from machine import Pin,PWM
import time
#Two pins of the motor
p0 = Pin(19,Pin.OUT)
p1 = Pin(18,Pin.OUT)
#INA =PWM(po,10000,0)#INA corresponds to IN+
#INB =PWM(p1,10000,2)#INB corresponds to IN-
INA = PWM(p0, freq=10000, duty_u16=8192)
INB = PWM(p1, freq=10000, duty_u16=8192)


try:
    while True:
        #Counterclockwise 4s
        INA.duty(0) #The range of duty cycle is 0-1023
        INB.duty(700)
        time.sleep(4)
        #stop 2s
        INA.duty(0)
        INB.duty(0)
        time.sleep(2)
        #Turn clockwise for 4s
        INA.duty(600)
        INB.duty(0)
        time.sleep(4)
        #stop 2s
        INA.duty(0)
        INB.duty(0)
        time.sleep(2)
except:
    INA.duty(0)
    INB.duty(0)
    INA.deinit()
    INB.deinit()