I'll just wait until I can jack in with a jailbroken Neuralink.

If you already have the electrodes installed in your brain you can use stimulation circuitry from the courtocal labs cl1 to get a bidirectional bci.

https://corticallabs.com/cl1

Unfortunately getting that as elective surgery is impossible in the developed world and the quality of Brazilian back alley brain surgery leaves a lot to be desired.