diff --git a/Motion_Sensor_Bat/bat0.wav b/Motion_Sensor_Bat/bat0.wav
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diff --git a/Motion_Sensor_Bat/bat1.wav b/Motion_Sensor_Bat/bat1.wav
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diff --git a/Motion_Sensor_Bat/bat2.wav b/Motion_Sensor_Bat/bat2.wav
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diff --git a/Motion_Sensor_Bat/code.py b/Motion_Sensor_Bat/code.py
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+++ b/Motion_Sensor_Bat/code.py
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+# SPDX-FileCopyrightText: Copyright (c) 2024 Liz Clark for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
+import board
+import audiocore
+import audiobusio
+import audiomixer
+import pwmio
+from digitalio import DigitalInOut, Direction, Pull
+from adafruit_ticks import ticks_ms, ticks_add, ticks_diff
+from adafruit_motor import servo
+import adafruit_vl53l1x
+
+distance_delay = 4 # how often vl53 is read
+servo_delays = [2.0, 1.5, 1.0, 0.5] # servo spin delay
+distances = [70, 50, 40, 50] # in centimeters
+max_audio = 1
+# audio files
+music = audiocore.WaveFile(open("music-loop-1.wav", "rb"))
+fx_1 = audiocore.WaveFile(open("bat0.wav", "rb"))
+fx_2 = audiocore.WaveFile(open("bat1.wav", "rb"))
+fx_3 = audiocore.WaveFile(open("bat2.wav", "rb"))
+
+i2c = board.STEMMA_I2C()
+vl53 = adafruit_vl53l1x.VL53L1X(i2c)
+
+tracks = [music, fx_1, fx_2, fx_3]
+audio = audiobusio.I2SOut(board.I2S_BIT_CLOCK, board.I2S_WORD_SELECT, board.I2S_DATA)
+mixer = audiomixer.Mixer(voice_count=4, sample_rate=22050, channel_count=1,
+                         bits_per_sample=16, samples_signed=True)
+audio.play(mixer)
+mixer.voice[0].play(tracks[0], loop=True)
+mixer.voice[0].level = 0.0
+
+# enable external power pin
+# provides power to the external components
+external_power = DigitalInOut(board.EXTERNAL_POWER)
+external_power.direction = Direction.OUTPUT
+external_power.value = True
+
+switch = DigitalInOut(board.EXTERNAL_BUTTON)
+switch.direction = Direction.INPUT
+switch.pull = Pull.UP
+
+# servo control
+pwm = pwmio.PWMOut(board.EXTERNAL_SERVO, duty_cycle=2 ** 15, frequency=50)
+servo = servo.ContinuousServo(pwm, min_pulse=750, max_pulse=2250)
+
+vl53.start_ranging()
+
+vl53_clock = ticks_ms()
+vl53_time = distance_delay * 1000
+servo_clock = ticks_ms()
+servo_time = int(servo_delays[0] * 1000)
+prop_time = False
+servo_throttle = 0
+
+while True:
+    if switch.value:
+        external_power.value = True
+        if prop_time:
+            if ticks_diff(ticks_ms(), servo_clock) >= servo_time:
+                print(servo_throttle)
+                servo.throttle = servo_throttle
+                servo_throttle = not servo_throttle
+                servo_clock = ticks_add(servo_clock, servo_time)
+        if ticks_diff(ticks_ms(), vl53_clock) >= vl53_time:
+            if vl53.data_ready:
+                print(f"Distance: {vl53.distance} cm")
+                vl53.clear_interrupt()
+            if vl53.distance is None:
+                prop_time = False
+                mixer.voice[0].level = 0.0
+                servo_time = int(servo_delays[0] * 1000)
+                servo.throttle = 1.0
+            else:
+                closest_distance = min(distances, key=lambda x: abs(vl53.distance - x))
+                # print(closest_distance)
+                if vl53.distance <= distances[0]:
+                    prop_time = True
+                    mixer.voice[0].level = max_audio
+                else:
+                    prop_time = False
+                    mixer.voice[0].level = 0.0
+                    servo.throttle = 1.0
+                if closest_distance == distances[1]:
+                    mixer.voice[1].play(tracks[1], loop=False)
+                    servo_time = int(servo_delays[1] * 1000)
+                elif closest_distance == distances[2]:
+                    mixer.voice[2].play(tracks[2], loop=False)
+                    servo_time = int(servo_delays[2] * 1000)
+                elif closest_distance == distances[3]:
+                    mixer.voice[3].play(tracks[3], loop=False)
+                    servo_time = int(servo_delays[3] * 1000)
+            vl53_clock = ticks_add(vl53_clock, vl53_time)
+    else:
+        external_power.value = False
diff --git a/Motion_Sensor_Bat/music-loop-1.wav b/Motion_Sensor_Bat/music-loop-1.wav
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index 000000000..cb7c40f76
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