Plc based on ATMega 2560 programmable with Arduino IDE

This video shows a project about plc based on ATmega2560 programmable with Arduino IDE. No is a comercial product, only project. The enclosure is similar plc s7-200.

PLC Enclosure AliExpress:
http://s.click.aliexpress.com/e/cKbDvwTW

PCB Service:
http://s.click.aliexpress.com/e/bcuwrDT6