Get Brailling is a minimalist input device for the blind and visually impaired.
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As with many projects, this one is currently a free-time project. When we started this all at a weekend hackathon, the staff was urging us to make a business plan, do market research and lots of things that are considered "non-hacky". From a business point of view that makes sense, why would you make a product that doesn't have a business case?
Especially hardware development and casing design is time consuming and cost money. There is often a lot of non-refundable investment that has to be made and even then the product development might take a years time. When applying for grants, incubators, startup factories, etc. we had to make budget estimations in the hundreds of thousands of Euros to make our case. We had to make estimations of production costs for thousands of units which is very hard at the stage when all you have is a Leonardo.
This was never supposed to compete with the giants. The idea for GetBrailling was to make a lightweight, affordable solution for visually impaired mobile users. We hoped for a selling price of 50€ but that can't be taken seriously when the competition is in the 1000€ feature stuffed desktop keyboards for the blind that include displays, text-to-speech, etc. Obviously our product will seem worse than the competition or a straight out hoax.
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This is super cool! What about adding a small solenoid or a vibration motor underneath the fingers so that the system can also be used for reading braille?
This has been a suggestion earlier as well, we've tried micro vibrating cells. In the end the problem is mainly that while there is a standard input interface (HID) there is actually nothing as generic and supported for output of data. Maybe it could be coupled with some screen reader?
Ah, so you're enummerating as a HID input device? Cool solution! driverless I suppose? - That's really clever!
Maybe you could make a composite device so you would keep the driverless functionality and with a custom driver you would enable writeout?
Of course you already have spotted the problem - figuring out what to output..
USB HID is the way to go! Really, we just used an open source library and we managed to get it to work with Windows, Linux, OSX, and Android out of the box.
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Great project!