The little wheel can be measured by anything
Devices / / December 19, 2019
Miniature wheel Rollova help to know the exact length on any flat surface or a curved object.
This thing is much more compact and easier to use than conventional ruler or measuring instruments. Rollova looks like a wheel with a diameter of five centimeters. On one of its sides there is a screen with high contrast. On the edge - tracker that moves, even with little friction. The principle of operation is simple: drive a scroll wheel on the surface, and the screen displays the measured length. You can adjust the units.
Roller on the device is rotated in such a way that you will not disrupt the measurement accuracy, even if at some point you falter hand.
The body of the small device is made of stainless steel. It is sturdy and looks stylish at the same time. OLED-screen with high contrast ratio delivers excellent energy efficiency, so the gadget can work up to two years from a pair of batteries. Rollova comes complete with a leather case, which it can carry.
are available on the device Kickstarter for $ 39.