Introduction
  • Introduction
  • Adjust This Setting For Best Video Quality
The Hardware We Will Be Using
  • The Hardware List
  • The Arduino Uno
  • The RS485 Shield for Arduino Uno
  • The LCD Display and Interconnecting Hardware
  • The USB-to-RS485 Converter and Connection Overview
  • Hardware Setup on my Workbench
The Software We Will Be Using
  • The Arduino Programming Software
  • The Modbus Libraries
  • Modsim32 Modbus Slave Simulator
Quick Start - Creating our First Arduino Modbus Master Application
  • A look at the Programming Software - Arduino IDE
  • Our First Program - Testing the LCD Display
  • Getting the LCD to display the value of a Variable
  • Additional LCD Code to support Modbus Master Operation
  • Adding Code to Implement Modbus Master Functionality
  • Running our First Arduino Modbus Master Application
Extending the Arduino Modbus Master Application
  • Review of the Current Application Code
  • Adding Code to Read a Holding Register
  • Adding Code to Read an Input Status
  • Adding Code to Read a Coil
Configuring the Arduino to Read/Display Data from a Modbus Temperature Sensor
  • What we are going to do in this Section
  • How to Acquire the Sensor
  • A Look at the Datasheet for the Sensor
  • The Arduino and Sensor setup on my Workbench
  • Writing the Arduino Code to Read Data from the Temp/Humidity Sensor
  • Testing the Arduino Program
  • Modification of Code to Display Decimal Places
Configuring the Arduino to Write Modbus Data to the Slave
  • Adding Code to Write to a Modbus Coil based on a Condition
  • Testing of the Write Modbus Function using Modsim32
Configuring the Arduino as a Modbus Slave Device
  • Installing the Modbus Slave Arduino Library
  • Implementing the Arduino Modbus Slave and Testing Read Functionality
  • Implementing the Arduino Modbus Slave and Testing Write Functionality
Bonus Section - How to Always get the Lowest Prices for my Courses
  • Bonus Lecture