DIY Sound Laser : Big Speakers Aren’t Required for Pinpoint Sound

Create a focused speaker so your music targets only the listener. That demodulates at 40 kilohertz, with an H-bridge and ...
IEEE

Artificial Lateral Line Sensor for Robotic Fish Speed Measurement Based on Surface Flow Field Detection and Turbulence Noise Suppression

Abstract: Compared with traditional underwater vehicles, robotic fish have been receiving increasing attention in recent years due to their excellent maneuverability. However, the characteristics of ...
IEEE

Gimbal Speed Control of SGCMG Driven by Ultrasonic Motor Based on Improved Active Disturbance Rejection Control

Abstract: A hollow ultrasonic motor (USM) was employed as the gimbal actuator in a novel single-gimbal control moment gyroscope (SGCMG) configuration, capitalizing on its superior torque-density ...
GitHub

Documentation, design and example code for the Sensor Cube used for teaching at the Robotics Lab of the Julius Maximilian University of Würzburg.

The sensors can be used without specialized drivers. The stereo camera behaves like a webcam. The Arduino offers a virtual serial port over USB with sensor messages in JSON format. Contact: Michael ...
Derby Telegraph

Traffic and travel

All the latest traffic and travel news affecting your commutes and journeys through Derbyshire including accidents, delays and roadworks on the M1, A38, A52, A50 and other routes around the county.