[SOLVED] Moode 8.3.0 RPi 1B+ - UPnP-Renderer doesnt show up

[Tim Curtis]

Hmmm. I don't have one either but I do still have a Pi ZeroW which uses the same Broadcom BCM2835 SoC and ARM1176JZF-S CPU (albeit 1GHz instead of 700MHz).

That's right.
However, the Raspberry Pi 1B uses the LAN9514 chip for its Ethernet connection, while the Pi Zero W uses the Cypress CYW43438 chip for its Wifi connection, which is also used on the Raspberry Pi 3B.

My guess is that there are incompatibilities between the LAN9514 and the multicast packets used with UPnP.
Something seems to have changed here between Raspian Buster and Bullseye.

If you suspect something is up with the Ethernet interface on the 1B then swap to WiFi and see if the issue still persists.