N5BOC

N5BOC MMDVM DOCUMENTATION

Link to Schematic of DUPLEX board

Link to SETUP instructions for DUPLEX board

Link to LED definition of DUPLEX board

Link to How to Update FIRMWARE on Either SIMPLEX or DUPLEX boards

Link to BlueTooth LE and Serial Interface board setup instructions

Link to AMBE Hardware Encoder design files

 

Link to LSDV3000 Setup

Link to USB Stick Setup

Links to help answer Questions:

OLED display:  The important thing is to not get the wrong pinout.   The correct display will have  VDD pin on the outside.  GND will be the next pin over.
Here is a display known to work: 
0.96 inch display on Amazon

GENERAL LINKS:
A very good site that covers all things MMDVM related
amateurradionotes.com

Another good site on setting up a hotspot
nerd.wtf/hamradio