All Products

SKU: AF-6491 · MPN: ADA6491

This compact breakout combines a Vishay VCNL4030 proximity sensor and ambient light sensor on one board. It can measure proximity from 0 to 300mm (about 12 inches) and light from 0.004 to 16,768 lux, making it a handy option for touchless controls, presence detection and light-aware projects.The ...

SKU: AF-6482 · MPN: ADA6482

Built around Texas Instruments' TMP119, this breakout makes it easy to add extremely accurate temperature monitoring to your project over I2C. It is designed for applications where temperature really matters, including thermostats, cold chain asset tracking, and gas or heat metering, and it can a...

SKU: AF-6426 · MPN: ADA6426

The Adafruit STHS34PF80 is a compact IR presence and motion sensor that detects human and animal presence up to 4 metres away — without requiring a lens. Unlike traditional chunky PIR sensors with simple digital output, this sensor provides a full I2C interface with detailed readings on IR intens...

SKU: AF-4634

Add motion, direction and orientation sensing to your project with this compact STEMMA QT version of the LSM9DS1 9-DOF sensor from Adafruit. The LSM9DS1 combines a 3-axis accelerometer, 3-axis magnetometer and 3-axis gyroscope into a single chip for full orientation tracking. This version featur...

SKU: AF-6335 · MPN: ADA6335

A modern take on the common RGB colour sensor — the OPT4048 provides true CIE XYZ tri-stimulus output so you can match readings directly to standard colour spaces. It also calculates colour temperature (based on CIE) and lux measurements up to 144 kLux, making it suitable for everything from dim ...

SKU: AF-4632

The Adafruit PMSA003I Air Quality Breakout is a compact laser-scattering particulate matter sensor with an I2C interface — a significant advantage over the UART-based sensors that dominate this category. Simply connect via STEMMA QT / Qwiic and start reading air quality data with no soldering req...

SKU: AF-4831

The Adafruit LTR390 is a dual-purpose UV and ambient light sensor with true UVA sensing at a peak spectral response between 300 and 350 nm. Unlike UV index approximation sensors, the LTR390 has a genuine UV photodiode — giving you real ultraviolet light measurements over a simple I2C interface. ...

SKU: AF-4885

The Adafruit Sensirion SHT40 is a high-accuracy temperature and humidity sensor featuring a true I2C interface for simple two-wire communication. Part of the fourth generation of Sensirion's acclaimed SHT sensor family, it delivers excellent measurement precision in a compact, easy-to-use breakou...

SKU: AF-4494

The Adafruit DPS310 is a high-precision barometric pressure and altitude sensor from Infineon, mounted on a breakout board with STEMMA QT / Qwiic connectors for solderless I2C wiring. It delivers ±1 hPa absolute accuracy and up to ±0.002 hPa relative precision in high-precision mode — equivalent ...

SKU: AF-5626

Need to use multiple I2C devices that share the same address? The PCA9548 8-Channel STEMMA QT / Qwiic I2C Multiplexer lets you connect up to eight same-address I2C devices with completely solderless wiring. Nine JST SH connectors (1 input + 8 outputs in two rows of four) make it plug-and-play wit...

SKU: AF-6407 · MPN: ADA6407

This Bosch BMP581 breakout is a precision barometric pressure, temperature and altimeter sensor for environmental sensing, drones, wearables and projects that need to track height above sea level. It offers much finer pressure precision than earlier BMP2xx and BMP3xx generations, making it well s...

SKU: AF-4716

The Adafruit MS8607 is a factory-calibrated 3-in-1 sensor that measures barometric pressure, relative humidity, and temperature over I2C. Made by TE Connectivity, this PHT (Pressure, Humidity, Temperature) sensor is a compact, all-in-one solution for weather stations, environmental monitoring, an...

SKU: AF-4832

The Adafruit HTU31 is a third-generation I²C temperature and humidity sensor from TE, offering improved accuracy and useful extras over its predecessor, the HTU21D. With typical humidity accuracy of ±2% (at 20–100% RH, 0–70°C) and temperature accuracy of ±0.2°C (0–100°C), it delivers reliable env...

SKU: AF-5664

Need to use multiple I2C devices that share the same address? The PCA9546 4-Channel STEMMA QT / Qwiic I2C Multiplexer lets you connect up to four same-address I2C devices with completely solderless wiring. Five JST SH connectors (1 input + 4 outputs) make it plug-and-play with any STEMMA QT or Qw...

SKU: AF-5610

The Adafruit LTR-303 is a low-cost I2C digital light sensor that provides 16-bit measurements for both infrared and visible+IR spectrums. Subtract one from the other to get human-visible light readings. With configurable gain and integration time, it can measure from 0 to over 65,000 lux — suitab...

SKU: AF-6349 · MPN: ADA6349

The Adafruit INA238 is a precision DC power monitor capable of measuring current, voltage, and power on either the high or low side of your circuit. With support for up to +85V DC common-mode voltage and a 16-bit ADC, it delivers accurate measurements from microamps to 10A — all over a simple I2C...

SKU: AF-4566

The Adafruit AHT20 is an affordable I2C temperature and humidity sensor from the makers of the popular DHT22. It delivers reliable readings with standard I2C communication, making it easy to use with any Arduino, Raspberry Pi or other microcontroller. This STEMMA QT version features solderless c...

SKU: AF-6027 · MPN: ADA6027

The Adafruit DS2482S-800 is an 8-channel I2C-to-1-Wire bus adapter on a STEMMA QT breakout board. It allows any I2C-capable microcontroller or single-board computer to communicate with 1-Wire devices — most commonly DS18B20 temperature sensors — without needing to bit-bang the 1-Wire protocol. T...

SKU: AF-4535

The Adafruit HTS221 is an affordable I²C/SPI temperature and humidity sensor breakout board from ST. It measures relative humidity from 0–100% RH with 3.5% accuracy (in the 20–80% range) and temperature from -40 to 120°C with ±0.5°C accuracy (between 15 and 40°C). An excellent choice for everyday...

SKU: AF-4415

The Adafruit Mini GPS PA1010D is a compact 25×25 mm GPS/GNSS breakout with a built-in patch antenna, dual UART and I2C interfaces, and STEMMA QT connectors for solderless plug-and-play use. Powered by the MTK3333 chipset, it supports GPS, GLONASS, Galileo, and QZSS satellite systems with up to 10...