540 B
540 B
Legacy HW wiki here: https://rusefi.com/wiki/index.php?title=Manual:Hardware_Frankenso_board
Q: Why three USB connectors?
A: https://rusefi.com/forum/viewtopic.php?f=4&t=1418
Pinouts
https://rusefi.com/wiki/index.php?title=Vehicle:Mazda_Miata_2003
https://rusefi.com/wiki/index.php?title=Vehicle:Mazda_Miata_2003_alt
red 2003 VVT test mule Miata NB2 #27