diff --git a/src/servo.py b/src/servo.py
new file mode 100644
index 0000000..a541c5f
--- /dev/null
+++ b/src/servo.py
@@ -0,0 +1,32 @@
+import machine
+import time
+import sys
+
+servo_pin = machine.Pin(15)  
+pwm = machine.PWM(servo_pin)
+pwm.freq(50)
+
+def set_angle(angle):
+    pulse_us = 1000 + (angle / 180) * 1000
+    duty = int((pulse_us / 20000) * 65535)
+    pwm.duty_u16(duty)
+
+def move_servo_smoothly(start_angle, end_angle, step=1, delay=0.02):
+    if start_angle < end_angle:
+        for angle in range(start_angle, end_angle + 1, step):
+            set_angle(angle)
+            time.sleep(delay)
+    else:
+        for angle in range(start_angle, end_angle - 1, -step):
+            set_angle(angle)
+            time.sleep(delay)
+
+def open_door():
+    move_servo_smoothly(0, 180, step=2, delay=0.03)
+    time.sleep(5) 
+    move_servo_smoothly(180, 0, step=2, delay=0.03)
+
+while True:
+    command = sys.stdin.readline().strip()
+    if command == "run":
+        open_door()
\ No newline at end of file