[chbot] Help SMD !
Robin Gilks
gb7ipd at gmail.com
Thu Sep 19 00:28:48 BST 2024
Is there someone available over the next few days with the skills to solder
a LQFP64 STM32F303RCT6 chip to a PCB ? (I've actually 2 PCBs I want to
populate to continue my weather station prototype development). I've
managed to cook 2 CPUs now (possibly 3) and I'm running out!
I've a whole list of likely causes to my dilemma, some of which I can't do
anything about (like the cataract in one eye) and other things like 3 weeks
before the preheat hotplate arrives! and I also didn't add a solder mask
when I ordered the PCBs (hence my questions of a 2/3 of weeks ago about PCB
manufacture).
On another note, any recommendations on supplies of solder paste
(preferably type 4 or 5) and gel flux. Most sellers on Aliexpress for
solder paste seem to be obsessed with the melting temperature with no
information about ball size, leaded etc. Looking at Digikey, I'm sure they
have what I want if only I knew what I was trying to buy.
Cheers
--
Robin Gilks
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