How to Use Modbus with Arduino

DIY Modbus slave with Arduino UNO and RS485 Shield.

Aug 17, 2018

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Components and supplies

1

Arduino UNO

1

Resistor 10k ohm

1

Breadboard (generic)

1

LED (generic)

1

Professional RS422 / RS485 Shield for Arduino

1

USB-to-RS485 converter

1

Resistor 221 ohm

1

Pushbutton switch 12mm

1

Jumper wires (generic)

Apps and platforms

1

Modbustester

1

Arduino IDE

Project description

Code

Sample code for Arduino UNO

arduino

Sample code for Arduino UNO

arduino

Downloadable files

Wiring Arduino

Wiring of some test components to the Arduino

Wiring Arduino

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Table of contents

Intro

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