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TROPHY CASE


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Mars Rover snaps a stunning photo. by zach84in pics

[–]spainguy 0 points1 point ago

Thirds

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3

US cuts Pakistan's aid in protest at jail for doctor who helped find Bin Laden. Senate committee votes to slash Pakistan's aid by $1m for each of the years Shakil Afridi, who ran fake CIA vaccine, is in prison (guardian.co.uk)

submitted ago by spainguy to worldnews

Every time I plug my Logitech speakers into the wall they play gospel music by rainbowsunshine1in electronics

[–]spainguy 4 points5 points ago

Sounds like the input stage is rectifying a AM radio signal, like an an untuned crystal set,

Something like these might work

If they don't you will need to get inside the speakers and put an RF filter in the circuit(s), (not recomended for newbies)

WiFi/IR remote control starter project by agroomin electronics

[–]spainguy 0 points1 point ago

LED phototransistor

Wot?

try here http://www.vishay.com/docs/80071/dataform.pdf

Indian state to let forest guards shoot poachers on sight: Maharashtra government says killing poachers will no longer be considered a crime after eight tiger deaths in the state this year. by vegetable_offenderin worldnews

[–]spainguy 2 points3 points ago

Don't like some one?

He's a poacher.......

Power ratings of power supplies and amplifiers? by petematein electronics

[–]spainguy 2 points3 points ago

How is the peak rating defined?

Usually Watts at a specific distortion + marketing factor

500W momentarily

It's a can of worms measurement, dependent on the storage capacitors in the ( linear) power supply.

Basically the only real rating is true RMS

Europe's worst fear: Spain and Greece spiral down together by syukin worldnews

[–]spainguy 5 points6 points ago

No, badly built, you can hear a person fart next door, thermally crap, built to the lowest possible standards.

I was lucky and managed to sell mine.

Europe's worst fear: Spain and Greece spiral down together by syukin worldnews

[–]spainguy 5 points6 points ago

Most are built out of shit and covered in marble. ( in my area anyway)

If somebody a few feet away can hear your stomach "growling" through all the fat and muscle of your body, does that mean it has to be deafeningly loud INSIDE your body? Is there an actual measurement in dB that can be made? by Aeon_fuzzin askscience

[–]spainguy 4 points5 points ago

http://en.wikipedia.org/wiki/A-weighting

An industry standard audio filter for making measurements

Bill Maher: Liberty University Is Not A Real School by btrflyin politics

[–]spainguy 26 points27 points ago

5.10334285 × 10-12 light years

Why are tantalum capacitors marked on the positive side, while diodes and electrolytics are marked on the negative side? by dammitdin ECE

[–]spainguy -2 points-1 points ago

scientific subreddits

lol, /r/electronics is midway between 555today and arduino++

Not exactly "scientific"

USB Typewriter by antimatterLegoin electronics

[–]spainguy 1 point2 points ago

http://www.obdev.at/products/vusb/hidkeys.html maybe a starting point

In August, NASA's Mars Science Laboratory will reach the Red Planet and begin its search for habitats that could have supported life by God_Wills_Itin science

[–]spainguy 2 points3 points ago

It will be a welcome relief from the Olympics

Non-white births outnumber white births for the first time in US by c-foxin science

[–]spainguy 5 points6 points ago

imploded?

Radio controlled clock jammer by duded1000in electronics

[–]spainguy 0 points1 point ago

Probably MSF then

Radio controlled clock jammer by duded1000in electronics

[–]spainguy 5 points6 points ago

That's probably WWV, so you would have to simulate the signal, but the clock probably only update a couple of times a day. Jamming the WWV signal could be highly expensive for other people in your vicinity that use it,

Why are tantalum capacitors marked on the positive side, while diodes and electrolytics are marked on the negative side? by dammitdin ECE

[–]spainguy 1 point2 points ago

The ink they use for the marking is electropositive and would serious ESR problems if it was used on the negative terminals

Elizabeth Warren urges supporters to press Congress to pass a new Glass-Steagall law that would separate “high-risk investment banks” from more traditional banking. “It would allow Wall Street to take risks, but not by dipping into the life savings and retirement accounts of regular people,” by AdamVR4in politics

[–]spainguy 1 point2 points ago

Redefine Wall Street/banks as being gay or having a vagina, suitable laws will soon be in place

Radio controlled clock jammer by duded1000in electronics

[–]spainguy 2 points3 points ago

Do some research, brand of clock for starters

Google filed a patent for the ability to eavesdrop on conversations, so that they can deliver better targeted advertising. Not just phone calls, either - any sound that is picked up by the headset mics. by DevestatingAttackin technology

[–]spainguy 1 point2 points ago

Wait until the shopping trolley gets skynetted, and handles badly with wobbly wheels until you have gone down the cheap beer or chocolate aisle twice

Could use some advice regarding signal reflection. by madprgmrin ECE

[–]spainguy 2 points3 points ago

I had a similar SPI problem, to 7 segment LED drivers, 80 leds at 30mA each, (max 2.4Amps) The problem was ground bounce when the /OE line changed, to PWM the STP16cps05. Termination of the cables didn't help.

The cure was to add 22uF across each LED display.

A scope is essential for this sort of problem

Kansas Governor Signs Bill Allowing Pharmacists And Doctors To Deny Women Birth Control by gatorslapin politics

[–]spainguy 1 point2 points ago

Is this Kansas Pakistan or Kansas USA?

Production Dialogue - Microphone Placement. by spainguyin Filmmakers

[–]spainguy[S] 0 points1 point ago

Principles of Boom Operation

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Production Dialogue - Microphone Placement. (vimeo.com)

submitted ago by spainguy to Filmmakers

/r/breadboard is dead, so I'm posting here: I want to learn ECE. by funkman24in ECE

[–]spainguy 0 points1 point ago

That means the book should be out by late 2012 or early 2013.

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