http://eddiebyrne.com/dokuwiki/ 2026-04-20T11:31:16+0000 http://eddiebyrne.com/dokuwiki/ http://eddiebyrne.com/dokuwiki/lib/tpl/dokuwiki/images/favicon.ico text/html 2021-02-06T22:13:26+0000 Anonymous (anonymous@undisclosed.example.com) http://eddiebyrne.com/dokuwiki/doku.php?id=nc1&rev=1612649606&do=diff NC1 * 32,768 Hz watch crystal * Direct drive display (IN-4 tubes) * 7400 series logic text/html 2020-06-14T21:33:35+0000 Anonymous (anonymous@undisclosed.example.com) http://eddiebyrne.com/dokuwiki/doku.php?id=p2017a&rev=1592170415&do=diff Project 2017a Microcontroller Nixie Clock * 10 MHz XO * 1×6 Multiplex Display (IN-12 Tubes) Long Term Observations of Clock Phase wrt/ UTC HP5335A HP5334A is measuring time from 'every other 1PPS' clock debug signal to XLI 1PPS out. The unwrapped TIC data is really just a simple remapping of [0,1] to [-0.5, 0.5]. text/html 2021-02-06T21:51:05+0000 Anonymous (anonymous@undisclosed.example.com) http://eddiebyrne.com/dokuwiki/doku.php?id=p2020a&rev=1612648265&do=diff Project 2020a Microcontroller Nixie Clock * 10 MHz Atomic Clock * 1×6 Multiplex Display (IN-12 Tubes) Photos text/html 2020-06-14T21:28:00+0000 Anonymous (anonymous@undisclosed.example.com) http://eddiebyrne.com/dokuwiki/doku.php?id=start&rev=1592170080&do=diff Electronics * NC1 * p2017a Microprocessor controlled Nixie Clock, 1×6 multiplex display, 10 MHz XO * p2020a Microprocessor controlled Nixie Clock, 1×6 multiplex display, 10 MHz Atomic Clock Other