Google is upgrading the ultrasonic fingerprint biometric sensor for its latest flagship smartphone release. In 2024 the Google Pixel 9 featured an ultrasonic fingerprint sensor for the first time, ...

The sensor is based on the projection of structured light and on active triangulation. The dependence of the measurements on the geometric parameters of the system is shown, as well as the criterion ...

didactico_web_esp32/ ├── didactico_web_esp32.ino # Main Arduino file ├── config.h # Configuration and pin definitions ├── sensors.h/.cpp # Sensor management ├── actuators.h/.cpp # LED and servo ...