STJLOL-DMU: Controls an RC car with a Raspberry Pi

2car.py

import RPi.GPIO as GPIO
from time import sleep
import readchar


GPIO.setmode(GPIO.BOARD)

GPIO.setup(3, GPIO.OUT) #reverse
GPIO.setup(5, GPIO.OUT) #forward
GPIO.setup(8, GPIO.OUT) #left
GPIO.setup(10, GPIO.OUT) #right



print("   Welcome to Motor Control v1.0")

print("                                     ")
print("        w                            ")
print("        ^                            ")
print("        |             r  (forward)   ")
print(" a <- @---@ -> d      ^              ")
print("      [   ]         / | \            ")
print("      [   ]           |              ")
print("      [   ]          \ /             ")
print("      @---@           f  (reverse)   ")
print("                                     ")
print("     STEERING     MOVEMENT           ")
print("")
print("Type 'z' to exit")
sleep(1)
print("Awaiting instructions...")




while True:

        key=readchar.readkey()          #reads the key you type in, no need to press enter.

        if key == "r":                  #forward
            GPIO.output(5, GPIO.HIGH)
            sleep(1)
            GPIO.output(5, GPIO.LOW)

        elif key == "f":                #reverse
            GPIO.output(3, GPIO.HIGH)
            sleep(1)
            GPIO.output(3, GPIO.LOW)

        elif key == "a":                #steers left
            GPIO.output(10, GPIO.LOW)
            
            GPIO.output(8, GPIO.HIGH)
            

        elif key == "d":                #steers right
            GPIO.output(8, GPIO.LOW)

            GPIO.output(10, GPIO.HIGH)
            

        elif key == "w":                #steers straight
            GPIO.output(8, GPIO.LOW)
            GPIO.output(10, GPIO.LOW)

        elif key == "z":                #quits the program
            GPIO.cleanup()
            print("Motors on safe, exiting.")
            sleep(1)
            break