Is Elsr 24t receiver compatible with Flysky Fsi4 transmitter?

I need your help. Is Elsr 24t 2.4Gh receiver compatible with Flysky Fsi4 transmitter using speedybee F405 v3 FC

No, you cannot use an ExpressLRS receiver with a FlySky FS-i4.

Additionally, a 4-channel radio is likely a poor choice for any ArduPilot application.