Node-red-contrib-tuya-smart-device doesn't work with newer Tuya devices

I have node-red-contrib-tuya-smart-device installed and running successfully with 12 devices, all different makes on TUYA Lamps.
I have recently tried to add extra lamps.

  • I connect and configure them using the Tuya Smart Life App
  • I log onto my account and use the DeviceID from the Smart Life App to find the 'Secret'
  • I take this information along with the static ip address I assign to the device and put it all into the node-red-contrib-tuya-smart-device config for the device, save and deploy.

Initially, the device shows up as connected, but after 10 seconds or whenever I send it a command, the status changes to 'NOT CONNECTED' and the command is ignored.
Then it goes back to 'Connected' again for 9 seconds until the next poll cycle.
It is connected and controllable from the Smart Life App, but not via node-red.

All the other devices are visible, stay connected and respond to commands. I can't see what I'm doing wrong.

I'm running the latest version of node-red (3.1.6) and node-red-contrib-tuya-smart-device (5.2.0) running on a pi3b+ with Bullseye.

Any thoughts?

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