This project will use flask to return the sensors data to "http://your-ip/node-01" as a web service in JSON type.

• Raspberry Pi 4
• PMS5003T
• Soil Moisture Detection
• DS18B20

• Linux OS
• Python 3
• flask, RPI.GPIO, board, serial, adafruit-blinka, unzip

• Download and install Python 3 on Official Website
• Download the project to /home/pi/ and unzip the project

$ cd /home/pi
$ sudo apt-get install unzip
$ wget https://github.com/yimincai/IOT-Web-Service-on-Raspberry-Pi-4/archive/master.zip
$ unzip IOT-Web-Service-on-Raspberry-Pi-4-master.zip

• Install require libs:

$ pip install flask RPi.GPIO board serial
$ pip3 install adafruit-blinka

• Download the project to /home/pi
• add this line to /ect/profile to let project auto run on boot

$ sudo python3 /home/pi/Sensors/app.py &

• Change python files permission

$ sudo chmod 777 /home/pi/Sensors/app.py
$ sudo chmod 777 /home/pi/Sensors/sensors.py

• Reboot your Raspberry Pi 4 to test the service

$ sudo reboot