There are 4 repositories under industrial-controllers topic.
KiCad PCB, gerber, and CAD files for the PiCon-One controller.
Modelica Industrial Control Systems Library by Politecnico di Milano
RS485 to Wi-Fi gateway.
Software and example programs for the PiCon-One controller.
Parser of the industrial protocol S7 (S7comm) using Libpcap
PLC controller hardware PCB scheme. ATMega32L, RS485 industrial bus interface, 8 ADC inputs, 8 PWM out, 6 GPIO
PLC RS485-Modbus ATmega32 microcontroller firmware.
Floor-level manufacturing automatization control software
The complete set of files for Arduino IDE - Tested on versions 1.8.1 and above
The complete set of files for Arduino IDE - Tested on versions 1.8.5 and above
rrruntime, a extensionable industrial robot controller runtime
Docker Version for Snap7