I second the flux pen x10. Extra flux makes you look like you're better than you really are at soldering! :-) On Mar 12, 2015 11:44 AM, "David Madden" <[email protected]> wrote:
> On 3/12/15 8:55 AM, Joshua Noble wrote: > > I don't want to ruin the board and one of my NRF905s without a > > seeking some wisdom first. Has anyone successfully done this without > > a stencil? Any tips or tricks or words of warning? > > I've had pretty good luck with solder paste in a syringe, smear across > the pads (and center), then hot-plate. I usually get bridged pins, > which I fix with solder braid. I've done CP2102, AT90USB82 and > nRF51822, which are 28, 32, and 48 pins, I think. But if time and > materials are important, I'd probably look into hiring somebody who does > rework all the time. A lot of them are MAGICIANS with solder. > > One other thing, I design my own board footprints, and I usually extend > the traces out a couple mm more than the docs call for. That allows me > to get an iron on a trace, heat it up and even add a bit of solder to > make a "foot" up against the side of the QFN package. Oh, and a flux > pen is your friend. > -- > Mersenne Law LLP · www.mersenne.com · +1-503-679-1671 > - Small Business, Startup and Intellectual Property Law - > 9600 S.W. Oak Street · Suite 500 · Tigard, Oregon 97223 > > > _______________________________________________ > dorkbotpdx-blabber mailing list > [email protected] > http://music.columbia.edu/mailman/listinfo/dorkbotpdx-blabber >
_______________________________________________ dorkbotpdx-blabber mailing list [email protected] http://music.columbia.edu/mailman/listinfo/dorkbotpdx-blabber
