This letter describes a robust voice activity detector using an ultrasonic Doppler sonar device. An ultrasonic beam is incident on the talker's face. Facial movements result in Doppler frequency ...

The smart water controller for metro water supply lines described in this work makes use of a relay, an ultrasonic sensor, a flow sensor, a solenoid valve, GPS, and GSM. The planned system is intended ...

Coherent also introduced a major enhancement to its popular PM10K+ sensor—a backscatter shield that dramatically improves measurement accuracy and safety. The shield reduces reflected laser energy ...

SAXONBURG, Pa., June 16, 2025 (GLOBE NEWSWIRE) -- Coherent Corp. (NYSE: COHR), a global leader in photonics, today announced the expansion of its industry-leading PowerMax™ sensor portfolio with two ...

SAXONBURG, Pa., June 16, 2025 (GLOBE NEWSWIRE) -- Coherent Corp. (NYSE: COHR), a global leader in photonics, today announced the expansion of its industry-leading PowerMax™ sensor portfolio with ...

Library to support the HD44780 LCD , (I2C PCF8574 "backpack" interface) for the Arduino eco system arduino lcd i2c display hd44780 arduino-library arduino-platform lcd-display lcd-controller ...