Schematics and code for logTHIS, a low-powered datalogger for Temperature, Humidity and Irradiance Sensors.
Christopher Stieha: stieha at hotmail dot com
Abram Connelly: abetusk at gmail dot com
We are debating the CERN Open Hardware 1.1 licence (see ohwr.org/projects/cernohl/wiki) or the Creative Commons Attribution Share-Alike license (ala Arduino).
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I2C functions are from http://www.instructables.com/id/I2C_Bus_for_ATtiny_and_ATmega/
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The temperature and humidity sensor code is licensed under the GNU Lesser General Public License version 2.1.
We stripped down the code available at http://nethoncho.com/arduino/DHT22/
From nethoncho.com: DHT22.cpp - DHT22 sensor library Developed by Ben Adams - 2011
This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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