What building a Smart Blind Stick taught me about robotics and practical learning

Discover how building a Smart Blind Stick transformed my understanding of robotics and practical learning through hands-on experience.
GitHub

Arduino Ultrasonic Distance Sensor with Buzzer and LED Control

This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...
GitHub

Arduino radar / 180° ultrasonic scanner using HC-SR04 + servo — Arduino sketch + Processing visualization

Project Overview: This project involves creating a functional radar system using an ultrasonic sensor, Arduino Uno, and a breadboard. The radar is capable of detecting objects within a specified range ...
New Atlas

Ultrasonic wristband used to track hand movements like never before

Despite decades of technological progress, robots still can’t move as smoothly as humans – they drop objects, and struggle to ...
CNX Software

NASA Artemis Watch 2.0 – An ESP32-S3-powered, NASA-inspired wearable kit for education

CircuitMess NASA Artemis Watch 2.0 is a programmable, NASA-themed smartwatch based on an ESP32-S3 WiFi and Bluetooth module ...

Hall Lidar Launches Low Cost Acoustic Sensing Drone Detection Technology for Counter-UAS systems and Stealth Monitoring

AI-powered platform delivers covert, precise drone detection, using the most advanced acoustic, radar, manufactured in the United States BOZEMAN, Mont., April 15, 2026 /PRNewswire/ -- Hall Lidar Inc, ...
IEEE

Codeword-Based Auto-Correlation Receiver for Ultrasonic Time-Code-Indexed Modulation Systems

Abstract: Ultrasonic index modulation can effectively improve the spectral efficiency and energy efficiency of intra-body communication systems. This letter proposes a codeword-based auto-correlation ...