Make HO slot cars race on 132 track

I build HO slot car tracks how to build a slot car track The first modular slot car racetrack worth to be called a road For car fans, racing drivers, SlotCar clubs, childhood dreamers and friends of beautiful things how to win jackpot in slot machine creating a slot car lap counter as well as lap timing program using Arduino Facing problems with sketch for lap counting of slotcar track

how to know when a slot machine will hit some Sharpie Neon UV permanent markers and a couple hours taping off and coloring the edges of each lane's guardrails A 4' tube blacklight really makes them