import serial
bytearray = [ 0o10010000, 0o10111000, 0o00000000, 0o00000000, 0o00000111, 0o01010101, 0o10100100, 0o01111011, 0o00000000, 0o11011010,0o00000011,
             0o00000010,0o00000101,0o00000001 ]

try:
    ser = serial.Serial('COM3')
    ser.baudrate = 57600
    ser.timeout = 0.1
    ser.open()
except Exception as e:
    print('Error opening port - ' + str(e))

while ser.isOpen():
    try:
        #arr = ['\x90','\xB8','\0','\0','\a', '\x55','\xA4','\x7B','\0','\xDA','\x03', '\x02','\x05','\x01']
        ser.write(bytearray)
        ser.read()
        print(ser.read())
    finally:
        ser.read()
        print(ser.read())