A Remote RS485 Input Output System
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	This is a simple remote Input and Output system that is designed to be placed onto a RS485 bus. It provides 4 relay outputs and 4 switch inputs. This early design was used for a distributed house control system. The control language is documented in the assembler source file. .
	Schematic Diagram   Firmware Source Code   A4 PCB check drawing   A4 PCB Bottom Layer Drawing   A4 PCB TOP Layer Drawing   A4 PCB component Placement Drawing
	NOTE: This project is copyright (c) Doug Jackson. It may be reproduced for home use in limited quantities, commercial use is expressly prohibited without the prior written consent form the author.