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Add description of how of change select pins

James Bowman 6 years ago
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      README.md

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README.md

@@ -30,3 +30,9 @@ After calling ``GD.begin()`` you can set the scanout registers for 800x480 like
 **How do I use GD with an 320x480 display?**
 
 There is a writeup here: http://excamera.com/sphinx/article-ili9488.html
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+**How do I change the select pin assignments?**
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+For the GPU select, modify ``#define CS`` at the start of ``transports/wiring.h``
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+For the microSD select, modify ``#define SD_PIN`` at the start of ``GD2.cpp``