:::success
[參考網站](https://jacekhryniewicz.wixsite.com/website/raspberry-pi-with-modbus-tcp)
:::

:arrow_right: https://www.raspberrypi.com/software/

sudo apt-get update
sudo apt-get install python-dev
sudo apt-get install python3-pip
pip install pymodbus
pip install pycrypto
pip install pyasn1

https://cn.ubuntu.com/blog/raspberrypi4-iot-edge-gateway