= AltOS Companion Port
+Keith Packard <keithp@keithp.com>; Bdale Garbee <bdale@gag.com>
:doctype: article
+:copyright: Bdale Garbee and Keith Packard 2018
+:stylesheet: am.css
+:linkcss:
+:pdf-stylesdir: .
+:pdf-style: altusmetrum
+:pdf-fontsdir: fonts
:toc:
+ include::header.adoc[]
+
== Companion Port
Many Altus Metrum products come with an eight pin Micro MaTch