Pass HPA-1, what do we know?

Hello Birdbox,

What do you have, pls send a list and prices PM.

If you have latest schematic, PCB drawing (V3 is latest? from Jeff), corresponding BOM list, it is appreciated as well.
I started the forum "what do we know", downloaded first and second (revised) schemata and after some pages I jumped to the end, what is the latest news.
So, I am not familiar, what changes are made.
And, what do you know about parts that are already not manufactured? changing newer parts?

You know, if it is hard but possible, I start this project (I mean if main parts (semiconductors?) are available somehow). But, for this, some evaluation is missing.

Waiting for your reply,
Thank you!
 
Not sure why your PM didn't work. I posted the PCBs procured from JLCPCB in the swap meet.

I have 4 sets on hand currently and wish to use one for my own build. Others have indicated replacement options for the unobtainable parts. I have FQP MOSFETs to share as well as the PSU darlington replacements. Beyond that I'm as clueless as you are and need to figure it all out.