Greg, are you referring to Z-Wave PLUS Module - Universal Devices ?
Or this Universal Devices ISY-994iZw Home Automati ISY-994IZW B&H Photo (bhphotovideo.com)
They all seem to be out of stock… ;-))
The first link is just a z-wave board that you add on to their hub, so not that. The second link is to their old hub which they don’t make anymore. You can buy one on eBay or buy their new model called Polisy
https://www.universal-devices.com/store/
But unless you use Insteon, I would not use ISY. Instead, I would use Home Assistant. You can use an old Raspberry Pi and add a Z-wave dongle. It will be a learning curve but I think you will have fun with it.
How do you connect the ISY bridge to HR? I do not see any device source with this name in HR?
https://community.thehomeremote.com/t/isy994i-plugin-ver-8-0/999
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I had a look into costco, do you think it is possible to buy the motors and build the blinds with your fabric (by the way the blinds will be placed outside the windows)?
My experience is not building your own motors with your own fabric. My experience is buying the blinds already together with the Somfy motor. So unfortunately I cannot answer your question.
If the Bali blinds use Somfy motors, this means that they should be also compatible with HR, right, or not necessarily? Do you think whether the Somfy motors might be compatible with any z-wave bridge that will be compatible with HR, like ISY?
To my knowledge, Somfy motors are not directly compatible with HR. You will need a bridge, or a hub. The Somfy Z-wave motors are compatible with any z-wave bridge.
https://linkdhome.com/articles/best-zwave-hub
By the way, I contacted Lutron and they told me that they will not produce any roller motor with rechargeable batteries in the future, that is too bad…
Lutron are nice but they are very expensive. When I got my blinds from Costco Bali they were about half the price of the Lutron ones.