- Replaced voltage reference with low IZT 5V6 zener diode (cheaper but increases power consumption on the eBus side by ~200uA)
- C2/C4 changed to 10u
- R6/R7 adjusted for ~5V VCC
- AZV3002 as replacement for TSX3702
- USB Type-B port replaced by Type-C port
- ESC protection for USB port
- Phoenix Contact MKDSN connector replaced by MSTBA