Dave McGuire wrote:
On Oct 20, 2006, at 8:26 PM, DJ Delorie wrote:
I wonder if you can hand-solder SOJ if you start by putting solder
paste on the pads, so that you use the tip to reflow the paste?
I've done this with a hot-air pencil. I find it a bit easier than
doing SOJs with an iron
FYI: They still throb too fast to see (30Hz). Those caps are not very
precise.
U? What's their tolerance spec?
They're X5R's, rated at 10%.
That board is going about 700Hz+, so they're 5% off, but I've seen
them up to 20% off when measuring them with my multimeter, not that
DJ Delorie wrote:
I'll give some feed back to that. I was planing on ordering ten.
Not that I'm that bad at soldering, but some people at work could use
some practice.
Note that ten packs aren't cut up; you'll need a scroll saw or other
pcb cutter with a narrow kerf. I use a #2 blade. I'm
2nd paragraph. There's all sorts of things should probably be
There are all sorts of things.
Fixed.
from the time the parts get here should maybe from the time the
parts get there.
I meant *my house*. From the time the parts leave Digikey to the time
you finish assembling your board. I
DJ Delorie wrote:
I've built three so far (two proto, one final). I'm going to use one
or two more finals to try out my new hot plate before I start working
on the expansion board project (the SOJs almost require reflow). So,
I can't wait to get rid of them all ;-) (and I'm not going smaller
yeah, I've never liked soldering SOJ's. Although I'd rather do
those than QFN's.
I'd have preferred tsops, but I can do trace-between-pads with SOJ,
and I was kinda limited given the part I needed (5v SRAM).
I wonder if you can hand-solder SOJ if you start by putting solder
paste on the
On Fri, 20 Oct 2006 14:01:23 -0400
DJ Delorie [EMAIL PROTECTED] wrote:
One step left before I start taking orders. Almost there!
I've pretty much finished the web page and instructions for the
challenge board project, and would like to request a review.
Specifically, the link marked
In instructions.pdf, Quantities in the table don't match the board or the
resdef numbers.
C2-5 Qty 2 - should be 4
There are two oscillator configurations, so the schematic has two
places for caps for each oscillator. You only populate one each.
This is noted in the instructions. I added
I'll give some feed back to that. I was planing on ordering ten.
Not that I'm that bad at soldering, but some people at work could use
some practice.
Note that ten packs aren't cut up; you'll need a scroll saw or other
pcb cutter with a narrow kerf. I use a #2 blade. I'm going to cut up
the
Won't two AA's power this rather than messing with a 9V and 7805?
Hey! It works! And no injection locking either.
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On Oct 20, 2006, at 10:26 PM, DJ Delorie wrote:
Won't two AA's power this rather than messing with a 9V and 7805?
Hey! It works! And no injection locking either.
Schweet!
-Dave
--
Dave McGuire
Cape Coral, FL
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Hey! It works! And no injection locking either.
Schweet!
Yeah, that was definitely a pleasant surprise.
Not that I can explain it, of course.
But now I have to reconfigure my latest board to use the twin slow
oscillators, so I can see the LEDs throb. That means moving one of
the
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