Havent gotten a reply to this in almost 2 weeks so not sure it got through.
PreenFM Shop
Your message has been correctly sent to our Customer Service.
Your message: just wondering about building a preenfm2 from PCB and sourcing my own parts. What can we use for the MCU since your preflashed boards are not in stock? Also when will metal cases be in stock again?
Thanks!
We will answer as soon as possible.