I often just spin a $5 JLC EVM of my own when manufacturers charge too much for theirs. EVM schematics are usually available to clone. Normally, I can also tes

I often just spin a $5 JLC EVM of my own when manufacturers charge too much for theirs. EVM schematics are usually available to clone. Normally, I can also test a domain-specific subcircuit or two in my "EVM" as well with no added design risk.