# modules
from picozero import Servo  # importing Servo class to easily control the servo motor
from time import sleep
from machine import Pin

# creating a Servo object
servo = Servo(18)

# push buttons left and right
push_bt_left = Pin(16, Pin.IN, Pin.PULL_UP)
push_bt_right = Pin(17, Pin.IN, Pin.PULL_UP)

# swinging the servo arm to its mid position
servo.mid()

# continuously swing the servo arm to min, mid, and max positions (for a duration of 1 sec each)
while True:
    # swinging the servo arm to its min and max position

    if (push_bt_left.value() == 0):
        #wait for button to be relased
        while (push_bt_left.value() == 0):
            sleep(0.05)
        servo.value = servo.value-0.05
        sleep(0.01)
 
    if (push_bt_right.value() == 0):
        #wait for button to be relased
        while (push_bt_right.value() == 0):
            sleep(0.05)
        servo.value = servo.value+0.05
        sleep(0.01)
    sleep(0.5)