Articles tagged with RS485

  1. Reverse Engineering an Ethernet to RS485 bridge.

    Overview

    The USR302 is a very inexpensive Ethernet to RS485 bridge (with the USR301 being an Ethernet to RS232 bridge).

    Picture of a plastic DIN rail enclosure with 4 LEDs and one button

    I bought a few, mostly intending to use them for connecting various MODBUS networks to Ethernet, but looking at the design there's some good potential for modification and customisation.

    This …