Set Up Instructions

Non Front End Dependencies

Install Node.js
pyserial
paho-mqtt
numpy

Front End Dependencies

run npm install

MQTT Server Download and Config

Download mosquitto from https://mosquitto.org/download/

Make following changes to config file mosquitto.conf

In the "choose the protocol to use when listening section" add:

listener 1884
protocol mqtt

listener 9002
protocol websockets

Uncomment allow_anonymous and set to true as such:
allow_anonymous true

Order of Operations

1. Run Local MQTT Server on one terminal window
   Run mqtt server with config file
   Unix/Linux Command:
   /opt/homebrew/opt/mosquitto/sbin/mosquitto -c /opt/homebrew/etc/mosquitto/mosquitto.conf
   Windows Command:
   C:\PROGRA~1\mosquitto\mosquitto -v -c C:\PROGRA~1\mosquitto\mosquitto.conf\

   match addresses of mosquitto and mosquitto.conf with local addresses

2. Run main.py in separate terminal window
   cd mqtt_gui
./main.py
   [Make sure PCB is plugged in]

3. Run Frontend in separate terminal window
   cd mqtt_gui/frontend
npm start
   Access GUI on localhost:3000

Other Instructions

• Change conversion factor in config.json