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+Q: How to select a board?
+
+A: History shows that fully assembled boards are the safest way to start. History shows
+that 80% of the kits are never assembled. As of March 2020 we have many assembled microRusEfi and
+very remaining old stock assembled Frankenso. New fabrication of assembled Frankenso is
+currently not planned.
+
+Q: What else matters?
+
+A: Types and total count of crank and camshaft positions sensors is the next
+important question. microRusEfi unfortunately only supports one VR shaft input maximum with two inputs total. 
+
+Frankenso supports up to 2 VR or 2 Hall shaft position sensors. Prometheus supports TBD. Proteus supports TBD.
+
+
+
+See also https://rusefi.com/wiki/index.php?title=Hardware:Boards_Comparison
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