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Michael Jonker edited this page Dec 7, 2015 · 11 revisions

Welcome to the HardwareSerialRS485 wiki!

Arduino RS485 communication software

Michael Jonker

This project provides a software suite to support the use of an RS485 transceiver connected to the USART (Tx/Rx pins) in a half-duplex, concurrent multi-drop (i.e. multi-master, multi-slave) environment. For this purpose, the software suite provides capabilities for message addressing and filtering as well as collision detection and collision avoidance.

Project page:

Release history:


The library versions prior to 2.2.0 do not work with IDE 1.6.6 and above. With library version 2.2.0 this issue is fixed.

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