Archive for date: May 22, 2015

New (more accurate) clock module…

May 22, 2015 | Arduino, Development Boards, My Projects | By: Mark VandeWettering

As I mentioned in a previous post, I was not enormously satisfied with the accuracy of the DS1307 clock module that I got from China. It was hard to argue with the less than three dollar price tag, but I was hoping that the accuracy might achieve 20ppm (less than two seconds of drift per […]