As I've experimented and played with a lot of different sensors, I've discovered that these basic devices can be built for ...

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 ...

A unique luminescent probe uses terbium, a rare earth metal, to sense the presence of an enzyme called β-glucuronidase, a biomarker for liver cancer ...

This Arduino code utilizes an ultrasonic sensor to measure distances. When an object is detected within a fix distance , the connected motors trigger a sequence: move backward, turn right, turn left, ...

Deep cleaning teeth helps get rid of bad breath and promotes healing of gum disease. But deep cleanings have risks too. Learn the pros and cons of deep dental cleaning.

The smart water controller for metro water supply lines described in this work makes use of a relay, an ultrasonic sensor, a flow sensor, a solenoid valve, GPS, and GSM. The planned system is intended ...

An obstacle-avoiding robot using an ultrasonic sensor and motor control, programmed with Arduino to autonomously navigate and avoid obstacles by stopping, reversing, and turning.