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Arduino Modbus Communication Tutorial
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- Project Overview
- Two Arduino UNO control LED remotely using Modbus protocol
- Modbus uses master-slave architecture for industrial automation
- Protocol supports serial communication and Ethernet media
- Hardware Setup
- Two Arduino UNOs connected via serial cable
- Master and slave microcontrollers required
- LED and push switch pins needed on both boards
- Implementation
- Master Arduino initializes Modbus and sets slave ID
- Slave Arduino receives commands from master using ModbusSlave
- LED controlled based on switch state and Modbus commands
- Software Requirements
- Arduino IDE software installation needed
- Required libraries must be downloaded and installed
- Code uploaded to Arduino IDE for execution
- Applications
- Suitable for industrial automation systems
- Applicable in home automation and robotics
- Useful for educational purposes