DNR ships wheel layouts for around sixty rims, so the plugin draws your actual wheel and you click the real buttons rather than guessing at LED indexes. Brands covered include:

Ascher Racing (Artura GT4, SPORT, PRO, ULTIMATE), Acelith, Base Performance Simulators (FW1 Formula, FW1-R), Bavarian Simtec (Alpha, Omega V2, Delta), Conspit (MAX 01, 300 GT, HAO Hub, 290 GP, Apex 310), Cube Controls (CSX3, F Pro, GT PRO V2, GT X2, Mercedes AMG GT, Astra), Delta SimTec, Greywolf, Grid (Porsche 911 RSR, MPX V1 and V2), GSI (FPE V2, GXL V2, Hyper P1, Hyper SL, X29, GT MAX32), Murico, P1Sim (Eau Rouge Apex, Beau Rivage), Pokornyi Engineering (FGT, Hyp-R, Rally Plate, F499, GTE Pro V3, LMP Pro V2, GTB Pro, TGR-H), Precision Sim Engineering (ES Pro), Rexing, Simagic (GT Neo, Neo X Hub), Simcore, SIMDID, Soelpec (Spectra LT, Spectra XR), Twenty One Performance (21R-P1X, 21R-P2X), VNM, VRS, VPG (Porsche 911 Cup, Mustang, V-PGT, Mission Sim) and Zens Simwheels.

Wheel types are grouped as Round, Formula, GT, Rally and Hub.

If your rim is not listed, the LED profiles still work on generic addressable LEDs. It is the pre drawn button layout that is brand specific.