Any accessory for a smartphone should be comparable in size with it, otherwise the mobility and comfort of work deteriorates dramatically. Otherwise, if the device does not have a constant physical form, as in the case of the keyboard Masterkey 4.0, which is projected by a laser beam to the surface. In the deactivated form, it is no more than a cover for a smartphone, in the active - in front of you a full-sized QWERTY keyboard for working with documents.
The technology of the projected keyboard Masterkey is developed by its authors from 2014, they wanted to get not just a toy for geeks, but a universal gadget that would make the physical keyboards a reality. Simply because you can at any time to deploy on the table at home or on the wall in the audience a virtual analogue. The picoprojector provides an increase in the image up to 120 inches diagonally, however at the maximum resolution of 854x480 pixels the image does not differ in detail.
The contrast parameter is 2000: 1, the brightness is not more than 100 lumens, manual correction of sharpness. By default, a keyboard with dimensions of 245x110 mm is projected, an integrated infrared camera tracks "pressing" at speeds of up to 350 characters per minute. Masterkey 4.0 connects to a smartphone with iOS / Android via Bluetooth 4.0, and to other devices via USB or HDMI. The built-in battery capacity is 5200 mAh, there is a microSD port.
The startup offers two versions of a projected keyboard, a basic one at $ 179 and a business model for $ 225. If the fundraising is going according to plan, Masterkey 4.0 will be available in January 2019.