This is the Revision C version of the Serial1 Module. The status of this project is work in progress.

Serial1 Module (Revision A)

Table of Contents

This document is also available as a PDF document.

• 1. Introduction
• 2. Hardware
  • 2.1 Circuit Schematic
  • 2.2 Printed Circuit Board
• 3. Issues

1. Introduction

The Serial1 Module is a Module that connects a master Module to a computer via a stanadard 4-wire telephone cord extension.

2. Hardware

The hardware consists of a circuit schematic and a printed circuit board.

2.1 Circuit Schematic

The schematic for the Serial1 Module is shown below:

The parts list kept in a separate file -- serial1.ptl.

2.2 Printed Circuit Board

The printed circuit board files are listed below:

serial1_back.png

The solder side layer is shown below:

serial1_front.png

The component side layer is shown below:

serial1_artwork.png

The optional artwork layer is shown below:

serial1.gbl

The RS-274X "Gerber" back (solder side) layer.

serial1.gtl

The RS-274X "Gerber" top (component side) layer.

serial1.gal

The RS-274X "Gerber" artwork layer.

serial1.drl

The "Excellon" NC drill file.

serial1.tol

The "Excellon" NC drill rack file.

3. Issues

The following fabrication issues need to be addressed:

• Use electrolytic capacitors instead of tantalum capacitors.
• Perhaps move the connector in some.