[carpe] 2016-09-27 CARPE Conscribillati: Soldering
jep200404 at columbus.rr.com
jep200404 at columbus.rr.com
Wed Nov 23 09:49:14 EST 2016
show
show existing solder on pads
show flow on big pad of badger board
without flux
with flux
use more flux
use less solder
a big convex ball of solder does not cause problems, but it hides them
nice concave miniscus is indication that things are correct
being too hot for a short time causes less damage to board than
being barely hot enough for a long time
show difference in how melted versus frozen looks:
melted is smooth
frozen is frosted (sometimes frozen is smooth also)
browse dead hard drive board
show nice miniscus
surface mount
through hole
through hole
clean up board
if enough time, solder parts through badger board
prototype:
leave lead sticking straight out from board
don't "clinch" leads
leave at least .1" to clip on to
replace caps on motherboard
(or just remove them and put them back in)
surface mount
remove fom dead hard drive boards
put on badger board
cable splice
put cable from dead power supply
on good power supply with wrong connector
pack
lights
regular laptop
both USB cameras
tripods for them?
ask Russ to bring his also.
eric's stuff to give away
solder
30 gauge
normal
Ungar soldering iron
3-prong handle with candela socket
stand
23W heater
45W heater
20W princess soldering iron 3-prong
heat gun
thermal sensor
mill bastard file
bottle of flux
q-tips
hard flux
solder wick
solder sucker
big old classic
little good one from
helping hands
eye loupe
magnifying visor
extra reading glasses
old camera
charged batteries
boards
arm demo board
BADGEr_ v4 bare PCB
use it to show SMD soldering on
boards to unsolder
through-hole parts
surface mount parts
cardboard sheets to protect desktop
dead power supply with right connector
good power supply with wrong connector
do
give away BADGEr_ v4 bare PCB
gave away
BADGEr_ v4 bare PCB
much Lego Mindstorm's stuff
RC helicopter
plasma globe kit
To get good answers, consider following the advice in the links below.
http://catb.org/~esr/faqs/smart-questions.html
http://web.archive.org/web/20090627155454/www.greenend.org.uk/rjk/2000/06/14/quoting.html
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