GitHub

SparkFun Ultrasonic Distance Sensor - TCT40

The SparkFun Ultrasonic Distance Sensor - TCT40 (sen-24805) a user-friendly upgrade to the popular HC-SR04 sensor, offers non-contact distance measurement from 2cm to 400cm with an accuracy of 3mm.
GitHub

Designed an obstacle detection system using HC-SR04 sensor + Arduino, with buzzer/LED alerts for objects <10 cm. Tested performance in real-world scenarios, optimizing signal ...

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IEEE

A Sensitive Sensor With a Quartz Matching Layer: For Simultaneous Detection of Ultrasonic and Electromagnetic Wave Signals by Partial Discharge

Abstract: In order to simplify the complexity of ultrasonic and electromagnetic wave signal detection and improve the accuracy of partial discharge detection of power equipment, a sensor design idea ...
IEEE

Integrated Smart Trolley System: Arduino Nano-Based RFID Billing and Weight Sensor Augmentation

Abstract: In a shopping mart, imagine ten people waiting in line. If the first five people have many items in their carts, the last person with only one or two items may wait a long time to pay. To ...