必须是sg90s 金属齿轮的
塑料sg90不知道为什么不行
import RPi.GPIO as GPIO
import time
servoPIN = 17#GPIO口
GPIO.setmode(GPIO.BCM)
GPIO.setup(servoPIN, GPIO.OUT)
p = GPIO.PWM(servoPIN, 50) # GPIO 17 for PWM with 50Hz
p.start(2.5) # Initialization
try:
while True:
p.ChangeDutyCycle(5)
time.sleep(0.5)
p.ChangeDutyCycle(7.5)
time.sleep(0.5)
p.ChangeDutyCycle(10)
time.sleep(0.5)
p.ChangeDutyCycle(12.5)
time.sleep(0.5)
p.ChangeDutyCycle(10)
time.sleep(0.5)
p.ChangeDutyCycle(7.5)
time.sleep(0.5)
p.ChangeDutyCycle(5)
time.sleep(0.5)
p.ChangeDutyCycle(2.5)
time.sleep(0.5)
except KeyboardInterrupt:
p.stop()
GPIO.cleanup()
标签：ChangeDutyCycle,树莓,python,0.5,sleep,time,GPIO,sg90 From： https://www.cnblogs.com/gooutlook/p/17001833.html