I want to ask, what is the smallest viable via size (radius and hole size) that I can use? I want to used an esp pico d4 with multi layer vias has anyone ever done this?
Thanks in advance
Gus
If you are using JLCPCB to fab your PCBs then check out:
[https://jlcpcb.com/capabilities/Capabilities](https://jlcpcb.com/capabilities/Capabilities)<br>
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Otherwise refer to your chosen PCB fab house design rules.
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