Control Surveillance Raspberry Pi Pico Robot Using LabVIEW

from machine import UART
from machine import Pin as pin
from time import sleep

ut = UART(0,9600)

command = b'S'


#Define Driver pins
in1 = pin(16,pin.OUT)
in2 = pin(17,pin.OUT)
in3 = pin(18,pin.OUT)
in4 = pin(19,pin.OUT)

#########
ENA = pin(20,pin.OUT)
ENB = pin(21,pin.OUT)

ENA.value(1)
ENB.value(1)
#########

#This Function moves the Robot forward
def forward():
    in1.value(1)
    in2.value(0)
    in3.value(1)
    in4.value(0)

#This Function moves the Robot backward
def backward():
    in1.value(0)
    in2.value(1)
    in3.value(0)
    in4.value(1)

    
#This Function moves the Robot right
def right():
    in1.value(1)
    in2.value(0)
    in3.value(0)
    in4.value(0)

#This Function moves the Robot left
def left():
    in1.value(0)
    in2.value(0)
    in3.value(1)
    in4.value(0)

#This Function stops the Robot
def stopfcn():
    in1.value(0)
    in2.value(0)
    in3.value(0)
    in4.value(0)
    
stopfcn()

while True:
  
    if ut.any():
        command = ut.readline()
        print(command)
        
        if command == b's':
            stopfcn()
            
        elif command == b'f':
            forward()
            
        elif command == b'b':
            backward()
            
        elif command == b'r':
            right()
            
        elif command == b'l':
            left()
            
        else:
            pass