[SOLVED] CS

node.js + express + art-template + mysql8
TCP TCP 2S 20
20 1 20 20 20
2
20 PM2.5
4 4 PM2.5
TCP
TCP

TCP TCP 1 2S 2 2S 3 40S
TCP :

(4 )
(4 )
PM2.5 (4 )
(4 )
0X01
0X 00 00 00 00
0X 00 00 00 00
0X 00 00 00 00
0X00 00 00 00
1 :
:1 2 3 4 5 6 7 8 9
0X01 0X00 0X00 0X00 0X00 0X00 0X00 0X00 0X00

10 11 12 13 14 15 16 17 0X00 0X00 0X00 0X00 0X00 0X00 0X00 0X00
2 :
:1 2 3 4 5 6 7 8 9

0X02 0X00 0X00 10 11
0X00 0X00
0X000X00
12 13
0X00 0X00
0X00 0X00 0X00 0X00 14 15 16 17
0X00 0X00 0X00 0X00
TCP 16 16
4 4 32

node.js + express + art-template + mysql8
20 20 :

(4 )
(4 )
PM2.5 (4 )

(4 )
1
2021220 14:10:11
0.0
0.0
0.0
0.0
2
2021220 14:10:11
0.0
0.0
0.0
0.0
3
2021220 14:10:11
0.0
0.0
0.0
0.0

4
2021220 14:10:11
0.0
0.0
0.0
0.0

2

20