I have 200 10k resistors. WHAT ON EARTH DO I DO WITH THEM?

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martakz's picture
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Well I ended up with 200 instead of 20. I think I added a zero by accident.

Any ideas as to what to do with 200 of these things?

Cheers

T

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G4from128k's picture
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sculpture

First, you could make a wire sculpture out of them. A wireframe soccerball (a truncated icosahedron) would need 90 resistors. You could also claim that its a chemical model of buckminsterfullerene.

Second, and assuming they are all 1/4 watt resistors, you could make a small heating pad or cup warmer. If I've done the math right, 3 resistors in series on 120 AC will draw a safe amount of power (about 1/6 watt per resistor). Wiring a bunch of 3-resistor units in parallel would create a unit that could be potted in epoxy or something. Just don;t burn down the house.

Third, you could buy 200 LEDs in different colors and make a very lit up Mac.

martakz's picture
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48 ultra bright blue leds is

48 ultra bright blue leds is bright enough for the mac Wink

And tha pic was taken in a fully sunlit bright room at an angle. Head on its even brighter.

I'll "think" about the heater idea. Sounds a bit dodgy though! Here we have 240V. I'll check the math.

Cheers

T

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"Buckminster Fullerene." LOL

"buckminsterfullerene." LOL!

He taught at Southern Illinois University in the latter part of his academic career. I always appreciate a good Bucky Fuller reference!

tony b.
SIU-C '86

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DrBunsen's picture
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Build a simple resistor array

Build a simple resistor array analogue to digital convertor

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Mackie's picture
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Sell them to a surplus store.

Sell them to a surplus store. Those places pay through the nose for them.
I once unloaded about 500 capacitors (don't ask)...

boby_dg's picture
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Yeah ,you could build a lot o

Yeah ,you could build a lot of DACs (digitall to analogue convertor) .Yould need about 27 resistors (because 9 of the 18 needed for the circuit are 20k and you should connect 10k in series by two to get 20k) for each.You'll also need one 10mf capacitor for it and I think that you are going to receive about 7 DAC's and sale them to your friends who are having old 386 laptops without sound card - wiht the COVOX driver every DAC connected to the paralell port turns into a nice sound card and it makes better sound than the nasty old internall speaker driver.Isn't that a good a idea.Ask me if you want schematics or driver.

doug-doug the mighty's picture
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Make a necklace...

Loop the ends together and make a chain out of them. Everyone will ask about the styllin' necklace and where you bought it.

--DDTM

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200 10K RESISTORS

HOW MUCH DO YOU WANT FOR THEM??
I MAY BUY THEM FROM YOU.

martakz's picture
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£2.50 Great Britain Pounds p

£2.50 Great Britain Pounds posted world wide. I want to get rid of them!

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You havent even said what siz

You havent even said what size or rating they are.

Are they through-hole? 0603, 0805? 1%, 5%?

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performaman's picture
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That would be interesting. Pl

That would be interesting. Please post a link to plans.

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boby_dg's picture
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Excuse me for making you wait

Excuse me for making you waiting, I saw your comment today.You should just google with Covox key or parallel port DAC key, but however when I did it I saw that most of those old good site for this were missing. The schematics are here :

It is quite a good quality sound output, but it is very quiet - when I used it in my laptop I made one small battery powered speaker with amplifier (TA7326P or something like this, I think it was 1 Watt or less)

boby_dg's picture
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Excuse me for making you wait

Excuse me for making you waiting, I saw your comment today.You should just google with Covox key or parallel port DAC key, but however when I did it I saw that most of those old good site for this were missing. I drawed you schematics they are here :

http://www.applefritter.com/node/view/5102

You'll also need the covox driver. It is here :

http://193.125.152.107/pub/windows/drivers/covox.zip

It is quite a good quality sound output, but it is very quiet - when I used it in my laptop I made one small battery powered speaker with amplifier (TA7326P or something like this, I think it was 1 Watt or less)

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Re: Yeah ,you could build a lot o

boby_dg wrote:

You'll also need one 10mf capacitor

10 milifarads? Holy crap! I assume you mean microfarads.

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boby_dg's picture
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Yes, microfarads. (μF). Sorr

Yes, microfarads. (μF). Sorry for my total laziness leading to this that I didn't want to search for this symbol in the character map.

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If it's any consolation, the

If it's any consolation, the amp design I just released called out for four 4.7 milifarad caps, and I originally wrote it on the schematic as 4.7mF and EVERY SINGLE person who looked at the early design assume I meant microfarads, even the ones smart enough to then tell me that 4.7mF wasn't nearly enough.

So I changed it to 4700 μF just to reduce the number of dumb questions that I'd have to answer later.

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