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Forums > Help! > Technical Difficulties in LED's

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Pele
BRONZE Member since Dec 2000

Pele

the henna lady
Location: WNY, USA

Total posts: 6193
Posted:It seems there are a few of us who over the course of much time have managed to loosen the switches on our LED systems in the Electroglo tools.
I am beyond tech-minded into the realm of idiot in that arena.
How do you tighten up the switch or fix the system please?
Many thanks.
Pele


Pele
Higher, higher burning fire...making music like a choir
"Oooh look! A pub!" -exclaimed after recovering from a stupid fall
"And for the decadence of art, nothing beats a roaring fire." -TMK

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flid
BRONZE Member since Aug 2002

flid

Carpal \'Tunnel
Location: Warwickshire, United Kingdom

Total posts: 3136
Posted:hah hah!

i just figured out the problem. Will fix it now and take some fotos of the process to post here, gimmie a few minutes....


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flid
BRONZE Member since Aug 2002

flid

Carpal \'Tunnel
Location: Warwickshire, United Kingdom

Total posts: 3136
Posted:How to unbreak broken led units

Ok, first off take the end off your electroglo poi/staff, then take the unit out (using pliers, teeth or whatever). Undo the screw holding the unit closed and take out the batteries. Now slide the PCB board with the switch and LED on out of the plastic casing and put it on your desk.

When you open one of these up the profit margin really hits home - other than the batteries the components cost only a few pence. They are made from 2 3 volt batteries, a resistor, a switch and an LED.

There's not a lot to go wrong with these units. The lights themselves are LEDs, which when placed on a piece of concrete and hit with a hammer repeatedly will probably survive.

The resistor is in the casing and not exposed and so is therefore unlikely to be the problem.

Our best candidate is the switch, as these are exposed and constantly rub against the wire, string of whatever else maybe inside the tube with them.

These switches are SPDT switches, with 2 of the pins soldered together to make a SPST switch (ie on and off). If they have internal damaged then they can be replaced easily, from a decent electronics shop shouldn't cost more than 10p.

In my case after careful observation under a strong light, one of the pins solder joint had come undone. It was only by a millimeter or so, but it was enough to stop them from working:


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So it was a simple case of resoldering the joint.

I'm not going to try to explain to you how to solder, on the basis that if you own a soldering iron then you should know what you are doing already! (and if you don't burn your desk whilst doing this then you know more/have more coordination than me).

My sodlering iron wasn't hot enough to melt the solder already on the board, so i added a bit of my own.

And that was that. Then we all went home and had tea and went to bed.


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Cantus
SILVER Member since Jul 2001

Cantus

Tantamount to fatuity
Location: Down the road, United Kingdom

Total posts: 15965
Posted:I get my brother to the soldering (as his hands are steadier than mine) but aside from that I agree with flid.

"I'll carry this....It's harder to spill a hat" - Chellybean
"...like a rabbit caught in a lighthouse?" - Chellybean

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Zoltar
BRONZE Member since Nov 2002

Zoltar

Beginner
Location: Beyond Time, South of Melbourn...

Total posts: 282
Posted:Excellent post flid.

* walks off to find broken LED units and soldering iron *


So much fire, so little body hair...

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Pele
BRONZE Member since Dec 2000

Pele

the henna lady
Location: WNY, USA

Total posts: 6193
Posted:Flid...thank you. You so completely Rock!






Pele
Higher, higher burning fire...making music like a choir
"Oooh look! A pub!" -exclaimed after recovering from a stupid fall
"And for the decadence of art, nothing beats a roaring fire." -TMK

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flid
BRONZE Member since Aug 2002

flid

Carpal \'Tunnel
Location: Warwickshire, United Kingdom

Total posts: 3136
Posted:well i'm not sure i'd go that far, but thanks for thee flattery anyway

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Cantus
SILVER Member since Jul 2001

Cantus

Tantamount to fatuity
Location: Down the road, United Kingdom

Total posts: 15965
Posted:He doesn't rock. The floorboards are loose. This causes some undue swaying.
Tis all....


"I'll carry this....It's harder to spill a hat" - Chellybean
"...like a rabbit caught in a lighthouse?" - Chellybean

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bender
GOLD Member since Nov 2001

still can't believe it's not butter
Location: Melbourne, Australia

Total posts: 6979
Posted:teeheee cantus!
flid, mate! fantastic, thorough post, mate! your contribution should be made into a HoP article. mmm sexy PCBs! yes i watch too much mecha anime.
/walks off in a robotic fasion


Laugh Often, Smile Much, Post lolcats Always

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