Which parts to order for Loxone Project?

[killeriq]

1. After update - How many SHTx sensors can manage?

2. Loxone 1-wire extension supports up to 20x sensors, but price around 150-200e and 1-Wire do not have Humidity in good quality as SHTx
What why I use currently Arduino as "sensor hub" for SHT31(Temp/Hum) and SCD30 (temp/Hum/Co2) and post data via UDP to loxone

My plan is (except other smart control logic) based on Temp or Hum value control 0-10V FAN for Air extraction.
Seems like for now I need to stick with Arduino and for rest Relays/DI order the Boards from Kincony after New Year...

By any change is there some EU distributor for your products?

Thanks!