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Description

Imported from GitHub: OpenARDF/SignalSlinger · commit 931710f · license MIT

Description

An Automated Radio Orienteering Transmitter

README

SignalSlinger

SignalSlinger is an open-source 80-meter radio orienteering (ARDF) transmitter kit for the 3.5 MHz to 3.7 MHz amateur band. It supports classic, sprint, and foxoring events, with a high-accuracy real-time clock for synchronized transmissions and scheduled start and finish times.

Product Photo

Documentation

Availability

SignalSlinger is planned to be available in kit form from Backwoods Orienteering Klub. Please check the club website for current kit availability and pricing; if it is not listed there yet, it should be coming soon.

Updating Software

This main branch corresponds to the current stable firmware release. Download the update file that matches your hardware revision:

  • SignalSlinger-Update-v2.0.1-HW-3.5.hex
  • SignalSlinger-Update-v2.0.1-HW-3.4.hex

Use SerialSlinger for normal updates on devices that already support software updates. For first-time bootloader setup, use the matching complete release bundle and an approved programmer over the board's UPDI programming header (P101). Always choose the file that matches your hardware revision, and do not modify fuses or disable UPDI outside the documented setup flow.

For complete programming steps, setup-bundle usage, and hardware connection details, see the User Manual. If you want the current development branch instead of the stable public release, switch to the Development2 branch and use the release files referenced there.

Firmware Development

Firmware source and build scripts live in Software/AVR128DA28.

For the current development workflow, start here:

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