Author: Al Williams / Source: Hackaday
Few things are as frustrating in the kitchen as a dull knife. [Becky] and her chef friend collaborated to build a Bluetooth module to tell you when you are sharpening a knife at the optimum angle. That might sound a little specialized, but the problem boils down to one that is common enough in a lot of situations: how do you tell your exact orientation while in motion?
That is, with the knife moving rapidly back and forth over the sharpening stone, how can you measure…The post Sharpening with Bluetooth appeared first on FeedBox.