How to Program an Arduino as a Modbus RS485 Master & Slave

Editorial course preview

What the public course preview actually shows

These 3 complementary views highlight concrete, legible examples from the course presentation.

A screenshot of the Arduino IDE window displaying C++ code for Modbus communication, including comments about setting transmit buffers and reading input registers. — Preview 1 of 3
This screenshot shows the Arduino IDE interface with C++ code for Modbus communication, illustrating how to set transmit buffers and read input registers.

A presentation slide featuring a hexagonal portrait of instructor Emile Ackbarali and text stating that students will learn to create custom Modbus Master and Slave hardware using. — Preview 2 of 3
This slide introduces the course instructor, Emile Ackbarali, and outlines the primary learning objective: building custom Modbus Master and Slave hardware devices with Arduino.

A text slide listing examples of programming Modbus, including using Arduino as a master/slave, writing an Android App, and creating a Windows application with Microsoft .NET. — Preview 3 of 3
This slide outlines practical examples of programming Modbus in the automation industry, such as configuring an Arduino, developing an Android app, or building a Windows application.