This is the Revision A verion of the Compass8 module.

Compass8 Module (Revision A)

This document is also available in PDF format.

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

1. Introduction

The Compass8 module is used to connect to a Dinsmore Instrument Company 1490 digital compass. The compass can report the 8 bearings (N, NE, E, SE, S, SW, W, NW.)

2. Programming

{TBD}

3. Hardware

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

3.1 Circuit Schematic

The schematic for the Compass8 Module is shown below:

The parts list kept in a separate file -- compass8.ptl.

3.2 Printed Circuit Board

The printed circuit board files are listed below:

compass8_back.png: The solder side layer.
compass8_front.png: The component side layer.
compass8_artwork.png: The artwork layer.
compass8.gbl: The RS-272X "Gerber" back (solder side) layer.
compass8.gtl: The RS-272X "Gerber" top (component side) layer.
compass8.gml: The RS-272X "Gerber" top solder mask layer.
compass8.gal: The RS-272X "Gerber" artwork layer.
compass8.drl: The "Excellon" NC drill file.
compass8.tol: The "Excellon" tool rack file.

4. Software

The Compass8 software is available as one of:

compass8.ucl: The µCL source file.
compass8.asm: The resulting human readable PIC assembly file.
compass8.lst: The resulting human readable PIC listing file.
compass8.hex: The resulting Intel^® Hex file.

5. Issues

Any fabrication issues that come up are listed here.