Dan Sheadel

Fan of robots, open source, googly eyes, socks, and all forms of hijinks. Sometimes I do PCB fab support. You can view my bugs at

[Dan Sheadel @tekdemo]

@quixoticgeek @oshpark We had a number of snags in getting this set up quickly. Should be deployed soon, but for the meantime just plotting gerbers are the way to go.

[Dan Sheadel @tekdemo]

@alexwhittemore @oshpark @thomasflummer 1oz is just a weight of total copper added, but clad/plated behave similarly in most cases. Only a few specialty applications need to consider the density+conductivity differences.
The ENIG is 3-6um, negligible for most applications. Usually only a factor for magnetics.

[Dan Sheadel @tekdemo]

@TehTechnoGuy @oshpark On our Flex service, the milling is done with lasers, which can help somewhat. But the lasers can't cut through copper, so we have to split the annular ring. Should work fine in most cases, but it's not a risk-free solution either.

[Dan Sheadel @tekdemo]

@TehTechnoGuy @oshpark You can try it, but the fab will use a 40mil or 68mil mil bit. In practice, it's very fiddly, prone to issues, and even when it does work, not ideal due to board height.

[Dan Sheadel @tekdemo]

@JoeDesbonnet Yeah, we're looking into it. There's a bunch of under-the-hood and UX changes to support it.

[Dan Sheadel @tekdemo]

@desiderosmia The Romans did, and they looked fantastic. So you're in the clear.

[Dan Sheadel @tekdemo]

@desiderosmia Successfully poked! Feeling dead, but nothing terrible. Soon, outside!

[Dan Sheadel @tekdemo]

@desiderosmia Nurse gave me the Phizer return date, but I got Moderna. So, another week out before the shot actually happens. 😥

[Dan Sheadel @tekdemo]

@roamingryan @oshpark Augh! Thanks for spotting that. We'll get that corrected here.

[Dan Sheadel @tekdemo]

@desiderosmia my second shot is tomorrow. So hyped. Hang in in there.

[Dan Sheadel @tekdemo]

@leonkiriliuk @oshpark Generally this works, but castellations aren't fully supported since they may fail at random. Internal castellations have more quirks than normal ones: The outlines are sometimes confused for PNP data (often added incorrectly) and the cutout is ignored.

[Dan Sheadel @tekdemo]

@_nitz @pimoroni @oshpark We used to do a matte finish for a while! It's indeed hecking gorgeous and we loved it, but we weren't able to use it long-term due to consistency across services and day-to-day production. If it's ever an option we can stick with though, we'd sign for it instantly.

[Dan Sheadel @tekdemo]

@konsgn @oshpark Very not supported. Even if you specially prepare the file to get "processed" right on our end, the resulting board is going to have a high failure rate because of fab concerns.

[Dan Sheadel @tekdemo]

@FrancoisGervai2 @oshpark We'd need to see the files on this one. Just send em to [email protected]. It's likely a result of a ground pour generating thermals combined with some odd rounding/rasterization effects.

[Dan Sheadel @tekdemo]

@RWB93174525 @oshpark Oh yikes, sorry about that. This doesn't happen often, and indicates a fab inspection failure. Usually we pull them out and notify you, but sometimes we'll miss one. Shoot us an email, we'll get you sorted out.

[Dan Sheadel @tekdemo]

@RWB93174525 @oshpark @FrancoisGervai2 @OSHStencils Generally speaking, castellations work fine, but almost always are imperfect and need cleanup to some degree. This is why we allow them, but don't offer support for them.

[Dan Sheadel @tekdemo]

@RWB93174525 @oshpark @FrancoisGervai2 @OSHStencils In this case, it's likely our drill detection and trimming processes fighting each other, and having coordinates not rounding in your favor. Using a round hole, or pulling the hole inward a few mil will help. This is noted here:
https://t.co/MzR6hNWHwj

[Dan Sheadel @tekdemo]

@davedarko @oshpark FYI! This is now live. :)

[Dan Sheadel @tekdemo]

@davedarko @oshpark Yep! Our dev's looking into this, along with a couple other small changes to the shared projects section. It'll happen eventually. :)