云台驱动程序

import RPi.GPIO as GPIO
import time

GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
GPIO.setup(18, GPIO.OUT)
GPIO.setup(23, GPIO.OUT)

servo1 = GPIO.PWM(18, 50)
servo1.start(0)
servo2 = GPIO.PWM(23, 50)
servo2.start(0)

try:
    while True:
        for dc in range(-5,60,5):
              i = 7.5+dc*10/180
              servo1.ChangeDutyCycle(i)
              servo2.ChangeDutyCycle(i)
              print(i)
              time.sleep(0.5)
        for dc in range(55,-10,-5):
              i = 7.5+dc*10/180
              servo1.ChangeDutyCycle(i)
              servo2.ChangeDutyCycle(i)
            print(i)
            time.sleep(0.5)
except KeyboardInterrupt:
        pass

servo1.stop()
servo2.stop()
GPIO.cleanup()