Arduino Tutorial

Communication between Arduino using RS485

RS485 Circuit Diagram

Download source code

This sample is One-way Communication (Server -> Client).
For Two-way communication (Server <--> Client), please go to
Arduino Control System (ACS) (RS485 Fixed Length ASCII Protocol)

Visual Automation System (VAS) : GUI display Electrical equipment's status using RS485(NOW Opensource)
Arduino : Visual Automation System (VAS)

RS485 Repeater circuit with PCB & BOQ

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