Category Archives: NTP Clock

Finally – An inexpensive NTP Wall Clock

Posted on January 12, 2023 by robert

Those of you who know me, know that I fall into the category of a Frequency Nut (someone obsessed with the ability to measure frequency accurately – think microHertz), as well as a Time Nut (likewise obsessed with accurate time). … Continue reading →

Posted in NTP Clock, Time | 2 Comments

A Better Option than the PyPortal for a NTP Clock?

Posted on July 2, 2019 by robert

In the prior two posts I discussed the mistake made on the PyPortal that rendered all timing very inaccurate (was that 1000 Hz PWM tone actually 970 Hz or 1030 Hz or somewhere in between?).  Adafruit suggested adding a RTC, … Continue reading →

Posted in Arduino, NTP, NTP Clock, Raspberry Pi | Leave a comment

Work-around for Pesky OS X Kernel Panic with Arduino

Posted on August 6, 2017 by robert

I’ve been bouncing between my Windows PC and a Macbook Pro as I am writing the code for the Feather NTP Clock.  (Gotta love BitBucket and TortoiseHG which provide me with the latest source code wherever I am). While it … Continue reading →

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Feather NTP Clock

Posted on August 5, 2017 by robert

While my obsession with accurate time continues, these days my obsession with avoiding the hassle of resetting clocks on DST/STD changeover and power failures grows. My original NTP Clock, based on the Raspberry Pi worked just fine, but it really … Continue reading →

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Updating WiFi Info for NTP Clock

Posted on October 11, 2015 by robert

My ever-faithful Apple Airport Extreme decided to give up the ghost about a week ago.  I was forced to use the built-in WiFi in my Verizon router as a temporary replacement.  Of course that meant that all the WiFi based … Continue reading →

Posted in NTP Clock, Raspberry Pi | Leave a comment