# Abse - @Seve what should we do about vias in cr...

Channel: #contributor
Source: https://discord.com/channels/1233487248129921135/1546617658441732146
Started: 2026-09-07T20:26:24.906000+00:00
Last activity: 2026-09-07T22:37:34.857000+00:00

## Abse — 2026-09-07T20:26:24.539000+00:00

<@757706909351411845> what should we do about vias in crystal traces ?

## shibo — 2026-09-07T20:47:37.435000+00:00

imo we should detect traces connected to crystals and warn if it has vias

## shibo — 2026-09-07T20:47:50.567000+00:00

<@757706909351411845> wdyt?

## shibo — 2026-09-07T20:48:05.243000+00:00

<@398467566588264449> maybe you'd be interested in implementing impedence matching

## Seve — 2026-09-07T20:48:34.512000+00:00

i think we already do this

## Seve — 2026-09-07T20:48:42.915000+00:00

but there are just a ton of things that can go wrong

## Seve — 2026-09-07T20:48:45.877000+00:00

so it needs refinement

## Seve — 2026-09-07T20:49:04.549000+00:00

e.g. the crystals, if they aren't using crystal elements, need to have a warning to tell the user to use crystal elements

## Seve — 2026-09-07T21:00:16.671000+00:00

we should honestly like block autorouting if the crystal paths aren't planned

## Seve — 2026-09-07T21:00:31.077000+00:00

the crystal path is really bad on this one too
Attachment: HRpEbJabMAAdeb2.png — https://community.tscircuit.com/media/1546626241719832606

## Seve — 2026-09-07T21:00:41.820000+00:00

otherwise this board is like pretty sweet

## Seve — 2026-09-07T21:00:52.233000+00:00

even the usb is somehow impedance matched(!)

## Abse — 2026-09-07T22:19:36.907000+00:00

<@757706909351411845> first pr https://github.com/tscircuit/checks/pull/272

## Seve — 2026-09-07T22:36:51.441000+00:00

what does that pr do?

## Seve — 2026-09-07T22:37:28.904000+00:00

it looks like it actually does the opposite of what you want

## Seve — 2026-09-07T22:37:34.857000+00:00

it reduces it from an error to a warning?