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The Eyeboard

What's the eyeboard?
The Eyeboard is an open source eye-tracking project built with the intention to help people with disabilities. People with physical disabilities face a lot of communication problems with other people. This is why we were motivated to build an inexpensive, yet reliable, human-computer interface that detected eye movements using the technique used in the biomedical field, Electrooculography (EOG).

How it works?
Electro- oculography (EOG) is a technology that consists of placing electrodes around the eyes on the person’s forehead to record eye movements. The voltage that exists between the eyes is a very small electrical potential that can be detected using electrodes. People with certain disabilities may use these systems in order to have certain communication. However, systems like these tend to be very expensive due to their complexity; therefore, this open source project could be beneficial to a lot of people around the world.

 

 

Building the eyeboard


Documentation
If you would like to know how the eyeboard circuit works, start by reading this guide about the eyeboard's functionality. If you are interested in building your own eyeboard, you can read the MAKE Magazine article that explains the building process, and you can download the source code from: https://sourceforge.net/projects/eyeboard/.

The Eyeboard Kit
There is considerably enough documentation available so you can build the eyeboard on your own. However, if you would like to just go straight to the building phase with all the necessary elements and a step-by-step tutorial (not the one in MAKE), we suggest you to take advantage of our experiential learning program and get the eyeboard DIY kit from our store. The tutorial will guide you through the process, and will start from the basics to more advanced concepts so you can build the eyeboard. You will learn concepts such as ADC, the use of filters and operational amplifiers, etc.

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