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Release 2.6 is available. Formal for testing but it is widely used and turned out to be good to release soon. Only minor issues are expected. If you still find an issue in rel. 2.6, please let us know so we are able to repair this in time. Please mail to info@archeryclock.com.

Formal released version is release 2.5 (


release 2.6 available:

  • Test Version
  • Free download Zipped version (Install by unzipping all files and save on hard disk).
  • Shoot-off functionality added for alternating matches.
  • Possibility to show slides (club information or commercials) when retrieving arrows
  • Improved layout timing digits.
  • Improvements in settings.
  • Added functionality like blinking red light.
  • possibility to shutdown Raspberry PI client systems via main computer
  • Control audio level (VLC) depending on clock status. (version and up)
  • Supports 16 languages. Czech, Danish, Dutch, English, Estonian, French, German, Greek, Hungarian, Italian, Polish, Portuguese, Russian, Slovak, Spanish and Swedish.



renewed version compared to 2.5

  • New menu layout
  • time digits layout changed (seconds).
  • Slides added.
  • improved shootoff function

Behavior Red (prepare shooting) updated by blinking red light and digits.


  • Language file Slovensky updated.

Bug fixes:

  • time (blue) before shooting in follow mode fixed. (overlay digits removed)
  • Buzzer1 selectable.


  • Show end nr. in slide mode for 1 archer per turn, 1 turn per end.
  • Language file Swedish updated.
  • Laserpointer control for manual mode.
  • About text updated.
  • Reshape touchscreen buttons.

Bug fixes:

  • Correct view of P (practice) character after reset when clicking end number in slide mode.
  • Relayout menu items.
  • Corrected dates notation in Czech Language.


  • Added possibility to pause in between turns. (added functionality for crossbow matches)
  • Next function behind TAB key. (to support specific laser pointer for remote control)
  • 3rd preference setting added for arrow keys to support specific laser pointer for remote control.
  • Added possibility to trigger recovery arrows (make-up arrows) without 10 seconds preparation (red) time. By trigger with shift key down (shift+1, shift+2, etc.). Functionality is also added behind drop-down boxes to select remote control functionality.


  • serial reconnect delay for future (outdoor)matrix display.

Bug Fixes:

  • Date notation in German language. (added a "." between date and month


  • Added the arduino .ino files and fonts for Submatrix outdoor screen to the package

Bug Fixes:

  • solved Lagging serial connection when com-port is stored at startup. (Caused by adding "serial reconnect delay" functionality added in version
  • fixed arrow number 25m1p in slide mode.


  • Shutdown remote (Raspberry PI) systems when broadcast is on and closing the program.
  • Added the arduino .ino files and fonts for Full matrix outdoor screen to the package. (To download into ESP32 board, MEGA-segment and MEGA line board).

Bug Fixes:

  • Remote serial system (Ledstrip or submatrix), update sequence line to empty when shootoff. (Instead of Keeping ABCD).
  • Sub matrix .ino file, initialize output 14 – 17. (Some Arduino boards those ports are not default output ports).
  • Update in Swedish language file.


  • Added Chinese language. (Thanks to Ziyang Chen)
  • Updated French translation. (Thanks to Dimitri Brosse).
  • For raspberry PI version: Configure as access point in network menu. By 1 button click. This prevents the need of a router when full matrix screens are used.
  • Remove the "fast countdown" effect*.

*: fast countdown effect was introduced since the beginning to correct for temporary PC software hang-up. Time corrected "fast countdown" using the system clock as reference. However, when the system clock synchronizes via the internet, the ArcheryClock lost the systemclock reference resulting in a fast countdown to zero.











GPLCopyright (C) 2010-2019 Henk Jegers
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see http://www.gnu.org/licenses/.

For more info contact info@archeryclock.com










Software is available for free. We are still doing some changes in the code. Mainly to add functionality, but also to improve usability.

Any suggestions to improve the software let us know.



release2.5 (zipped version)

  • Released Version
  • Released March 2018.
  • Free download Zipped version (Install by unzipping all files and save on hard disk).
  • Multicasting. Sent timing via (wireless) LAN to multiple other PC's/Raspberry PI's.
    - So no long video cables needed anymore.
    - Easy support for alternating matches since it is easy to project a different clock on left and right side.
    -In combination with Raspberry PI systems a cost saving solution.
  • Color Schemes
  • Improved remote control for ppt-laser pointer Serial/USB equipment and GPIO (Raspberry PI) by configurable functions for input buttons.







Old software releases / release history.

© 2020, Henk Jegers