UV (ultraviolet) sensors of all sorts have been an interest of mine. They become interesting when you find the diversity of real-world practical applications. While searching for affordable UV light ...

I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...

Adafruit has this week announced the availability of its new LTR390 UV Light Sensor and is one of the few low-cost UV sensors available on the market. Offering both ambient light and UVA sensing with ...