diff --git a/config.ini b/config.ini
index dff2d75..564b40d 100644
--- a/config.ini
+++ b/config.ini
@@ -14,3 +14,10 @@ build_flags =
     -D MONITOR_SPEED=${config.monitor_speed}
 ; DO NOT TOUCH --- END
     -D WAITING_WIFI_DELAY=1000
+
+    ;;;;;;;;;;;;;;;;;;;;;;
+    ;;; stepper config ;;;
+    ;;;;;;;;;;;;;;;;;;;;;;
+    -D STEPER_ACC=50
+    -D STEPER_PAS=755.906
+    -D STEPER_SPEED=100