[Arm-netbook] asus eeepc 7inch, modifying it to accept a pc card

[Ricardo Wurmus]

ronwirring at Safe-mail.net writes:

> -------- Original Message --------
> From: Pičugins Arsenijs<crimier at yandex.ru>
> Apparently from: arm-netbook-bounces at lists.phcomp.co.uk
> To: Eco-Conscious Computing <arm-netbook at lists.phcomp.co.uk>
> Subject: Re: [Arm-netbook] asus eeepc 7inch, modifying it to accept a pc card
> Date: Sun, 11 Feb 2018 23:40:08 +0200
>
>
>> It seems to have a wide tip, so I'm wondering if it's suitable for soldering things like a 0.8-pitch connector...
>
> It has a swappable solder iron head. The solder iron
> head I have looks like a screwdriver. It is about
> 3mm wide. I have bought another solder iron
> head. Shaped like a pencil.

I suggest a wide, flat solder iron tip and lots of flux
(e.g. “Loethonig”).  0.8-pitch gets easier to solder with a technique
called drag soldering.  You bathe the connector in thick flux, then
apply solder to the flat solder iron head, then slowly drag the solder
ball across all contacts.

The flux prevents the solder ball from fusing adjacent pins.

I really recommend this over a sharp, thin-tipped solder head for narrow
pitches.

--
Ricardo

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