Entering 'live mode' with UDP

I’m using the latest standard binary of WLED happily and successfully on a NodeMCU board with custom wiring up to a WS2812b led string. I have no issues running effects from the GUI or any controls from that side of things.

I started tinkering with sending UDP packets from python as stated here UDP Realtime Control with Python · Issue #63 · Aircoookie/WLED · GitHub

Unfortunately it seems in having trouble getting WLED into and your of live mode. I had success initially using the exact code in the link, after a reboot.

Now, having changed nothing I can’t seem to get UDP to be accepted by the board. Even by sending a JSON POST with the data:


Has anyone else encountered a similar issue?