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12 votes

How do I de-solder cheap proto boards without pulling pads off?

Remove the pins first, then remove the solder. Heat and melt the solder on one pin. Pull the pin out. It may help to add solder to each pin before removing it. Once all the pins are out, go back ...
JRE's user avatar
  • 71.9k
10 votes

How do I de-solder cheap proto boards without pulling pads off?

You don't need tons off flux. If you do it right, the pin header can be de-soldered pretty easily. You can try this method. Apply some flux on the pins Apply solder on a thick copper wire or a bundle ...
kaosad's user avatar
  • 953
5 votes

How do I de-solder cheap proto boards without pulling pads off?

I'd simply remove the plastic strip from the row of header pins and the mount the board in such a way that the pins project out horizontally. You may need a vise for this. Then ensure that there is ...
6v6gt's user avatar
  • 228
3 votes

Solder doesn't melt

Your tip and the solder joint are most likely oxidized. Insufficient flux is the most likely cause. Try solder from a reputable brand, like Kester. I recommend K100LD. The iron tip will also oxidize ...
Drew's user avatar
  • 7,013
2 votes

Soldering iron tip gets oxidised

I use DeOxit to spray on the tip. The blue gets off instantly. Or you can just use a brass cleaning sponge.
Andy K's user avatar
  • 197
2 votes

How to clean excess solder from very small through-holes on a PCB?

Here is trick that works better than many think it should: Hold the board a few inches off the workbench while heating the solder. Once it is melted strike the bench with the board. Solder is very ...
evildemonic's user avatar
  • 9,239
1 vote

How do I de-solder cheap proto boards without pulling pads off?

Go at the board with diagonal cutters or nippers, cut everything off, and then remove one pin at a time
Scott Seidman's user avatar
1 vote

Soldering flux and cleaner for analog SMT boards

The usual-kind of "no-clean" or "water-soluble" fluxes are very bad for analog circuits with high-impedance nodes. I have had very bad experiences even with regular digital (SMOS) ...
Ale..chenski's user avatar
  • 40.8k
1 vote

Solder doesn't melt

But new tips always get dirty after one use Yes they do. The tip must be cleaned every time just before soldering a joint. As others have indicated, use a damp sponge or brass tip cleaner. There is ...
RussellH's user avatar
  • 15.5k
1 vote
Accepted

Solder doesn't melt

New tips always melt it, so is it because my tip is too old? This sounds like you're trying to melt solder by touching a "dry" tip to it. That doesn't work well, because the thermal contact ...
Marcus Müller's user avatar

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