diff --git a/creality-ender3/Marlin-2.1.2.4/Marlin/Configuration.h b/creality-ender3/Marlin-2.1.2.4/Marlin/Configuration.h
index eb93ea9..f7d08b0 100644
--- a/creality-ender3/Marlin-2.1.2.4/Marlin/Configuration.h
+++ b/creality-ender3/Marlin-2.1.2.4/Marlin/Configuration.h
@@ -1301,15 +1301,19 @@
 // See https://marlinfw.org/docs/configuration/probes.html
 //
 
+//
+// MBO: BLTouch 5 pins connector tutorial : https://www.youtube.com/watch?v=qK5ThhZEKw0
+//
+
 /**
  * Enable this option for a probe connected to the Z-MIN pin.
  * The probe replaces the Z-MIN endstop and is used for Z homing.
  * (Automatically enables USE_PROBE_FOR_Z_HOMING.)
  */
-#define Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN
+//#define Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN  // MBO: disable
 
 // Force the use of the probe for Z-axis homing
-//#define USE_PROBE_FOR_Z_HOMING
+#define USE_PROBE_FOR_Z_HOMING  // MBO: enable
 
 /**
  * Z_MIN_PROBE_PIN
@@ -1324,7 +1328,7 @@
  *    - Normally-closed (NC) also connect to GND.
  *    - Normally-open (NO) also connect to 5V.
  */
-//#define Z_MIN_PROBE_PIN -1
+#define Z_MIN_PROBE_PIN PC14  // MBO: SKR Mini E3 v2
 
 /**
  * Probe Type