Setup Raspberry Pi

Config raspberry release the serial port

opt1:

Modify '/boot/cmdline.txt'

   remove 'console=ttyAMA0,115200' or 'console=ttyAMA0,115200 kgdboc=ttyAMA0,115200，'

opt2:

Close the service (depends on system version)

   sudo systemctl stop [email protected]

   sudo systemctl disable [email protected]

restart raspberry pi

Prepare running Python ENV.

sudo apt-get install python-dev

sudo apt-get install python-pip

sudo easy\_install -U distribute

sudo pip install rpi.gpio

sudo pip install pyserial

sudo pip install psutil

sudo pip install lcd2usb

sudo pip install apscheduler

Clone code and modify bash file

1. Download code from github

2. modify file AQI with your user name and install folder path

   sudo cp /home/{user name}/{install folder}/AQI /etc/init.d/AQI
   
   sudo chmod +x /etc/init.d/AQI
   

start / stop service

   sudo service AQI start \#start

   sudo service AQI stop \#stop

make bash auto start

    sudo update-rc.d AQI defaults