from serial import *
from tkinter import *

serialPort = "/dev/ttyUSB0"
baudRate = 9600
ser = Serial(serialPort, baudRate, timeout=0, writeTimeout=0)

def mW():
    ser.write(b'1\r\n')
    return

def mA():
    ser.write(b'2\r\n')
    return

def mZ():
    ser.write(b'3\r\n')
    return

def mX():
    ser.write(b'4\r\n')
    return

def mD():
    ser.write(b'5\r\n')
    return

def mS():
    ser.write(b'6\r\n')
    return

def mT():
    ser.write(b'7\r\n')
    return

def mR():
    ser.write(b'8\r\n')
    return

root=Tk()

Forward=Button(text="Forward", bg="blue", fg="white",command=mW)
Left=Button(text="Left", bg="blue", fg="white",command=mA)
Center=Button(text="Center", bg="blue", fg="white",command=mZ)
Stop=Button(text="Stop", bg="red", fg="white",command=mX)
Right=Button(text="Right", bg="blue", fg="white",command=mD)
Reverse=Button(text="Reverse", bg="blue", fg="white",command=mS)
Faster=Button(text="Faster", bg="blue", fg="white",command=mT)
Slower=Button(text="Slower", bg="blue", fg="white",command=mR)

Forward.config(height=10,width=10)
Left.config(height=10,width=10)
Center.config(height=10,width=10)
Stop.config(height=10,width=10)
Right.config(height=10,width=10)
Reverse.config(height=10,width=10)
Faster.config(height=5,width=10)
Slower.config(height=5,width=10)

Forward.grid(row=0,column=1,padx=20,pady=20)
Left.grid(row=1,column=0,padx=20,pady=20)
Center.grid(row=1,column=1,padx=20,pady=20)
Stop.grid(row=0,column=2,padx=20,pady=20)
Right.grid(row=1,column=2,padx=20,pady=20)
Reverse.grid(row=2,column=1,padx=20,pady=20)
Faster.grid(row=0,column=0,padx=20,pady=20)
Slower.grid(row=2,column=0,padx=20,pady=20)

root.mainloop()