sensor.py

import RPi.GPIO as GPIO
import time

def auto():
       GPIO.setmode(BCM)
       GPIO.setup(11, GPIO.IN)         
       GPIO.setup(3, GPIO.OUT)       

       while True:
              i=GPIO.input(11)
              
              if i==0:                  

              
              elif i==1:
                     GPIO.output(13, GPIO.HIGH)
                     sleep(1)
                     GPIO.output(13, GPIO.LOW)
                     sleep(1)
                     GPIO.output(18, GPIO.HIGH)
                     sleep(1)
                     GPIO.output(18, GPIO.LOW)
 
                     
                     
def manual():
       GPIO.setmode(GPIO.BOARD)

       GPIO.setup(24, GPIO.OUT)
       GPIO.setup(23, GPIO.OUT) 
       GPIO.setup(27, GPIO.OUT) 
       GPIO.setup(17, GPIO.OUT)

       while True:

              key=input("Type to control. WASD is what we'll use.")

              if key == "w":                  #forward
                     GPIO.output(11, GPIO.HIGH)
                     sleep(1)
                     GPIO.output(11, GPIO.LOW)

              elif key == "s":                #reverse
                     GPIO.output(13, GPIO.HIGH)
                     sleep(1)
                     GPIO.output(13, GPIO.LOW)

              elif key == "a":                #steers left
                     GPIO.output(16, GPIO.HIGH)
                     sleep(1)
                     GPIO.output(16, GPIO.LOW)
              
              elif key == "d":                #steers right
                     GPIO.output(18, GPIO.HIGH)
                     sleep(1)
                     GPIO.output(18, GPIO.LOW)
                     
              elif key == "x":                #quits the program
                     GPIO.cleanup()
                     print("Motors on safe, exiting.")
                     sleep(1)
                     break