1. AFB. Facts and Figures on American Adults with Vision Loss. 2017. Retrieved July 15 2017 from http://www.afb.org/info/blindnessstatistics/adults/facts-and-figures/235 AFB. Facts and Figures on American Adults with Vision Loss. 2017. Retrieved July 15 2017 from http://www.afb.org/info/blindnessstatistics/adults/facts-and-figures/235
2. Aria Wearable. 2017. Retrieved July 15 2017 from http://www.flicktek.com/ Aria Wearable. 2017. Retrieved July 15 2017 from http://www.flicktek.com/
3. Freescale Microcontroller Datasheet. 2017. Retrieved July 4 2017 from http://cache.freescale.com/files/32bit/doc/data_sheet/K 20P64M72SF1.pdf Freescale Microcontroller Datasheet. 2017. Retrieved July 4 2017 from http://cache.freescale.com/files/32bit/doc/data_sheet/K 20P64M72SF1.pdf
4. JAWS. Screen reader from Freedom Scientific. 2017. Retrieved July 5 2017 from http://www.freedomscientific.com/Products/Blindness/ JAWS JAWS. Screen reader from Freedom Scientific. 2017. Retrieved July 5 2017 from http://www.freedomscientific.com/Products/Blindness/ JAWS
5. PJRC Electronic Projects - Teensy 3.2 & 3.1 s. 2017. Retrieved July 5 2017 from https://www.pjrc.com/teensy/teensy31.html PJRC Electronic Projects - Teensy 3.2 & 3.1 s. 2017. Retrieved July 5 2017 from https://www.pjrc.com/teensy/teensy31.html