some very cool features for a capacitive touchscreen

James Cameron quozl at
Fri Oct 25 00:03:28 EDT 2013

Sounds interesting.

For the XO-4, use objects that are at least 3mm thick (front to back),
at least 6mm wide, and opaque to infrared.

There's a piano keys mode used by an activity, in case further code
tricks are interesting.

James Cameron

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