add a pointer to the arduino companion sketch on the TeleScience page

diff --git a/TeleScience/index.mdwn b/TeleScience/index.mdwn
index 88faefb338e15334cf1c47ecfc62adec161b3ec4..b4c481d726c671730d4b6c8bf89b98e1b84664b1 100644 (file)
--- a/TeleScience/index.mdwn
+++ b/TeleScience/index.mdwn
@@ -86,5 +86,12 @@ deciding what TeleScience should actually be.  The challenge is that if the
 board is too "generic", it will be hard to use.  If it's too "specific", 
 knowing what functionality to actually include gets hard...
 
+As an alternative, if you want to connect custom sensors to a 
+[TeleMetrum](../TeleMetrum/) or [TeleMega](../TeleMega/) board,
+you might want to investigate 
+[AltOSCompanion](https://github.com/bdale/AltOSCompanion), which is an
+[Arduino](https://www.arduino.cc/) sketch for implementing a custom companion
+board!
+
 ## [History of TeleScience](history) ##