# linux_demo_project

```
1. 485
2. 232-1
3. 232-2
3. USB
4. 网口*2
5. WIFI
6. 4G
7. 硬盘

---------------------------------
DEMO:
MQTT
FTP
HTTP
485
232-1
232-2
ADC 
4G
硬盘
修改用户
DC

```