How to install software on the board
Assemble guide
Miner control boards received
Not perfect but acceptable. Too much solder, it doesn’t look cool, but does not interfere with work 
BPF: LPF:
Completely assembled, but…
2 ADCs (only one with LNA), 4 layers board, not tested yet: https://oshwlab.com/neuroworker/redqmtechadc