This method gives a quick, approximate pH reading, making it ideal for home gardeners. Digital pH meters provide a more ...

Understanding the nature of pH has bedeviled beginning (and not-so-beginning) chemistry students for nearly as long as chemistry has had students. It all seems so arbitrary, being the base-10 log of ...

I'm looking to monitor the pH of a solution over time for some hobbyist chemistry. I don't need extreme accuracy by any means... being within .3 should be good enough.<BR><BR>Are there any reasonably ...

When you see a project with a digital display these days, you’ll be forgiven for assuming that there’s some kind of microcontroller behind the scenes. And while that’s often the easiest way to get a ...