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There are 630260 individual articles here that are part of 35923 discussions
Please see below the list of the most recent and the best rated articles in Electronics Design

The most recent discussions


March 26, 2017, 6:32 pm

Chinese-made molly-guards: Not bad for 50c each. It says SPST, wonder what the third lug is for? Read more »

How to make a simple outdoor antenna for a Weather Radio

March 26, 2017, 12:37 pm

I have a weather radio with a telescoping antenna. But it also has a jack for an external antenna. The jack is a RCA jack, which is not real common for an antenna connector, but it will work. I ... Read more »

Request clarification on signal transmission on coupled paired microstrips

March 26, 2017, 11:41 am

Could some electronics guru please clarify the following ? I am working on some SPICE simulations of signal propagation down coupled parallel microstrips.Microstrips are modelled as lossy trans... Read more »

Ignition circuit issue.

March 26, 2017, 4:36 am

I'm using this circuit to provide 250V pulses to an ignition coil. https://www.dropbox.com/s/1w33uss3eedem05/ignition2.pdf?dl=0 The IC is a Linear Technology LT1243. 12V is provided on G$1 to the ... Read more »

B+K Precision 295 WIdeBand AC voltmeter question..

March 25, 2017, 11:43 pm

I recently was given a free unit that is in prestene condition, looks like it never was used.. Anyway, it works as designed but having a little issue locating much of a manual for it. I wo... Read more »

Output boards, SPI vs I2C

March 25, 2017, 2:46 am

I pondering a microcontroller project that will need a number (say 24) output relays. Is there a reason to use I2C over SPI? It looks like there are 8-channel boards of both ilks, and I don't know... Read more »

OT: FAKE NEWS: Congresswoman Interviewed ?Live? By CNN and MSNBC ? At S...

March 25, 2017, 1:38 am

lying assholes caught out yet again- fake news cnn & msnbc lol! http://tinyurl.com/mgsl5lu Read more »

Why Can't My Volume Go to 11?

March 24, 2017, 11:45 pm

When watching videos on my laptop there are some which just don't have enough volume. Setting everything as high as I can it is still not loud enough. So what determines the highest setting of ... Read more »

Li-Charger IC: Searching for datasheet

March 24, 2017, 10:43 pm

Dear experts, I'm searching for the datasheet for this IC: Manufacturer obviously is Microchip Technology, but that's all what I've been able to find out. Therefore I do hope to find help here. ... Read more »

Rat Shack fire sale

March 24, 2017, 10:25 pm

The local Radio Shack is finally giving up the ghost, and going out of business. Clearance sale, everything 50-90% off. This one still has a big bin of components, all of them 90% off. Most of t... Read more »

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The best rated discussions


rechargeable batteries

Hello How can I charge a rechargeable battery in the lab, what's the 'reverse connection'? Read more »


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 »


is the hendershot generator ad a scam?

  [ 2 3 4 ]

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


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 »


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 »


Visio logic symbols

  [ 2 ]

Does anyone know of a location from which to download simple logic symbol shapes for Visio (and gate, or gate, etc)? Read more »


Re: Strange control problem -- SOLVED!!! -- 3 phase "firing system&quo...

Glen, I solved the mystery. (about the firing system tripping on overcurrent with small currents, on a 200A welder) Here's what it was all about: The current sensor (connected to DC shunt) was NOT, ... Read more »


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 »


Making piezo louder

David, Making an effective piezo drive circuit is about 10% of the work. The resonant cavity design and mounting technique of the piezo is the other 90%. You need to know how the piezo will vibrate... Read more »


Rectifier Schottkies in parallel

  [ 2 ]

Hello, many Schottky rectifier diodes contain two diodes within a single package, usually with the cathodes connected. Does it make sense to connect the anodes too in order to get a diode which ca... Read more »