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Name: Modular RS485 Board
Type: Adpater Board
Version: 1.0.0
Author: Dubravko Penezic
Copyright: Creative Commons BY-NC-SA v 3.0
Implemented function:

  • ESD protection of input line via TVS diodes
  • Termination resistor with jumper
  • Bias resistors with jumpers
  • MAX485 chip (pdf)
  • LED signaling RO & DI line with jumper
  • PullUp resistor on all output lines with jumper
  • Prepare configuration for RS232 connection
  • Cross power line connectors (GND, +5V)

PCB Top & Bottom image:


Implementation examples:

rs485_module.txt · Last modified: 2016/09/01 14:17 (external edit)