Dit is wel interessant voor mensen met een Itho Daalderop Eco Fan RFT: https://www.tindie.com/products/nrgwatch/itho-cve-rft-add-on-for-wifi-control/
Edit:
Opensource WiFi add-on to control itho central ventilation boxes
- Control your* Itho Daalderop Eco Fan RFT with one simple add-on module
- No hardware changes needed to the itho box, no warranty void
- Control the speed setting of the fan from 0 - 254 through either a simple web-interface, MQTT or HTML API
- Easily integrate this wifi controller in any home domotica system
- Installation can be done in minutes
- Detailed installation manual, download link provided with the order
