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+====== GCA185 Arduino Shield for LocoIo  (LocoNet compatible) ======
+[[english|{{  rocrail-logo-35.png}}]]
+[[english|Content]] -> [[hardware-en|Hardware]] -> [[hardware-en#arduino_uno_locoio_shield|GCA]]
+  *  [[mgv-overview-en|The GCA modules]]
+ \\
+^^^^By Peter Giling ^^^^
+===== Introduction =====
+Dani Guisado in Barcelona ( http://www.clubncaldes.com ) found firmware to make an Arduino Uno function as a LocoIo module.\\
+With addional work within this firmware, he changed that to make it act like a GCA50\\
+But of course a small interface was needed to adapt to the LocoIo invironment.\\
+He started the experiments by using a modified GCA50 as an interface, and that prooved to be fine.\\
+So I made this shield for Arduino Uno, and provided it to Dani as a base of further experiments.\\
+You can read the results of that on his web-site.\\
+This board is now available in the same quality as you are used to from GCA.\\
+And making it function like a LocoIO module, it again expands the always growing possibilities of Rocrail.\\
+===== The prototype =====
+|  {{:gca:gca185_pict01.png}}  |  {{:gca:gca185_pict04.png?0x360}}  |
+|  The first prototype has been seriously tested in Spain.  \\  (and prooven allright)  |  The professional board is available now!  |
+|  {{:gca:gca185_pict05.png}}  ||
+|  The LNet shield with its motherboard  ||
+===== The hardware =====
+|  {{:gca:gca185_sch.pdf|Schematic drawing}}  |
+|  {{:gca185_pcb.pdf|The pc-board and parts positions}}  |
+|  {{:gca:gca185_gerber.zip|The pcboard in Gerber}}  |
+|  {{:gca:gca185_parts.pdf|Bill of materials}}  |
+^ N.B. Only complete ordered kits will be supported! ^
+===== Jumpers =====
+The two jumpers onboard are used to specify where power for the GCA185 and the underlying Arduino Uno is coming from.\\
+Basicly, GCA185 is supplied with 12V from LocoNet bus.\\
+If Arduino Uno should also be supplied that way, there are two options.:\\
+^  Jumper  ^  position  ^  Task  ^  remark  ^
+|  JP1  |  installed  |  12 Volt going to Vin of Arduino Uno  |  Arduino Uno does not need any further supply  |
+|  JP1  |  not installed  |  VIN of Arduino is not connected to GCA185  |  |
+|  |  |  |  |
+|  JP2  |  installed  |  5 Volt from VR1 is used to supply GCA185  |  Arduino Uno does not need any further supply  |
+|  JP2  |  not installed  |  5 V  for GCA185 comes from Arduino Uno  |   Supply from VR1 is only used for  J5 and J6 interface connectors. |
+Further questions?  Ask [[peter.giling@rocrail.net|Peter]].
+\\
+===== Firmware for Arduino =====
+{{:gca:locoino.zip|The Arduino Uno sketch}}\\
+More info about this development can be found at  http://www.clubncaldes.com.
+\\