Arduino & Grove-UV sensor. Getting back, the module outputs a calibrated analog voltage which varies with the UV light intensity so basically all you need to do is connect this to an ADC input and ...

It is built around a $2.50 sensor and a $3 Arduino. ... So, it can be used as a UV-C sensor if you know how sensitive it is to this particular frequency band. However, ...

Because of the affordability and seeming ubiquity of the Arduino platform, they have been hard at work this last month trying to get their Geiger counter sensor board for an Arduino out the door ...