Adafruit AS7331 UV / UVA / UVB / UVC Sensor Three types of UV, measured over I2C by Liz Clark published March 10, 2026, last edited April 28, 2026 posted in Adafruit Products Sensors/ Light Arduino Compatibles CircuitPython STEMMA Save New Favorite × Please sign in to include this guide in your list of favorites. You will be redirected back to this guide once you sign in, and can then save this guide as one of your favorites. Link Note Download Overview Pinouts CircuitPython & Python Python Docs Arduino Arduino Docs WipperSnapper Downloads Single page Feedback? Corrections? Text View Primary Products Adafruit AS7331 UV / UVA / UVB / UVC Sensor Breakout Out of Stock Featured Products view all STEMMA QT / Qwiic JST SH 4-Pin Cable - 50mm Long $0.95 Add to Cart STEMMA QT / Qwiic JST SH 4-pin Cable - 100mm Long $0.95 Add to Cart STEMMA QT / Qwiic JST SH 4-pin Cable with Premium Female Sockets $0.95 Add to Cart STEMMA QT / Qwiic JST SH 4-pin to Premium Male Headers Cable $0.95 Add to Cart JST SH 4-pin Cable with Alligator Clips - STEMMA QT / Qwiic Out of Stock 1 Beginner Product guide Arduino Docs Page last edited Text editor powered by tinymce. Arduino WipperSnapper