This is so I dont have 5212841203 tabs open at the same time
http://www.ia.omron.com/data_pdf/cat/ee-sy671_672_ds_e_6_3_csm486.pdf
https://github.com/jgoergen/CamBot
https://www.freetronics.com.au/blogs/news/arduino-eye-tracking#.Xa3NtZMzYWo
https://create.arduino.cc/projecthub/H0meMadeGarbage/eye-motion-tracking-using-infrared-sensor-227467
https://www.pololu.com/product/2458
https://ezbuy.sg/product/51000774099086.html?keywords=Reflectance%20Sensor&baseGpid=51000774099086&pl=2&ezspm=1.20000000.22.0.0
https://ezbuy.sg/product/168986219.html?keywords=Reflectance%20Sensor&baseGpid=168986219&pl=1&ezspm=1.20000000.22.0.0