ad a scam?

  [ 2 3 4 ]

is it a scam? Will it work in a residential home ? Read more »

rating
5

Protection circuit to be used for a gate pulse of SCR


Hello, I am doing a project on a temperature control system.My controller has been designed in LabVIEW and I get a control signal of 0-5V output from DAQ which needs to be given as gate pulse to SCR.... Read more »

rating
5

2.5KVA transformer on square wave 1000hz mains


I just bought a 50/60 hz transformer rated 575VAC pri to 230VAC sec rated at 2.5KVA on ebay. I remember reading some time ago that transformer companies rated their transformers to 1000 hz. I'm needi... Read more »

rating
5

Photodiode bootstrap phase rolloff


Hi all, I am currently working on a range-switched photodiode design for use in our laboratory [1]. It took me a while, but I've arrived at a design I'm fairly happy with (in no small part thank... Read more »

rating
5

DSP Device for Guitar Pedal Effect

  [ 2 3 ]

I was wondering what DSP chip would be appropriate for a guitar pedal effect. I need to sample the incoming signal preferably at 96kHz perform a simple numeric function upon each sample and output h... Read more »

rating
5

How to isolate 5V and 12V circuit


Hello everyone, I have extend existing circuit design by adding a 12V relay to it. AT the moment both 5V and 12V circuit are side by side. This doesn't work well. Intermitent device failure happen. I... Read more »

rating
5

micropower boost circuit

  [ 2 ]

I need a DC to DC boost circuit with an output defined not with respect to ground, but with respect to the input, which is variable. Output about 15 volts above the input, over a wide range -- f... Read more »

rating
5

Peltier Controller Schematic

  [ 2 ]

Can anyone point me to a schematic for a Peltier constant temperature controller? Thanks for any leads Read more »

rating
5

Secure PIC programming


Hi We have customers using PICs who sometimes need to re-program them with updated firmware. It's inconvenient to have to ship the equipment back to a service centre, and most customers are quite... Read more »