you'd think that this setup would be much lower cost, but from a quick lookup, these linear sensors (TSL202R) cost more than $8 each in 1k quantity, while you c

you'd think that this setup would be much lower cost, but from a quick lookup, these linear sensors (TSL202R) cost more than $8 each in 1k quantity, while you can get a wii controller for about $20. On the other hand, this setup allows for 1000 fps while the wii controller's camera works at 100 fps.