Ultrasonic fingerprint sensors are supposed to be superior, so why are they worse for me?
Phones have mostly ditched curved edges due to user request, but the fingerprint reader under most screens is the new problem ...
Android Central on MSN14 天
Ultrasonic fingerprint sensors are the worst 'upgrade' I could imagine
Phones have mostly ditched curved edges due to user request, but the fingerprint reader under most screens is the new problem.
Hackaday1 年
Compact Ultrasonic Holographs For Single Step Assembly Of Matter In 3D
What distinguishes ultrasonic holography from light-based xolography is that the latter uses photon interference between two light sources in order to rapidly 3D print an object within the print ...
Hackaday7 年
Measuring Air Flow With Ultrasonic Sensors
like with this ultrasonic flow meter, could be a big deal for DIY projects and the trades in general. The principle behind the sensor [ItMightBeWorse] is working on is nothing new. He discovered a ...