STEMMA QT 14-segment LED Alphanumeric Backpack - module with I2C driver for 14-segment displays

The VCNL4200 sensor module combines distance detection and ambient light measurement, ideal for applications such as robotics and home automation. Thanks to infrared technology, the detection range is up to 1.5 meters, and the built-in ALS sensor allows you to measure light intensity in the range of 0.003 to 1570 lux, making it a versatile solution for monitoring lighting conditions. Adafruit 6064

A module that allows you to easily connect displays and peripherals to the Raspberry Pi using an 18-pin FPC connector and supports SPI and I2C interfaces. Equipped with two buttons, a slide switch, and a Stemma QT connector, it allows you to quickly and conveniently expand your electronics projects. Adafruit 5783

High-end temperature and humidity sensor module, offering ±1.0% RH and ±0.1°C precision and full I2C communication. With 3.3 to 5V voltage compatibility, STEMMA QT connectors and IP67 protection, it is easy to integrate and resistant to harsh environmental conditions. Ideal for IoT projects, weather stations and automation systems requiring accurate measurements. Adafruit 6174

This adapter allows you to quickly connect Sensirion SEN6x sensors to microcontrollers and minicomputers. An integrated JST GH connector, 3.3V regulator, and logic level converter ensure full compatibility with 3.3V and 5V systems. Thanks to the STEMMA QT connector, the adapter supports I2C communication and works with Raspberry Pi, Arduino, Feather, and Sensirion libraries. Adafruit 6331

Rotary angle sensor module based on the AS5600, enabling contactless magnetic position measurement over a 0–360° range, featuring an I2C interface and STEMMA QT / Qwiic connectors for solderless connection. Adafruit 6357

A compact pressure and temperature module ideal for weather stations, drones, and IoT projects. It offers a measurement range of 300–1100 hPa with ±3 Pa accuracy and temperature measurement with ±1°C precision. With a built-in 3.3V regulator and logic level converter, it works with both 3V and 5V microcontrollers. STEMMA QT/Qwiic connectors make it easy to quickly connect and daisy-chain multiple sensors in a single system. Adafruit 6420

Infrared sensor module for presence and motion detection based on the STHS34PF80, featuring an I2C interface and STEMMA QT / Qwiic connectors, capable of detecting objects up to 4 m without a lens. Adafruit 6426

A precision barometric pressure and temperature sensor designed for advanced environmental measurement and altitude applications. It offers ultra-low noise, detecting elevation changes of approximately 1 cm, and high-accuracy pressure and temperature measurements. It supports I2C and SPI interfaces, providing flexible integration with a variety of microcontrollers. Adafruit 6413

A precise barometric pressure and temperature sensor, ideal for altimetry and environmental applications. It can detect changes in height as small as 1.5 cm and offers high relative accuracy of ±6 Pa. It supports I2C and SPI interfaces for flexible integration with microcontrollers. The pre-assembled module with STEMMA QT connectors facilitates quick connection in drones, wearable devices, and IoT projects. Adafruit 6411

This precision barometric pressure and temperature sensor is ideal for environmental applications. Its low noise floor allows for detection of elevation changes down to approximately 1 cm and offers a relative accuracy of ±0.4 Pa. It supports I2C and SPI interfaces for easy integration with microcontrollers. The pre-assembled module includes a built-in 3.3V regulator, logic level conversion, and STEMMA QT connectors. Adafruit 6407

A compact FIR temperature sensor enabling high-precision, non-contact measurement of objects. The medical version offers an accuracy of ±0.2°C over a range of 35 to 42°C, and in extended mode, it measures temperatures from -20°C to 100°C. The sensor communicates via I2C and is mounted on a STEMMA QT board with an integrated voltage regulator for easy integration with 3V and 5V microcontrollers. Adafruit 6403

A digital gas and air quality sensor that measures eCO2, TVOC, and the AQI air quality index. The device utilizes metal-oxide technology with four sensor sections and an embedded microcontroller, simplifying operation and integration with Arduino, Raspberry Pi, and CircuitPython platforms. The sensor supports I2C and SPI interfaces, as well as temperature and humidity compensation using an external sensor. The compact design and STEMMA QT/Qwiic standard allow for easy integration into projects. Adafruit 6431

A precise ultraviolet radiation sensor enabling independent measurement of three UV ranges: UVA, UVB, and UVC. The module communicates with a microcontroller via an I²C interface and offers high measurement sensitivity, enabling detection of very low radiation levels. The I²C address can be changed, allowing for connection of up to four sensors on a single bus. The STEMMA QT/Qwiic board allows for easy connection to platforms such as Arduino, Raspberry Pi, and systems supporting CircuitPython. Adafruit 6476

A multi-channel light and color sensor operating as a miniature spectrometer, enabling detailed analysis of the light spectrum. The device offers 14 measurement channels covering 11 visible light bands, a near-infrared (NIR) channel, an unfiltered channel, and flicker detection. Communication with the microcontroller is via an I²C interface, and the STEMMA QT/Qwiic board allows for quick connection to platforms such as Arduino and Raspberry Pi. The built-in 16-bit ADC and SMUX system ensure precise measurements and flexible management of detection channels. Adafruit 6477

This 3-axis magnetometer provides precise magnetic field measurement in the X, Y, and Z axes within a range of ±40 mT or ±80 mT. The system is equipped with a 12-bit ADC and a CORDIC angular calculation engine, which allows for positioning within a range of 0–360°, making it suitable for applications such as magnetic encoders, robotics, and positioning systems. Communication is via an I2C interface with CRC support and speeds up to 1 MHz, and the module is compatible with 3.3V and 5V logic. STEMMA QT/Qwiic connectors enable quick connection. Adafruit 6489

This 3-axis magnetometer enables precise magnetic field measurement in the X, Y, and Z axes within a range of ±133 mT or ±266 mT. The system is equipped with a 12-bit ADC and a CORDIC angular calculation engine, which allows for positioning within a range of 0–360°, making it suitable for applications such as magnetic encoders, robotics, and positioning systems. Communication is via an I2C interface with CRC support and speeds up to 1 MHz, and the module is compatible with 3.3V and 5V logic. STEMMA QT/Qwiic connectors enable quick connection. Adafruit 6490