Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Abstract: A PIR-based security system that reduces energy use and recording system memory requirements has been proposed. a warm-blooded moving thing within the area of passive infrared radiation (PIR ...

Abstract: This letter proposes a hidden Markov model–Gaussian mixture Model-based tandem approach for efficient classification of human and animal footfall signals acquired from seismic sensors buried ...

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 ...

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 ...