Building on and up! Using the lessons learned from the first tracker computer, we combine a bit of everything in this code.

PLC IEC-61131-3 ladder programming >>> Modbus TCP/IP >>> PID tuning >>> HMI >>> Wiring diagram.

Last year I did an awesome Christmas light show at my school using only a few Arduinos and a program called Vixen Lights.

I used C++, NodeJS, Node-Red, Python and Arduino Sketch on the same platform to control a boiler and connect it to the internet.