Corecting the Servo Motor Problem - www.ArnabKumarDas.com

Author: arnabdasbwn

examples/grblUpload/grblUpload.ino

@@ -1,8 +1,11 @@
 /***********************************************************************
-This sketch compiles and uploads grbl-coreXY-servo to your 328p-based Arduino! 
+This sketch compiles and uploads Grbl to your 328p-based Arduino! 
+
+www.ArnabKumarDas.com 
+http://www.arnabkumardas.com/topics/cnc/how-to-make-an-arduino-drawing-machine/ 
 
 To use:
-- First make sure you have imported grbl-coreXY-servo source code into your Arduino
+- First make sure you have imported Grbl source code into your Arduino
   IDE. There are details on our Github website on how to do this.
 
 - Select your Arduino Board and Serial Port in the Tools drop-down menu.
@@ -12,7 +15,7 @@ To use:
 - Then just click 'Upload'. That's it!
 
 For advanced users:
-  If you'd like to see what else grbl-coreXY-servo can do, there are some additional
+  If you'd like to see what else Grbl can do, there are some additional
   options for customization and features you can enable or disable. 
   Navigate your file system to where the Arduino IDE has stored the Grbl 
   source code files, open the 'config.h' file in your favorite text 

spindle_control.c

@@ -25,8 +25,8 @@
 
 #include "grbl.h"
 
-#define RC_SERVO_SHORT     15       // Timer ticks for 0.6ms pulse duration  (9 for 0.6ms)
-#define RC_SERVO_LONG      32       // Timer ticks for 2.5 ms pulse duration  (39 for 2.5ms)     
+#define RC_SERVO_SHORT     25       // Timer ticks for 0.6ms pulse duration  (9 for 0.6ms)
+#define RC_SERVO_LONG      39       // Timer ticks for 2.5 ms pulse duration  (39 for 2.5ms)     
 //#define RC_SERVO_INVERT     1     // Uncomment to invert servo direction