Team members: Sagari Datta, Shuchang Dong, & John Michael LaSalle. The Problem : Risk hiding behind the splendid river bank Combined Sewer Overflows (CSO) occur when rain overwhelms combined sewer systems leading to untreated sewage entering rivers. This can make the water unsafe for human contact and harms aquatic organism health. The Schuylkill River in […]
Author: John Lasalle
Categories
Indicate water conductivity with an LED
In this tutorial, you will build a device that detects the conductivity of water and use it to control the brightness of an LED light. The conductivity of pure water is very low, but it increases when substances are dissolved in it (Check out this page from the USGS for more on the science behind […]