I often used Amazon.com: General Tools UV512C Digital Ultraviolet UVC Light Meter, 220 to 270 nM : Industrial & Scientific but it’s bulky and expensive
There’s now…
Adafruit AS7331 UV / UVA / UVB / UVC Sensor Breakout - STEMMA QT / Qwiic
Product ID: 6476
The Adafruit AS7331 UVA / UVB / UVC Sensor Breakout is a perfect solution to UV sensing, no matter what ‘type’ you’re sensing. Most UV sensors do just UVA, maybe ambient light too. But the AS7331 can read and differentiate between all the three bands. That means you can use it for human and agricultural UV alerts that tend to focus on UVA and UVB as well as…
Arduino | Adafruit BMP580, BMP581, and BMP585 - Temperature and Pressure Sensor | Adafruit Learning System [and you can connect them with arduino UNO R4 or esp32]