This is the revision A version of the USB1 module.

USB1 Module (Revision A)

Table of Contents

• 1. Introduction
• 2. Programming
• 3. Hardware
  • 3.1 Circuit Schematic
  • 3.2 Printed Circuit Board
• 4. Software
• 5. Issues

1. Introduction

The USB1 module keeps track of two quadrature rotation sensors.

2. Programming

{To be done}

3. Hardware

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

3.1 Circuit Schematic

The parts list kept in a separate file -- usb1.ptl.

The schematic for the USB1 module is shown below:

3.2 Printed Circuit Board

The printed circuit board files are listed below:

usb1_back.png

The solder side layer.

usb1_front.png

The component side layer.

usb1_artwork.png

The artwork layer.

usb1.gbl

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

usb1.gtl

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

usb1.gal

The RS-274X "Gerber" artwork layer.

usb1.gml

The RS-274X "Gerber" mask layer.

usb1.drl

The "Excellon" NC drill file.

usb1.tol

The "Excellon" tool rack file.

4. Software

{Software goes here.}

5. Issues

Any fabrication issues that come will be listed here.