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+====== GCA141c The sensor and emittor board. ======
+[[english|{{  rocrail-logo-35.png}}]]
+[[english|Content]] -> [[hardware-en|Hardware]] -> [[hardware-en#interfaces|GCA]]
+  *  [[mgv-overview-en|The GCA modules]]
+ \\
+^^^^By Peter Giling ^^^^
+| {{:mgv:hardware:gca141c_pict_01.jpg?600}} |   IR led, not on this picture,   \\   should be connected to J2   \\  The 5 pin connector is conncted to GCA133 or GCA141  | \\
+To avoid any problems on longer connections between sensor and GCA133 or GCA141 board, the sensor is mounted on a little driver board.\\
+In case of use for GCA141 wheelcounter, the outside of IRled , positioned between the rail, is liable to be short circuited to the rails by train wheels.\\
+Precausions have been made to avoid that ths will cause damage to the IR-led, or any other parts in the system.\\
+Extra power filter is on-board, to make sure the sensor is working according specifications.\\
+The IR led can be connected to J2, or can be mounted straight on board, instead of J2
+\\
+===== Hardware of sensor and emittor board GCA141-c=====
+|{{:mgv:hardware:mgv141-c_sch.pdf|The schematics}}|
+|{{:mgv:hardware:mgv141-c_pcb.pdf|The Pcboard and parts positions}}|
+|{{:mgv:hardware:GCA141-c_parts.pdf|The bill of materials}}|
+^N.B. Self made pc-boards are not supported! ^
+\\
+\\