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Firmware and source code for the New GPS-Synchronised Analog Clock Driver [1910922A.HEX]
The PIC16LF1459 microcontroller firmware (HEX file) and C source code (including MPLAB X project) for the New GPS-Synchronised Analog Clock.
Updated 30/08/2022: the revised (v1.1) firmware improves the time accuracy by about half a second.
Update 26/10/2022: added the WiFi code that can be used with a WeMos D1 Mini WiFI module.
Update 10/01/2023: the revised (v1.2) firmware adds more options for sweep type clocks in an attempt to solve the problem of some sweep clock movements not working with the Driver.
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VK2828U7G5LF TTL GPS/GLONASS/GALILEO module with antenna and cable
A VK2828U7G5LF GPS module from GMOUSE. Data sheet is available at https://github.com/CainZ/V.KEL-GPS/blob/master/VK2828U7G5LF%20Data%20Sheet%2020150902.pdf
Features onboard ceramic patch antenna. Basic specifications are:
- 28 x 28 x 8.6mm
- 3.3-5V supply at 25-35mA
- TTL signalling, default 9600 baud
- Enable input, 1PPS output plus serial TX & RX with NMEA 0183
- Tracking sensitivity -162dBm, capture sensitivity -160dBm
- Cold start 26 seconds, hot start one second
- 1-10Hz updates
A short 6-way cable with plug is supplied. If you order this, you may receive a VK2828U8G5LF which is an updated version of the module with slightly better specifications but provides the same functions.
| Cat No SC3362. Price: AUD $25.00 1 |
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In stock:  yes (12 available). Estimated dispatch time: 1-3 days | Related to:
- Project: A GPS-Synchronised Clock (March 2009 [print issue] [online issue])
- Project: A GPS-Synchronised Clock (March 2009 [print issue] [online issue])
- Project: Dead-Accurate 6-Digit GPS-Locked Clock, Pt.1 (May 2009 [print issue] [online issue])
- Project: GPS Driver Module For The 6-Digit Clock, Pt.2 (June 2009 [print issue] [online issue])
- Project: GPS Synchronisation For Clocks With Sweep Hands (November 2009 [print issue] [online issue])
- Project: GPS Synchronisation For Clocks With Sweep Hands (November 2009 [print issue] [online issue])
- Project: A Multi-Function GPS Car Computer, Pt.1 (January 2010 [print issue] [online issue])
- Project: A Multi-Function GPS Car Computer, Pt.2 (February 2010 [print issue] [online issue])
- Project: Build A GPS Boat Computer (October 2010 [print issue] [online issue])
- Project: A 2.5GHz 12-digit Frequency Counter, Pt.1 (December 2012 [online issue])
- Project: A 2.5GHz 12-Digit Frequency Counter, Pt.2 (January 2013 [print issue] [online issue])
- Project: Accurate GPS 1pps Timebase For Frequency Counters (February 2013 [online issue])
- Project: Deluxe GPS 1pps Timebase For Frequency Counters (April 2013 [print issue] [online issue])
- Project: Build A GPS Tracker & Record Your Journeys (November 2013 [print issue] [online issue])
- Project: L-o-o-o-n-g Gating Times For The 12-Digit Counter (July 2014 [print issue] [online issue])
- Project: 6-Digit Retro Nixie Clock Mk.2, Pt.1 (February 2015 [print issue] [online issue])
- Project: 6-Digit Retro Nixie Clock Mk.2, Pt.2 (March 2015 [print issue] [online issue])
- Project: High Visibility 6-Digit LED GPS Clock (December 2015 [print issue] [online issue])
- Project: High Visibility 6-Digit LED GPS Clock, Pt.2 (January 2016 [print issue] [online issue])
- Project: Touch-Screen Boat Computer With GPS (April 2016 [print issue] [online issue])
- Project: Touchscreen Super Clock (July 2016 [print issue] [online issue])
- Project: GPS-synchronised Analog Clock Driver (February 2017 [print issue] [online issue])
- Circuit Notebook: Remote water level monitoring using LoRa and Arduino (July 2017 [print issue] [online issue])
- Project: An Arduino Data Logger with GPS (August 2017 [print issue] [online issue])
- Project: Arduino Data Logger Part 2 (September 2017 [print issue] [online issue])
- Feature: El Cheapo Modules Part 10: GPS receivers (October 2017 [print issue] [online issue])
- Project: Super Clock now shows your electricity tariff (July 2018 [print issue] [online issue])
- Project: GPS-synched Frequency Reference Pt.1 (October 2018 [print issue] [online issue])
- Project: GPS-synched, lab-quality frequency reference (Part 2) (November 2018 [print issue] [online issue])
- Project: Very accurate speedo, car clock & auto volume change (June 2019 [print issue] [online issue])
- Project: Advanced GPS Computer - Part 1 (June 2021 [print issue] [online issue])
- Project: Advanced GPS Computer – Part 2 (July 2021 [print issue] [online issue])
- Project: New GPS-Synchronised Analog Clock (September 2022 [print issue] [online issue])
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| View 117 other items relevant to the same project(s) |
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New GPS-Synchronised Analog Clock Driver PCB [19109221]
The PCB for the New GPS-Synchronised Analog Clock.
Double-sided PCB with plated through holes, solder mask and silkscreen overlay.
97 x 55.5mm.
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PIC16LF1455-I/P programmed for the New GPS-Synchronised Analog Clock (1910922A.HEX)
A PIC16LF1455-I/P 8-bit DIP microcontroller programmed with the firmware for the New GPS Analog Clock (1910922A.HEX).
Updated 11/01/2023: chips sold from now on will use the revised (v1.2) firmware which provides more pulse duty cycle options for sweep clock movements.
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New GPS-Synchronised Analog Clock Driver PCB pattern (PDF download) [19109221]
A PDF with the PCB design for the New GPS-Synchronised Analog Clock (double-sided).
Both layers are in a single PDF.
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Kit for the new GPS Analog Clock Driver
A complete kit for the New GPS-Synchronised Analog Clock Driver including the VK2828 GPS module, PCB and all onboard parts - everything in the Parts List published in September 2022 plus some double-sided tape to hold down the GPS module.
This kit is for the AA-powered version; if you want to power it with larger cells, you will need to add your own cell holders, wiring and possibly a connector.
The photo shows the kit after assembly with two AA cells installed (not included).
Note: a limited number of the D1 Mini version of the kit are available. There is also a separate shop item without either module: SC6929.
Kits sold from now on use the v1.2 firmware that provides multiple pulse width options for sweep hand movements.
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Kit for the new GPS Analog Clock Driver without GPS module
A complete kit for the New GPS-Synchronised Analog Clock Driver without the GPS module. It includes the PCB and all other onboard parts - everything in the Parts List published in September 2022 except the GPS module.
This kit is for the AA-powered version; if you want to power it with larger cells, you will need to add your own cell holders, wiring and possibly a connector.
The photo shows the kit after assembly with the added GPS module and two AA cells installed (not included).
Note: the D1 Mini version of the kit is no longer available due to Windows serial driver problems.
Kits sold from now on use the v1.2 firmware that provides multiple pulse width options for sweep hand movements.
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