JLCPCB
Low-cost PCB fabrication and assembly with a large in-house parts library.
Best for: Circuit boards from KiCad, small assembly runs
Pros
- Very low prototype prices
- Assembly service with stocked parts
- KiCad-friendly output
Cons
- Shipping time and customs from China
Where it fits in the playbook
Pricing, lead times and features change often. Check the provider's site for current details.