This Heimdall Enhanced App could display the ink level for an Epson XP-900 or any other printer.
- Cron job to run ink-check.sh
- Promteheus Pushgateway to store the recorded values
- Get Prometheus with pushgateway
- Fill in the printer and pushgateway addresses in ink-check.sh
- add ink-check.sh to a cron job
- Add this app as a Private Heimdall App
- Set up the pushgateway api url in heimdall (http:///api/v1/metrics)