Adafruit AS7331 UV / UVA / UVB / UVC Sensor Breakout
STEMMA QT / Qwiic I2C breakout for the AS7331 UV sensor measuring UVA, UVB, and UVC channels independently. Configurable gain, READY output, SYNC input, and I2C address jumpers; 3.3 V or 5 V logic compatible.
Pinout
- VINType ยท Power
- GNDType ยท Ground
- SCLType ยท I2C
- SDAType ยท I2C
- STEMMA QT connectorsType ยท I2C
- SYNCType ยท GPIO
- RDYType ยท GPIO
- I2C address jumpersType ยท Unknown
- Power LED jumperType ยท Unknown
| Pin | Type |
|---|---|
| VIN | Power |
| GND | Ground |
| SCL | I2C |
| SDA | I2C |
| STEMMA QT connectors | I2C |
| SYNC | GPIO |
| RDY | GPIO |
| I2C address jumpers | Unknown |
| Power LED jumper | Unknown |
Pin details
9 connections- VINPower
- GNDGround
- SCLI2C
- SDAI2C
- STEMMA QT connectorsI2C
- SYNCGPIO
- RDYGPIO
- I2C address jumpersUnknown
- Power LED jumperUnknown
Start wiring
I2C ยท Analog ยท 3.3 โ 5 V ยท Breakout
Adafruit describes the CdS photoresistor as a light sensor whose resistance falls as light increases, and its product page gives an exampโฆ
Module pins: VIN, GND, SCL, SDA. Schematik maps them to your board in the app.
Light & color
79 other optionsCdS photoresistors, I2C lux sensors like VEML7700 and TSL2591, multi-channel spectral sensors, UV detectors and TCS-series color sensors โ about 80 listings for anything that responds to photons.
Adafruit ALS-PT19 Analog Light Sensor Breakout visual previewAdafruit ALS-PT19 Analog Light Sensor Breakout
Adafruit APDS9960 Proximity, Light, RGB, and Gesture Sensor visual previewAdafruit APDS9960 Proximity, Light, RGB, and Gesture Sensor
Adafruit APDS9999 Proximity, Lux Light & Color Sensor visual previewAdafruit APDS9999 Proximity, Lux Light & Color Sensor
$7.50
Adafruit AS7262 6-Channel Visible Light / Color Sensor Breakout visual previewAdafruit AS7262 6-Channel Visible Light / Color Sensor Breakout
$19.95
Adafruit AS7341 10-Channel Light / Color Sensor Breakout visual previewAdafruit AS7341 10-Channel Light / Color Sensor Breakout
$18.95
Adafruit AS7343 14-Channel Light / Color Sensor Breakout visual previewAdafruit AS7343 14-Channel Light / Color Sensor Breakout
$19.95
Adafruit Infrared IR Remote Receiver - STEMMA JST PH 2mm visual previewAdafruit Infrared IR Remote Receiver - STEMMA JST PH 2mm
$4.95
Adafruit LTR390 UV Light Sensor - STEMMA QT / Qwiic visual previewAdafruit LTR390 UV Light Sensor - STEMMA QT / Qwiic
$4.95
Adafruit MAX44009 Wide-Range Lux Light Sensor visual previewAdafruit MAX44009 Wide-Range Lux Light Sensor
$12.50
Adafruit OPT4048 Tri-Stimulus XYZ Color and Lux Sensor visual previewAdafruit OPT4048 Tri-Stimulus XYZ Color and Lux Sensor
$9.95
Adafruit Right Angle VEML7700 Lux Sensor - I2C visual previewAdafruit Right Angle VEML7700 Lux Sensor - I2C
$4.95
Adafruit STEMMA Reflective Photo Interrupt Sensor - TCRT1000 visual previewAdafruit STEMMA Reflective Photo Interrupt Sensor - TCRT1000
$4.95
Related groups
4 groups
BOSON: Heart Rate Monitor Sensor i20 visual previewBiometrics
UART/I2C fingerprint modules, MAX30102 PPG breakouts, and analog ECG/EMG front-ends for access control and hobby biometric sensing.
Sensors ยท Biometric sensors ยท 26 parts
0.3M Pixel Serial JPEG Camera Module visual previewCameras
Pi CSI modules, USB cameras, MCU-class OV2640/OV5640 boards, on-camera AI like HuskyLens and OpenMV, and thermal or ToF imagers โ over 130 listings across very different pipelines.
Sensors ยท Cameras & vision ยท 141 parts
0.28 Inch LED Digital DC Voltmeter - Green visual previewPower monitors
INA-series I2C monitors, Hall-effect sensors like the ACS723 and Gravity 20A/50A boards, and non-invasive CT clamps for everything from 3.3V rail telemetry to mains current sensing.
Sensors ยท Current & voltage ยท 25 parts
25m Long Distance ToF Laser Sensor (ยฑ3cm Accuracy, 100Hz, 100K LUX Resistant) visual previewDistance sensors
About 180 listings spanning VL53-series ToF breakouts, HC-SR04 and MaxSonar ultrasonics, 360ยฐ triangulation LiDARs, IR proximity sensors, 24GHz mmWave presence detection and laser break-beam sensors.
Sensors ยท Distance sensors ยท 177 parts