k-link node SD image 2026-10-21 (Raspberry Pi Zero 2 W)

Ready-to-flash AllStarLink / EchoLink node for Raspberry Pi Zero 2 W (also Pi 3/4/5, 64-bit): Raspberry Pi OS Lite bookworm arm64 + AllStarLink 3 + EchoLink + Allmon3 + k-link + web panel.

1. Flash k-link-node-20261021.img.xz with Raspberry Pi Imager ("Use custom").
2. Optional: edit k-link-node.txt in the boot partition (password, Wi-Fi, callsign, node, EchoLink).
3. Boot, open http://k-link-node.local/ (password k-link; with no Wi-Fi, join K-LINK-SETUP / k-link-setup and open http://10.42.0.1/).
4. Pair the adapter from the k-link page (port 8077).

Details: sdimage/README.md. Not yet tested on real Zero 2 W hardware (tested booting in a container).

SHA-256: eddc70bc5f53f707073ac0239d50c68ac55b4bf944dd91f7fab49fb2b1606cf9

k-link 0.3.0

First public release.

• USRP link (AllStarLink chan_usrp, DVSwitch Analog_Bridge)
• Virtual sound card "k-link: to radio" / "k-link: from radio" with VOX
• PTT/COS by virtual serial port /dev/ttyKLINK0 (run k-link setup-serial once)
• ALSA device klink for ALSA-only apps (Direwolf, SvxLink)
• Web UI on port 8077: status, levels, pairing, loop test, settings

Install on Debian/Ubuntu/Raspberry Pi OS:

sudo apt install ./k-link_0.3.0_all.deb
k-link config && k-link pair && k-link test
systemctl --user enable --now k-link