servo.py

from gpiozero import AngularServo
from time import sleep

from gpiozero.pins.pigpio import PiGPIOFactory

factory=PiGPIOFactory()
# these servo params are tuned for the Spektrum s605 horizon hobby servo
servo = AngularServo(18, min_angle=0, max_angle=180, min_pulse_width=0.65/1000, max_pulse_width=2.5/1000, pin_factory=factory)


def setAngle(angle):
	servo.angle = angle


def getAngle():
	return servo.angle



# if this isn't being called from another program
if __name__ == '__main__':
	try:
		# little demo routine
		while (True):
			servo.angle=0
			sleep(2)
			servo.angle=90
			sleep(2)
			servo.angle=180
			sleep(2)

	except KeyboardInterrupt: # If CTRL+C is pressed, exit cleanly:
		print("Keyboard interrupt")

	finally:
		print("clean up") 
		servo.detach()      # disable servo
		print("Servo active?: ", servo.is_active)