import pandas as pd
import os
import serial
import csv

ser = serial.Serial('COM3', 9600, timeout=1)

ser.write(bytes(chr(5) + '00RSS0106%DW100' + chr(4), encoding = "utf-8"))

result = ser.readline().decode('utf-8')

if result[:1] == chr(6):   

    int(result[-5:-1], 16)   

elif result[:1] == chr(21):

    print('Error = ' + result[-5:-1])  

date = result[10:]

print(date)

from collections import OrderedDict 
VS = OrderedDict(   
    [
        ('D100', [date])    
    ]
) 
df = pd.DataFrame.from_dict(VS) 

if not os.path.exists('C:/Users/jj/Desktop/py/데이터확인.csv'):
    df.to_csv('C:/Users/jj/Desktop/py/데이터확인.csv', index=False, mode='w', encoding='utf-8-sig')
else:
    df.to_csv('C:/Users/jj/Desktop/py/데이터확인.csv', index=False, mode='a', encoding='utf-8-sig', header=False)

엑셀저장값

D100
6B23
6B48
002C
0048
00F6
0197
0014
004F
007F

엑셀저장값중 L 을 읽어오기 싶지 않습니다. L=[\x03] 인것같습니다.