Looks like plenty of interesting discussion happened on this one while I was out. I think that I’ve skimmed it all, but I didn’t necessarily absorb everything and I know that some of this stuff gets discussed in other threads too.
- What’s the situation on “unwanted flashes”? I read Tom E’s post #18 over in pilotdog68’s TripleDown thread and dthoang’s post #231 in this thread. I also skimmed the discussion from TK, RMM, etc. From what I gathered there may be more than one “blink/flash” issue under discussion. Can someone get me up to speed on the current info?
- I’m not sure what’s up with all of the OSH Park mistakes. I’ve certainly made some flagrant mistakes on other things with them in the past, but as far as I know everything is pretty kosher with this one. I definitely do go right up to the minimum tolerances sometimes, but I do not see how that would cause such flagrant issues with the resist mask…
- I’m inclined to agree with anyone who thinks that more of the GND ring should be exposed. Maybe I picked up the skinny-GND-ring habit form Mattaus, who knows. I do prefer to create a “dam” of resist around any component pads that are near the edge of the board. That helps prevent components from scooting towards the edge of the board when soldered, which can create fitment/shorting issues once installed in a light. I don’t always achieve this of course, it’s just my preference. In any case, Eagle doesn’t really have an automatic way to do make sure those dams happen - so the easiest solution is a skinny GND ring. I think I have an updated version of this board with a larger GND ring. I’ll see about dragging that out.