[Blindtlk] Soldering revisited

[Bryan Schulz]

hi,

i haven't heard of this but it sounds like it would work. i'm guessing you 
are a hi-partial and not guessing where the doughnut gaps would be.
Bryan Schulz

----- Original Message ----- 
From: "T. Joseph Carter" <carter.tjoseph at gmail.com>
To: "Blind Talk Mailing List" <blindtlk at nfbnet.org>
Sent: Thursday, August 11, 2011 2:39 PM
Subject: Re: [Blindtlk] Soldering revisited


>I am considering that the solution might be some of the tools used to 
>solder surface mount devices by hand.  Typically you have a board with a 
>solder mask.  You apply solder paste, and it will be repelled by the solder 
>mask.  Unless you use too much paste, the solder mask should resist solder 
>bridges quite nicely.
>
> Since the solder paste is applied cold, a syringe with a fine tip should 
> be able to do the job.  Then a hot air pencil.  I don’t have these things, 
> but it should work.  If others have done it, I’d love to know.  If not, 
> guess I’m the trail blazer.
>
> Joseph - kf7qzc
>
>
> On Thu, Aug 11, 2011 at 01:23:28PM -0500, Bryan Schulz wrote:
>>hi,
>>
>>if he has, that would be a neat trick as the pins on printed circuit 
>>boards are about 3mm apart and a bridge anywhere causes a failure.
>>
>>Bryan Schulz
>>
>>----- Original Message ----- From: "Hyde, David W. (ESC)" 
>><david.hyde at wcbvi.k12.wi.us>
>>To: "'Blind Talk Mailing List'" <blindtlk at nfbnet.org>
>>Sent: Thursday, August 11, 2011 12:45 PM
>>Subject: Re: [Blindtlk] Soldering revisited
>>
>>
>>>Joseph, get hold of Curtis Wilouby. If anyone does it, he has.
>>>
>>>-----Original Message-----
>>>From: blindtlk-bounces at nfbnet.org [mailto:blindtlk-bounces at nfbnet.org] On 
>>>Behalf Of T. Joseph Carter
>>>Sent: Thursday, August 11, 2011 11:26 AM
>>>To: Blind Talk Mailing List
>>>Subject: [Blindtlk] Soldering revisited
>>>
>>>Hey everyone,
>>>
>>>Once upon a time, we had a discussion on this list about soldering wires 
>>>and the like.  A suggestion made was to take the solder, pound it flat 
>>>with a hammer, and then wrap it around the wire/terminal being soldered. 
>>>Then you need only heat the connection a few seconds so that the solder 
>>>can melt and make a solid electrical connection.
>>>
>>>I can tell you that this technique works pretty well for stranded wire or 
>>>stranded to solid wire (such as the leads of an LED for example), and 
>>>could probably be done for two solid wires if you had sufficient success 
>>>using third hand clips to hold the thing still long enough.
>>>
>>>But I want to be able to solder packages with pins on 0.1 inch centers. 
>>>Transistors, old-fashioned DIPs, that kind of thing.  I brought it up on 
>>>nfb-hams, and nobody’s volunteered a brilliant strategy yet, so I figured 
>>>I’d ask a wider audience.  *smile*
>>>
>>>I’m sure it must be possible for a blind guy to do it—I’m just not sure 
>>>how yet.  Advice welcome!
>>>
>>>Joseph - kf7qzc
>>>
>>>
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>>
>>
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