diff --git a/config/mcu_definitions/main/BTT_SKR_E3mini_v2.cfg b/config/mcu_definitions/main/BTT_SKR_E3mini_v2.cfg
index 60394f519..48df38d46 100644
--- a/config/mcu_definitions/main/BTT_SKR_E3mini_v2.cfg
+++ b/config/mcu_definitions/main/BTT_SKR_E3mini_v2.cfg
@@ -22,3 +22,10 @@ aliases:
     MCU_PROBE=PC14 ,
 
     MCU_NEOPIXEL=PA8 ,
+
+    # EXP1 header
+    EXP1_1=<5V>  , EXP1_2=<GND> ,
+    EXP1_3=PB15  , EXP1_4=PB8   ,
+    EXP1_5=PB9   , EXP1_6=PA10  ,  # Key in the socket on this side
+    EXP1_7=<RST> , EXP1_8=PA9   ,
+    EXP1_9=PA15  , EXP1_10=PB5  ,
diff --git a/config/mcu_definitions/main/BTT_SKR_Mini_E3_v3.cfg b/config/mcu_definitions/main/BTT_SKR_E3mini_v3.cfg
similarity index 96%
rename from config/mcu_definitions/main/BTT_SKR_Mini_E3_v3.cfg
rename to config/mcu_definitions/main/BTT_SKR_E3mini_v3.cfg
index 9bc434ef2..edaf0dde8 100644
--- a/config/mcu_definitions/main/BTT_SKR_Mini_E3_v3.cfg
+++ b/config/mcu_definitions/main/BTT_SKR_E3mini_v3.cfg
@@ -28,4 +28,4 @@ aliases:
     EXP1_3=PD6   , EXP1_4=PB8   ,
     EXP1_5=PB9   , EXP1_6=PA10  ,  # Key in the socket on this side
     EXP1_7=<RST> , EXP1_8=PA9   ,
-    EXP1_9=PA15  , EXP1_10=PB5  ,
\ No newline at end of file
+    EXP1_9=PA15  , EXP1_10=PB5  ,
diff --git a/user_templates/mcu_defaults/main/BTT_SKR_E3mini_v2.cfg b/user_templates/mcu_defaults/main/BTT_SKR_E3mini_v2.cfg
index 635e77b86..f20e5f612 100644
--- a/user_templates/mcu_defaults/main/BTT_SKR_E3mini_v2.cfg
+++ b/user_templates/mcu_defaults/main/BTT_SKR_E3mini_v2.cfg
@@ -1,6 +1,6 @@
 
 #----------------------------------------#
-#### BTT SKR miniE3 V2 definition ########
+#### BTT SKR Mini E3 V2 definition #######
 #----------------------------------------#
 
 [mcu]
@@ -12,10 +12,12 @@ serial: /dev/serial/by-id/change-me-to-the-correct-mcu-path
 [board_pins xye_SKR_mcu]
 mcu: mcu
 aliases:
-    X_STEP=MCU_XM_STEP , X_DIR=MCU_XM_DIR , X_ENABLE=MCU_XM_ENABLE , X_TMCUART=MCU_XM_UART ,
-    Y_STEP=MCU_YM_STEP , Y_DIR=MCU_YM_DIR , Y_ENABLE=MCU_YM_ENABLE , Y_TMCUART=MCU_YM_UART ,
-    Z_STEP=MCU_ZM_STEP , Z_DIR=MCU_ZM_DIR , Z_ENABLE=MCU_ZM_ENABLE , Z_TMCUART=MCU_XM_UART ,
-    E_STEP=MCU_EM_STEP , E_DIR=MCU_EM_DIR , E_ENABLE=MCU_EM_ENABLE , E_TMCUART=MCU_EM_UART ,
+    X_STEP=MCU_XM_STEP , X_DIR=MCU_XM_DIR , X_ENABLE=MCU_XM_ENABLE ,
+    Y_STEP=MCU_YM_STEP , Y_DIR=MCU_YM_DIR , Y_ENABLE=MCU_YM_ENABLE ,
+    Z_STEP=MCU_ZM_STEP , Z_DIR=MCU_ZM_DIR , Z_ENABLE=MCU_ZM_ENABLE ,
+    E_STEP=MCU_EM_STEP , E_DIR=MCU_EM_DIR , E_ENABLE=MCU_EM_ENABLE ,
+
+    TMCUART=MCU_TMCUART , TMCTX=MCU_TMCTX , 
 
     X_STOP=MCU_XSTOP , Y_STOP=MCU_YSTOP , Z_STOP=MCU_ZSTOP ,
     RUNOUT_SENSOR=MCU_E0STOP ,
@@ -27,5 +29,27 @@ aliases:
     PART_FAN=MCU_FAN0 , E_FAN=MCU_FAN1 ,
 
     STATUS_NEOPIXEL=MCU_NEOPIXEL ,
-    LIGHT_NEOPIXEL=MCU_NEOPIXEL  ,
+    # LIGHT_NEOPIXEL=MCU_NEOPIXEL  ,
+
+
+[tmc2209 stepper_x]
+uart_pin: TMCUART
+tx_pin: TMCTX
+uart_address: 0
+
+[tmc2209 stepper_y]
+uart_pin: TMCUART
+tx_pin: TMCTX
+uart_address: 2
+
+[tmc2209 stepper_z]
+uart_pin: TMCUART
+tx_pin: TMCTX
+uart_address: 1
+
+# comment this section if you are using a toolhead with own mcu
+[tmc2209 extruder]
+uart_pin: TMCUART
+tx_pin: TMCTX
+uart_address: 3
 
diff --git a/user_templates/mcu_defaults/main/BTT_SKR_Mini_E3_v3.cfg b/user_templates/mcu_defaults/main/BTT_SKR_E3mini_v3.cfg
similarity index 91%
rename from user_templates/mcu_defaults/main/BTT_SKR_Mini_E3_v3.cfg
rename to user_templates/mcu_defaults/main/BTT_SKR_E3mini_v3.cfg
index cf1da938b..d327650b3 100644
--- a/user_templates/mcu_defaults/main/BTT_SKR_Mini_E3_v3.cfg
+++ b/user_templates/mcu_defaults/main/BTT_SKR_E3mini_v3.cfg
@@ -8,7 +8,7 @@
 serial: /dev/serial/by-id/change-me-to-the-correct-mcu-path
 ##--------------------------------------------------------------------
 
-[include config/mcu_definitions/main/BTT_SKR_Mini_E3_v3.cfg] # Do not remove this line
+[include config/mcu_definitions/main/BTT_SKR_E3mini_v3.cfg] # Do not remove this line
 [board_pins SKR_mini_e3_mcu]
 mcu: mcu
 aliases:
@@ -29,6 +29,8 @@ aliases:
     PART_FAN=MCU_FAN0 , E_FAN=MCU_FAN1 , CONTROLLER_FAN=MCU_FAN2 ,
 
     STATUS_NEOPIXEL=MCU_NEOPIXEL ,
+    # LIGHT_NEOPIXEL=MCU_NEOPIXEL  ,
+
 
 [tmc2209 stepper_x]
 uart_pin: TMCUART
@@ -50,3 +52,4 @@ uart_address: 1
 uart_pin: TMCUART
 tx_pin: TMCTX
 uart_address: 3
+