Send Microsoft Teams status to RaspberryPi LEDs
Run this flow on the computer where Microsoft Teams is running to send its busy/available status over MQTT to the Raspberry Pi:
https://flows.nodered.org/flow/ede2cc75e825b0289de6e6a978abee0c
Run the following flow on a Raspberry Pi to receive this status and turn on or off LEDs connected to the GPIO pins:
https://flows.nodered.org/flow/efc3e56514cd3929249f9acb074dc150