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--- gca102-en [2019/03/27 10:19] – [Remarks on GCA102v3 used with hall sensors] peter_basti
+++ gca102-en [2020/04/22 19:06] – [Remarks on GCA102v3 used with hall sensors] phg
@@ Line 141: / Line 141: @@
 Board needs 5Volt supply to pin1&2 of J2, and pin3 and 4 are control inputs.\\
 See partslist for GCA102V3\\
-hall sensor should be positioned on both sides of both rail separation cuts., with a distance so,\\
+Hall sensors should be positioned at each side of both rail separation cuts., with a distance so,\\
-that a hall sensor is activated BEFORE first wheels are approaching the rail cuts.\\
+that one of these hall sensors is activated BEFORE first wheels are touching the rail cuts.\\
-{{:gca:gca102v3_cur_det_parts.pdf|See this drawing}}
+H1 and H2 are positioned at both sides of separation cut left,\\
+H3 and H4 are positioned at both sides of the other separation.\\