diff --git a/.DS_Store b/.DS_Store
index 9f1340f..819ddfe 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/USB_Joystick/README.md b/USB_Joystick/README.md
index cad616e..c653258 100644
--- a/USB_Joystick/README.md
+++ b/USB_Joystick/README.md
@@ -1,5 +1,9 @@
-_Tested with generic USB gamepad:_
-http://www.amazon.com/gp/product/B002NQ4820
+_Tested and works with the following USB gamepads:_
+- PS3-style generic http://www.amazon.com/gp/product/B002NQ4820 
+- Super Nintendo generic http://www.amazon.com/gp/product/B002JAU20W
+
+_Will NOT work with the following:_
+- PS3 Sixaxis Dualshock. The Dualshock draws too much power (300mA), since it charges the battery over USB.
 
 
 Plug and Play