HMI – Ronan's blog

Dynamic charts with Highcharts, SQLite and Python

I used to use a Raspberry Pi as a data logger for many sensors, here is how I create a nice front-end for data visualization.

– Store data : SQLite
– Serve content : Python with Flask
– Plot data : Hightcharts / Highstock

This post is following the one on Siemens PLC simulation with PlcSim.

We need a running program on PlcSim. PlcSim has to use the PLCSIM(TCP/IP) interface and has to be listening on the same IP as the computer.

Here a DB with one bit that is toggled every second :

Your PLC side is ready !