This comprehensive guide unlocks the power of Modbus TCP/IP communication with Arduino. From the basics of the Modbus protocol right up to full implementation in Arduino projects, the book walks you through the complete process with lucid explanations and practical examples. Learn how to set up Modbus TCP/IP communication with Arduino for seamless data exchange between devices over a network. Explore different Modbus functions and master reading and writing registers to control your devices remotely. Create Modbus client and server applications to integrate into your Arduino projects, boosting their connectivity and automation level. With detailed code snippets and illustrations, this guide is perfect for beginners and experienced Arduino enthusiasts alike. Whether you're a hobbyist looking to expand your skills or a professional seeking to implement Modbus TCP/IP communication in your projects, this book provides all the knowledge you need to harness the full potential of Modbus with Arduino. Projects covered in the book: > TCP/IP communication between two Arduino Uno boards > Modbus TCP/IP communication within the Node-RED environment > Combining Arduino, Node-RED, and Blynk IoT cloud > Interfacing Modbus TCP/IP with WinCC SCADA to control sensors > Using MQTT protocol with Ethernet/ESP8266 > Connecting to ThingSpeak IoT cloud using Ethernet/ESP8266