OK I got it.
-
Install HTTP Request flow cards on your Homey: HTTP request flow cards App für Homey | Homey
-
Disable authentication in the App settings:
(I actually overlooked this step on the first try, it costed me a lot of time)
- Create flows for turning the printer on and off:
-
Install Octoprint PSU control if you haven’t already: PSU Control
-
In the Octoprint Web-UI, go to PSU control settings, use the control method “System Command” and use following commands:
On System Command: curl -X GET http://HOMEY.IP.ADDRESS.HERE/api/app/com.internet/printer_on
OFF System Command: curl -X GET http://HOMEY.IP.ADDRESS.HERE/api/app/com.internet/printer_off
- Hit save and test.
