The company Vaavud have invented an advanced windmeter called Vaavud Sleipnir, to be used together with a smart phone. What is special about it is that beside of measuring the windspeed it can also indicate the wind direction. Eventhough it can only measure the wind speed. It does that by analyzing the changes in the windspeed compared to the rotational position of the asymetrical wind cup. The mechanical is developed by our good business partner Attention Design, the electronics was developed by us (AKJI). The app that is required in order to use the wind meter was developed by Vaavud.