In this paper, we present a single-chip 65 × 42 element ultrasonic pulse-echo fingerprint sensor with transmit (TX) beamforming based on piezoelectric micromachined ultrasonic transducers directly ...

SGP30_Gas_Sensor A arduino example for SGP30_Gas_Sensor,Measurement of TVOC and CO2 Introduction of sensor The SGP30 is a digital multi-pixel gas sensor designed foreasy integration into air purifier, ...

In this study, a multichannel ultrasonic Doppler sensor (MCUDS) is proposed to measure the bubble velocities in gas-liquid slug flows. The MCUDS features region-focused characteristics and thus yields ...

Wi-Fi controlled four-wheeled scout vehicle using dual Arduino Uno R4 boards, ultrasonic sensor, turret rotation, and LCD display for real-time obstacle detection.