diff --git a/42100 Model C - Tracked Carrier by Nico71 (MOC-105180)/main_rear.py b/42100 Model C - Tracked Carrier by Nico71 (MOC-105180)/main_rear.py
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+++ b/42100 Model C - Tracked Carrier by Nico71 (MOC-105180)/main_rear.py	
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+################################################################################
+#                                                                              #
+#        pybricks script for 42100 Model C - Tracked Carrier by Nico71         #
+#                       This script is for the rear hub                        #
+#                                                                              #
+# This script enables the LEGO® Powered Up Technic Hub to be used with the     #
+# LEGO® Powerd UP 88010 Remote.                                                #
+#                                                                              #
+# Configuration of the Technic Hub:                                            #
+#   Port A: Drive motor                                                        #
+#   Port B: Not used                                                           #
+#   Port C: Drive motor                                                        #
+#   Port D: Drive motor                                                        #
+#                                                                              #
+################################################################################
+# Rebrickable: https://rebrickable.com/mocs/MOC-105180/                        #
+################################################################################
+#                                                                              #
+#                                   Changelog                                  #
+#                                                                              #
+################################################################################
+# v0.0.0 09-07-2022                                                            #
+#   First version.                                                             #
+################################################################################
+
+from pybricks.pupdevices import Motor, Remote
+from pybricks.parameters import Port, Direction, Stop, Button, Color
+from pybricks.hubs import TechnicHub
+from pybricks.tools import wait
+
+# Initialize the motors.
+drive_1 = Motor(Port.A, Direction.CLOCKWISE)
+outriggers = Motor(Port.C, Direction.CLOCKWISE)
+drive_3 = Motor(Port.D, Direction.CLOCKWISE)
+
+# Connect to the remote.
+remote = Remote()
+
+# Initialize the hub.
+hub = TechnicHub()
+
+# Battery variables
+voltage_current = hub.battery.voltage()
+voltage = voltage_current
+
+while True:
+    # Check which buttons are pressed.
+    pressed = remote.buttons.pressed()
+
+    drive_1_speed = 0
+    outriggers_speed = 0
+    drive_3_speed = 0
+
+    # Choose the drive speed based on the top controls.
+    if Button.LEFT_PLUS in pressed:
+        drive_1_speed = 100
+    elif Button.RIGHT_PLUS in pressed:
+        drive_1_speed = -100
+
+    # Choose the drive speed based on the middle controls.
+    if Button.LEFT in pressed:
+        outriggers_speed = 100
+    elif Button.RIGHT in pressed:
+        outriggers_speed = -100
+
+    # Choose the drive speed based on the bottom controls.
+    if Button.LEFT_MINUS in pressed:
+        drive_3_speed = 100
+    elif Button.RIGHT_MINUS in pressed:
+        drive_3_speed = -100
+
+    drive_1.dc(drive_1_speed)
+    outriggers.dc(outriggers_speed)
+    drive_3.dc(drive_3_speed)
+
+    # Show battery status by hub LED.
+    # Get current voltage and gradually up or down the value.
+    voltage_current = hub.battery.voltage()
+    if voltage_current < voltage:
+        voltage -= 1
+    elif voltage_current > voltage:
+        voltage += 1
+    # Show the correct color.
+    if voltage > 9000:
+        hub.light.on(Color.GREEN)
+    elif voltage > 8100:
+        hub.light.on(Color.YELLOW)
+    elif voltage > 7200:
+        hub.light.on(Color.ORANGE)
+    else:
+        hub.light.on(Color.RED)
+
+    # Wait.
+    wait(10)