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Joypad Control hack solder won't stick

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astroone:
I did tried to heat the contact first it just seem's the solder wouldn't hold for some reason I did use the same solder on a previous joypad with no problem's like I said it was a cheap joypad less than $3
I might try the dremel and see if I get different result's on the contact's

drventure:
There are different kinds of solder, very often, PCB's that have been manufactured use a very different solder than what you can get at radio shack, and the two don't work well together (ie they don't stick).

I've found the best solution to that is to buy a tub of Solder flux (radio shack DOES carry that).

Clean the pad, dab on a good bit of flux, make sure the iron is hot, touch the iron to the pad with the flux, and touch the solder to the iron and let it flow to the pad.

I've had probs like this, esp when trying to solder to the end contacts of batteries (ie when replacing batteries in shavers or cordless phones with home built AA packs).

Even if your solder says that it is "solder and flux" together, I've found it's usually not enough flux to let the solder really stick.

Dawgz Rule:
As they said in soldering school, "Flux it up"

lilshawn:

--- Quote from: drventure on July 11, 2012, 06:51:35 pm ---There are different kinds of solder, very often, PCB's that have been manufactured use a very different solder than what you can get at radio shack, and the two don't work well together (ie they don't stick).

I've found the best solution to that is to buy a tub of Solder flux (radio shack DOES carry that).

Clean the pad, dab on a good bit of flux, make sure the iron is hot, touch the iron to the pad with the flux, and touch the solder to the iron and let it flow to the pad.

I've had probs like this, esp when trying to solder to the end contacts of batteries (ie when replacing batteries in shavers or cordless phones with home built AA packs).

Even if your solder says that it is "solder and flux" together, I've found it's usually not enough flux to let the solder really stick.

--- End quote ---

this, also if you have old solder the flux gets all crystally and doesn't work properly when melted. I had a hell of a time trying to solder some wires used in an automotive application. the wire was hot as hell and i could actually melt the solder by touching the solder to the wire...BUT WOULD NOT STICK. Used a little flux and it sucked right on there no problem.

CoryBee:
Flux is always a great tool to have along side your soldering iron, I have a bunch of different types and find the Flux Pens to be damned handy (and cheap).

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