Transient ultrasonic waves in a fluid medium generated by a flat circular and a point-focused transducer of finite size are modeled by the distributed point source method (DPSM). DPSM is a ...

PID-based one-axis ball balancing robot using Arduino. Uses an ultrasonic sensor and servo motor to stabilize a ball at a target distance. Real-time tuning of Kp, Ki, Kd via Serial. Includes stability ...

Citation: Researchers use new mobile sensors to track pollution (2025, June 3) ... What Is the White Powder from Ultrasonic Humidifiers and Is It Harmful? Jun 4, 2025.

Abstract: A rotary ultrasonic motor using bending vibration transducers is proposed. In each transducer, two orthogonal bending vibrations are superimposed and an elliptical trajectory is generated at ...

- DGIST research team led by Professor Kyungjoon Park achieves 96% glass wall detection accuracy without using additional sensors, reducing hardware costs by 90% - Smart algorithm negates the need ...

Arduino Nano. DHT22 and BMP280 sensors. Raspberry Pi Zero W. Steps: Arduino collects sensor data and sends it via serial to the Pi. Pi parses and stores data using Python + SQLite. Optional: Build a ...

Hello: I am using ros1 wrapper of D435i, I want the timestamp of rgb and depth be sync. According to previous issue, ... Sensor_timestamp of rgb and depth, PIN 5 output for rgb. #3365. Copy link.