import RPi.GPIO as GPIO #import GPIO Module
from time import sleep #sleep command

def SetAngleUp(angle):
        GPIO.setmode(GPIO.BOARD) #pins naming
        GPIO.setup(3, GPIO.OUT) #PWM signal output (GPIO2)
        pwm=GPIO.PWM(3, 50) #50Hz PWM on pin
        pwm.start(0) # start with 0 duty ccle (sets no angles on startup)
        duty = angle / 18 + 2
        GPIO.output(3, True)
        pwm.ChangeDutyCycle(duty)
        sleep(1)
        GPIO.output(3, False)
        pwm.ChangeDutyCycle(0)
        pwm.stop()
        GPIO.cleanup()

def SetAngleDown(angle):
        GPIO.setmode(GPIO.BOARD) #pins naming
        GPIO.setup(5, GPIO.OUT) #PWM signal output (GPIO3)
        pwm=GPIO.PWM(5, 50) #50Hz PWM on pin
        pwm.start(0) # start with 0 duty ccle (sets no angles on startup)
        duty = angle / 18 + 2
        GPIO.output(5, True)
        pwm.ChangeDutyCycle(duty)
        sleep(1)
        GPIO.output(5, False)
        pwm.ChangeDutyCycle(0)
        pwm.stop()
        GPIO.cleanup()