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  #81 (permalink)  
Old 25th December, 2005, 11:08 PM
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*laughs* yeah, too many varying ideas are confusing me, i guess it's a matter of too many cooks in a kitchen idea.

does it matter about the diode? do i need to specify a type to the guy?
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  #82 (permalink)  
Old 25th December, 2005, 11:13 PM
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The choice of diode can be rather important. Radio Shack should have them.

A 1N4001, 1N4002, or 1N4004 will work, but the 1N4004 is the best one of the lot, and since it is the gatekeeper for the entire rest of the circuit, you can spend a few extra pennies on it.
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  #83 (permalink)  
Old 26th December, 2005, 01:23 AM
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Are these acceptable?
RECITIFIER DIODES 2761653 $3.99
Recitifier diodes. Includes ten 1N4004s and five other types. 25 per pack.

1/4 WATT 5% CARBON RESISTORS 2719018 $4.99 x 2
Value pack of 1/4 watt carbon resistors. Package contains two pieces each of 1, 1.2, 1.5, 1.8, 2.2, 2.7, 3.3, 3.9, 4.7, 5.6, 6, 6.6, 8.2, 10, 12, 15, 18, 22, 27, 33, 39, 47, 56, 68, 82, 100, 120, 150, 180, 220, 330, 390, 470, 560, 680, 820, 1k, 1.2k, 1.5k, 1.8k, 2.2k, 2.7k, 3.3k, 3.96k, 4.7k, 5.6k, 6.8k, 8.2k, 10k, 12k, 15k, 18k, 22k, 27k, 33k, 39k, 47k, 56k, 68k, 82k, 100k, 120k, 150k, 180k, 220k, 270k, 330k, 390k, 470k, 560k, 680k, 820k, 1.0m, 2.2m and 3.3m Ohms.

ALUMINUM ELECTROLYTIC, 50V CAPACITORS 2729015 $4.99
Capacitors for all of your do-it-yourself electronic repairs. 50 volts. Two pieces at 2200 µF.

i could only find a capacitor at 50 volts and still have a 2200uf

with the package of resistors i figure i can get 10 "680 ohm resistors" if i put more than one together in series.
ie:
150 ohm, 180ohm, 330ohm, 12ohm, 4.7ohm, 3.3ohm
470ohm, 100ohm, 56ohm, 1ohm, 47ohm, 6ohm
680ohm
120ohm, 560ohm
390ohm, 220ohm, 39ohm, 27ohm, 1.8ohm, 2.2ohm
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  #84 (permalink)  
Old 26th December, 2005, 03:11 AM
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You should be able to be a 5-pack of the 680 ohm resistors. Having the assortment isn't bad for your 'junk box' (everybody who tinkers with electronics in any serious way has one; it's where you keep all the spare junk you accumulate and don't want to throw away because it still works), but believe me, you don't want to be 'building' resistors for anything other than a prototype. It's way too time consuming.

Yes, the 50v capacitor is fine. So is the diode assortment.
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  #85 (permalink)  
Old 26th December, 2005, 04:41 AM
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the assorted package of resistors are the only pack that had the 680 ohm resistors at radio shack. unfortunately i don't know if there are other electronics stores in this town that has resistors and parts like that. and i've got plenty of time to "build" resistors. anyways, if i goof up this may well be just a prototype.
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  #86 (permalink)  
Old 26th December, 2005, 06:34 AM
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i'm looking at a site about how to mod a monitor, and the guy is using cat5 wire to transfer power from the computer into the monitor for the fans and leds and cathrode. i was wondering would cat5 cable be suitable for my wiring as well? i'm unsure of different wires for power
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  #87 (permalink)  
Old 26th December, 2005, 07:59 AM
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For what you are doing, the wire strands from cat 5 cable should work just fine.
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  #88 (permalink)  
Old 26th December, 2005, 07:58 PM
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sexcellent, i'm off now to buy my parts. expect pics later today!
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  #89 (permalink)  
Old 29th December, 2005, 07:52 PM
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okay, i got my leds, i got the diodes, the capacitors, the resistors, cable... oh god do i have the cable.... i got a 15 foot cat5 cable, stripped off the blue, and figured out the calculations, i have approximately 120 feet of wire. now before i start my soldering i need to sort through my resistors. joy. *rolls eyes*
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  #90 (permalink)  
Old 30th December, 2005, 11:42 PM
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Sounds good, hope to see some pictures when you're ready to unveil the project to the world
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  #91 (permalink)  
Old 3rd January, 2006, 11:43 PM
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< Bump > !
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  #92 (permalink)  
Old 3rd January, 2006, 11:52 PM
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it's coming! i just need to sort through my hundreds of resistors, now that i'm back at my dorm, i've got a better work space, so expect progress soon!
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  #93 (permalink)  
Old 4th January, 2006, 12:12 AM
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Yay! looking forward to it
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  #94 (permalink)  
Old 4th January, 2006, 12:17 AM
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Pictures!
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Old 4th January, 2006, 12:35 AM
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of what? stripped wire? a pile of unsorted resistors? the same progress on the rest of the case? lol, soon, my padawans, soon.
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  #96 (permalink)  
Old 4th January, 2006, 03:12 AM
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okay, you guys wanted pics, so here's a pic of my resistors before i sorted them and a pic of the leds just sitting on the bottom roughly where i'll be placing them. i've also given some of the chips a coat of glow in the dark paint merely cuz i couldn't find any UV paint and i didn't have a UV light source for it. but it looks sweet!
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Network Hub Mod-resistors.jpg   Network Hub Mod-led-placements.jpg  
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Old 4th January, 2006, 03:30 AM
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This will be my First soldering job i've ever done, i've even got a new soldering tool to do this. it came with some soldering wire and not much of instructions, so i was wondering if you guys know of a site that could teach me to solder properly or have some tips i could use
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  #98 (permalink)  
Old 4th January, 2006, 03:43 AM
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You got a 20 Watt soldering Iron with a very fine tip? If its any hotter than 20 watts it can fry your board.
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  #99 (permalink)  
Old 4th January, 2006, 03:48 AM
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pretty much the wiring for the lights will be seperated from the board except where it conects to the ac adpator's port prong things on the bottom.

this is my soldering tool, it's 5 bucks cheaper now grrr. lol http://www.thesourcecc.com/estore/Pr...roduct=6402802
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Old 4th January, 2006, 04:18 AM
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First when the iron is hot, allow a tiny bit of solder to melt onto it giving the thinnest of coats. If you stuff that up, just use an OLD damp sponge to clean it.

Then

Pretty much just hold the iron against the wires to be soldered, and the solder slightly apart from the iron, when the wires are hot enough they will melt the solder.

Try this a few times with a couple of pieces of wire only, till you get the hang of it. A small clamp or similar (ie vice grips) will come in handy holding peices in certain positions. You have heaps of wire, so don't worry about using several pieces in practice. Resistors are pretty heat resistant, but LED's can be a bit funny. Its best to clamp the LED just above where you are going to solder, as the clamp acts like a heat sink, not allowing the LED to get to hot. You can also do the same with using a clamp on the power supply side.
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