The Happy Crabby - monitor the temperature and humidity in a hermit
crab's cage using an arduino and some other electronic parts.

Authors:
Alan Porter <github.com/sudoer>

To the extent possible under law, the author(s) have dedicated all
copyright and related and neighboring rights to this software to the
public domain worldwide. This software is distributed without any
warranty.

You can copy, modify, distribute and perform the work, even for
commercial purposes, all without asking permission.

You should have received a copy of the CC0 Public Domain Dedication
along with this software.
If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.