Credits - ntsecrets/espclock GitHub Wiki

Special Thanks to:

Ben Buxton for his original design and code.
Paul Stoffregen for his Time Library.
Ewald Kendziorra - www.kendziorra.nl for his NTP code that actually gives milliseconds!
Jack Christensen for his versatile Time zone Library
Dr. William F. Baker for his inspiration for a high precision time piece.

This software 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 software 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 software; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA