24 results for tags
time x
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clockphoto - Adjusts photographs based on a clock photo.
This will open a window asking you to enter the correct date and time of the clock photo. It then calculates the difference between what you entered and the EXIF timestamp of the photo, and adjusts all photos in the directory of photos by that difference.Mon Feb 25 17:06:17 2019 - permalink -- https://git.zx2c4.com/clockphoto/about/
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An implementation of tlsdate in Go
An experimental implementation of tlsdate (https://github.com/ioerror/tlsdate) in Go.Tue Oct 30 17:10:26 2018 - permalink -
WARNING: This software has not been reviewed. You probably shouldn't use it.- https://github.com/ality/go-tlsdate
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chrony – Introduction
chrony is a versatile implementation of the Network Time Protocol (NTP). It can synchronise the system clock with NTP servers, reference clocks (e.g. GPS receiver), and manual input using wristwatch and keyboard. It can also operate as an NTPv4 (RFC 5905) server and peer to provide a time service to other computers in the network.Tue Apr 10 12:49:48 2018 - permalink -- https://chrony.tuxfamily.org/index.html
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TAPR TICC Timestamping/Time Interval Counter
The TAPR TICC is a two-channel timestamping counter with better than 60 picosecond resolution and less than 100 picosecond typical jitter. It has an Allan Deviation noise floor below 1x10-10 for a one second measurement.Thu Jan 18 14:31:06 2018 - permalink -- http://tapr.org/kits_ticc.html
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NTP – Page 2 – Paul's blog
Blog mostly about the network time protocol (NTP).Tue Nov 28 14:50:33 2017 - permalink -- https://libertysys.com.au/category/NTP/page/2/
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Building Stratum 1 clocks with NetBSD
The entire desire to do this came about from reading about building a Stratum 1 clock using a Raspberry PI at http://www.satsignal.eu/ntp/Raspberry-Pi-NTP.html and from the use of a Sony radio clock to provide WWVB pulses from the WWVB receiver module that was used in the radio clock.Wed Sep 20 22:34:01 2017 - permalink -
However, all of the projects and examples I found used Linux which I did not really want to use. I much preferred to use NetBSD, but it lacked a number of critical features that would be required to make a properly working Stratum 1 clock. Interrupt support for the GPIO pins was needed and adding a PPSAPI driver that could be triggered by a GPIO interrupt would be necessary.- http://anduin.eldar.org/stratum-1/
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Sleepy Pi 2 - Spell Foundry
Raspberry Pi add-on board for Smart Power Management and additional GPIO.Fri Jan 6 23:07:24 2017 - permalink -
Run Raspberry Pi on Battery Power
Extend RPi battery life from hours -> weeks / months
Deep Sleep, with Wake on Event or Time
On-board Arduino for user programs
Adds Arduino Analogue & PWM IO
Battery-backed Real-Time clock / calendar
Avoid SD Card corruption with proper shutdown
Works with all 40-pin Raspberry Pi Models (Zero, A+, B+/B2 and B3)- http://spellfoundry.com/products/sleepy-pi-2/
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Various Time Stuff
Leap second observations, long wave receivers for NTP.Fri Jan 6 18:53:14 2017 - permalink -- http://www.maths.tcd.ie/~dwmalone/time/
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NEO-M8T Time & RAW Triple Band EMI protection +HMC5983 X series - CSG Shop
Module with uBlox NEO-M8T and antenna.Thu Nov 24 00:46:26 2016 - permalink -- http://www.csgshop.com/product.php?id_product=228
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White Rabbit - Wiki - Open Hardware Repository
White Rabbit provides sub-nanosecond accuracy and picoseconds precision of synchronization for large distributed systems. It also allows for deterministic and reliable data delivery.Fri Apr 8 14:38:25 2016 - permalink -
White Rabbit allows you to precision time-tag measured data and lets you trigger data taking in large installations while at the same time using the same network to transmit data.
sub-nanosecond synchronization
connecting thousands of nodes
typical distances of 10 km between nodes
Ethernet-based gigabit rate reliable data transfer
fully open hardware, firmware and software
multi-vendor commercially produced hardware- http://www.ohwr.org/projects/white-rabbit/wiki
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Synchronising your network to a Conrad DCF77 receiver
Thu Mar 24 12:57:19 2016 - permalink -- http://www.sput.nl/time/dcf77.html
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Blog | Blinkenlight | 20 LEDs are enough
Blog describing the development of a software library for DFC77 receivers.Fri Feb 26 15:17:24 2016 - permalink -- http://blog.blinkenlight.net/blog/
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SyncLab.org
The RADclock project (formerly known under 'TSCclock') aims to provide a new system for network timing within two years. We are developing replacements for NTP clients and servers based on new principles, in particular the need to distinguish between difference clocks and absolute clocks. The term RADclock, 'Robust Absolute and Difference Clock', stems from this. The RADclock difference clock, for example, can measure RTTs to under a microsecond, even if connectively to the time server is lost for over a week!Tue Jun 3 12:29:25 2014 - permalink -
The RADclock is available and can be used as an alternative to the ntpd daemon to provide convenient system clock synchronisation for systems running FreeBSD and Linux. In terms of local hardware, it exploits the availability of counters such as the HPET counter or the TSC (Time-Stamp-Counter) commonly found in PC architectures.- http://www.synclab.org/radclock/
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Jürgen Beisert - DCF77 receiver
In this project a simple DCF77 receiver in addition with a level converter and some kind of software should be used to get a perfect timebase in a network.Thu May 22 00:20:29 2014 - permalink -- http://www.kreuzholzen.de/projects/dcf77/index_en.html
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RasClock - Raspberry Pi Real Time Clock Module | Afterthought Software
A battery-powered real-time clock for the Raspberry Pi.Sun Aug 18 00:38:46 2013 - permalink -- http://afterthoughtsoftware.com/products/rasclock
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HackITLinux: How to Add the Mac's TimeMachine to Linux
A backup tool similar to Apple's time machine for Linux.Fri Sep 17 12:09:47 2010 - permalink -- http://www.hackitlinux.com/50226711/how_to_add_the_macs_timemachine_to_linux.php
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Leopard-like Time Machine for Linux : Hands-on How-To
Backup strategy based on rsync and ln.Fri Jan 25 15:04:39 2008 - permalink -- http://handsonhowto.com/2007/timemachine4linux/
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juanjose.garciaripoll - [GTD with Notebook]
Notes by Juanjo, the developer of the Embeddable Common Lisp (ECL) system, about using Google notebook as organiser.Thu Feb 15 12:28:30 2007 - permalink -- http://juanjose.garciaripoll.googlepages.com/gtdwithnotebook
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meow.febo.com NTP Pool Server Statistics
Statistics of an NTP server.Fri Sep 15 17:00:22 2006 - permalink -- http://www.febo.com/time-freq/ntp/stats/clients/
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LeapSecond Home Page
A web site dedicated to precise Time & Frequency ...one man's quest for the most accurate clock...Fri Sep 15 16:43:34 2006 - permalink -- http://www.leapsecond.com/