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 basic Arduino board adds creativity, flexibility, and interactivity to your home lab. It costs little but opens countless ...

So, if the concentration of hydrogen ions exceeds 1 mole per liter, as in a 12 M hydrochloric acid solution, the calculated ...

Abstract: High-resolution mapping of pH can provide vital physiological information in environmental and biomedical applications. In this work, we develop active-matrix potentiometric sensors that ...