moelha / pix Goto Github PK

I was able to get everything up to nodered by following the guide with Raspbian Jessie:

• Used "python2.7" package
• Found from this guide that php works when set to "5", also using raspi-config to enable camera
• The nodered script returns a new script that seems to not support Jessie anymore.

I tried with Buster in case it might work but:

• Adafruit GPIO gives invalid syntax error

Any help getting this to work would be greatly appreciated!

MQTT protocol is found to be too slow for real-time communication.

When the Python script reads from the sensor and sends the data to Node-RED, the data displayed on the dashboard is showed with a consistent delay.

This might be either that Node-RED is too slow to show data in real time, or that the MQTT protocol is inappropriate for this fast, real-time communication.

In order to accurately determine the reason, the following tests will be made:

1. Create a function on Node-RED to generate random numbers and display them on the dashboard (to rule out the MQTT delay factor)
2. Swap MQTT protocol with WebSocket (to check if speed improves)