These files are free; 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 sketch 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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These files are made, aimed at people who are just beginning to discover the wonderful DCF77 / Radio Clock world. The C++ code is far from optimized because I myself am an Arduino and C++ newbie! ;) But in writing this code and learning a LOT from others, I gradually comprehended the inner workings of DCF and C++.

If you enjoy exploring the Arduino and DCF77 as much as I did, maybe by using and/or learning from this sketch or PCB's, my goal is reached. :o)

USE MY PCB DESIGNS AT YOUR OWN RISK, I TESTED THE V1.0 BOARDS BUT NOT THE 1.1 REVISIONS although not many changes were made

Erik de Ruiter 2014-08