pythonCode

import serial

ser = serial.Serial("COM4", 9600, timeout = 1) #COM4 е изходящият COM PORT

def retrieveData():
    ser.write(b'1')
    data = ser.readline().decode('ascii')
    return data

while(True):
    uInput = input("Retrieve data? ")
    if uInput == '1':
        print(retrieveData())
    else: