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--- gca79-en [2025/02/28 01:12] – created - external edit 127.0.0.1
+++ gca79-en [2025/10/26 12:20] (current) – [hardware] phg
@@ Line 125: / Line 125: @@
 ===== power supply =====
 The necessary 5V for this board comes via I/O1 connector.\\
-Power for the turnout coils: use standard 16V ac transformer.\\
+New development GCA79v4 in development, also useable for 3.3V WIO systems.
+Power for the turnout coils: use standard 16V 30VA ac transformer.\\
 ===== hardware =====
-^  The GCA79 is developed with KICAD   ^
+^  The GCA79v3 is developed with KICAD   ^
-|  {{ :gca:gca79-v4-sch.pdf |Schematic drawing}}  |
+|  |Schematic drawing}}  |
-|  {{ :gca:gca79-v4-silkscreen.pdf |PCB with parts postions}}  |
+|  {{ :gca:gca79v3_silkscreen.pdf |PCB with parts postions}}  |
-|  {{ :gca:gca79_v4_parts.pdf |Bill of materials}}  |
+|  {{ :gca:gca79v3_bill_of_materials.pdf |Bill of materials}}  |
-|  {{ :gca:gca79-v4-p_gerber.zip |  the Gerber file  }}  |
+|  {{ :gca:gca79v3_gerber.zip |  the Gerber file  }}  |
+^  The new version GCA79_v4 is ready,  \\  also 100% ready for use with WIOxx  ^
+|  {{ :gca:gca79-v4-sch.pdf | The GCA79v4 schematic}}  |
+|  {{ :gca:gca79_v4_parts.pdf |  partslist for GCA79v4}}  |
+|  {{ :gca:gca79-v4-silkscreen.pdf | the pcb with parts indication}}  |
+|  {{ :gca:gca79v4_gerber.zip |the GCA79_v4 Gerber files}}  |
+\\
+\\
+^      Housing is only for DIY 3D printing.  ^
+|  {{ :gca:gca79v4_box.zip |  Box and cover for GCA79v4}}  |
 \\
 ===== firmware =====
 ^  The very simple firmware for the PIC processor is created with PicSimulator IDE from Oshonsoft.  ^
-|  {{ :gca:firmware:gca79_firmware.zip  |  the PicSimulator files, including the *.hex file.}}  |
+|  {{ :gca:gca79.zip |the PicSimulator files, including the *.hex file.}}  |