Through Bluetooth sniffing, using this method I've been able to (semi reliably) control the SP110e controller via Homebridge.
You can find this controller for very cheap here: https://www.aliexpress.com/item/4000773623427.html?spm=a2g0o.productlist.0.0.4f09329cJ7C1H4&algo_pvid=542e757b-587f-4540-8652-2195883f1349&algo_expid=542e757b-587f-4540-8652-2195883f1349-0&btsid=0bb0622a16012309671478585ed4bd&ws_ab_test=searchweb0_0,searchweb201602_,searchweb201603_
This entire guide is for Bluetooth LE libraries, and uses hexidecimal.