No charging light hole?
Looks great. Now hit the DNA 40 threads to learn how to use it![]()
![]()
Ta - and thanks for the help to all!
Heh - I thought about the little hole but TBH I charge me batteries in an i2 and - the little micro card is working from the cheapo reject - green and red glow - I mean them things cost more than the rejects we got!
this thing goes down to 1 W !!
gotta say temperature limit is bloody brilliant so far![]()
You can just use rosin core solder
I did a little googling because I'm usually wrong about these things and the AF taught you well. I never cleaned flux off any solder joints but I also don't solder circuit boards too often (maybe a handful of times). The general consensus seems to be to clean it with 90% or greater isopropyl alcohol and a stiff brush. Apparently, flux isn't good for circuit boards.
ps. My dad was a fighter pilot for the Korean Air Force and trained with the USAF for the P51 Mustang and F86 Sabre.
I like the Flux Pens myself:
SRA #312 Soldering Flux Pen Low-Solids, No-Clean 10ml - Refillable - - Amazon.com
First, are you using any Flux? It doesn't look like you are. Those blobs happen when there is a big temperature difference between the solder on the wire and the metal contact on the board. Without Flux, the solder doesn't want to run to the board so it blobs up instead of creating a nice cone / pyramid shape.
Personally I don't appreciate rosin core wires so I can't help you much but I guess I use way more paste than what is in a core.I've only ever used solder wire with a flux line in the center. Is that enough? I managed to solder my DNA40. I made a mess of it a bit creating a bridge but I cleaned it up. After each solder spot I inspected it with a loupe to make sure the connection is good.
I also soldered from "both sides" so that there is a connection on both sides of the board. Is that necessary or overkill?
Probably I really should get a finer solder tip though.
New enclosures at FT for the SX300 chip wonder if an SX350 will fit in this enclosure?
$22.05 DIY Enclosure Case for SX300 G-Sensor VW APV Box Mod - aluminum alloy / red at FastTech - Worldwide Free Shipping