Sequential shifter for driving sim, requires: Arduino Leonardo, 8mm all-thread (cut to size), M8 nuts, M8 dome nut, 608rs bearings, M3 screws, expansion springs, M3 inserts, TIAIHUA Microswitch and 22 awg wire.

Wiring:

Microswitch 1 com - Arduino GND

Microswitch 1 NO - Arduino pin 2

Microswitch 2 com - Arduino GND

Microswitch 2 NO - Arduino pin 3

Programming: Assign upshift as E and downshift as Q, code