Structured Text PLC Programming Tutorial with the Arduino Opta

Structured Text PLC Programming Tutorial with the Arduino Opta

L
LeMaster Tech
701 Video Views·Jul 5, 2025

In this video we start programming with the Arduino Opta PLC using the popular PLC Programming language, Structured Text! This video continues the PLC programming tutorial series on the channel!

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A PLC or Programmable Logic Controller is the staple of industrial automation and controls, and Arduino has made one of the most affordable ways to get into the industry! This micro-PLC has Relay outputs, and programmable digital or analog input and output channels as well.

It also supports Modbus OPC communications for easy integration into SCADAs or larger controls systems, RJ45 ethernet communications and Wi-Fi connectivity! Additionally there are no licensing fees to use the Arduino PLC IDE where you can program in Ladder, Structured Text, FBD, SFC or using the regular Arduino IDE/C++ based language!

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