Ultraviolet radiation in the shortest wavelength ... a meter that measures the output of their UV-C sterilizer the NukeBox. It is built around a $2.50 sensor and a $3 Arduino.
Ultraviolet autoclaves and sterilizers produce UV light exerting a lethal effect on unwanted disease causing organisms. They can destroy pathogens, bacteria, mold spores, yeast, protozoa, fungi and ...