Precise, low-power anemometry systems are vital for weather forecasting and wind energy harvesting. The most effective and efficient type of anemometer is the ultrasonic anemometer. This research ...

Ultrasonic fingerprint sensors are changing the way we think about smartphone security—offering faster, more reliable unlocking, even with wet or dirty fingers.

We have implemented a near-ultrasonic communication protocol in the 18.5-20 kHz band, which is inaudible to most humans, using commodity smartphone speakers and microphones to transmit and receive ...

Learn how to build a WiFi-controlled drone using ESP32 modules and MPU6050 IMU. This DIY project offers stability control, smartphone control, and easy upgradability. Get step-by-step instructions and ...

Written by Kevin (KTOWN) Townsend for Adafruit Industries. BSD license, check license.txt for more information All text above must be included in any redistribution To install, use the Arduino Library ...