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Showing 1-20 of 60 products
SparkFun Humidity and Temperature Sensor Breakout - Si7021
A low-cost, highly accurate digital humidity and temperature sensor breakout board based on the Silicon Labs Si7021. Communicates over I²C with just two data lines, providing relative humidity and precise temperature readings for environmental monitoring projects. The breakout includes built-in ...
SparkFun CO₂ Humidity and Temperature Sensor - SCD40 (Qwiic)
The SparkFun SCD40 breakout board measures CO₂ concentration, humidity, and temperature using Sensirion's PASens photoacoustic measurement technology. The sensor detects CO₂ from 0 to 40,000 ppm with high accuracy over the 400–2,000 ppm range, and includes an integrated CMOSens temperature and hu...
SparkFun Environmental Combo Breakout - ENS160/BME280 (Qwiic)
A combined air quality and environmental sensor breakout featuring the ENS160 (air quality index, eCO2, TVOCs) and BME280 (temperature, humidity, barometric pressure) on a single Qwiic-enabled board. The two sensors work together — the BME280 provides real-time humidity and temperature data that ...
SparkFun Humidity Sensor Breakout - SHTC3 (Qwiic)
Looking to keep a log of the climate in your greenhouse, create a humidor control system or want to track temperature and humidity data for a weather station project? The SparkFun SHTC3 Humidity Sensor may be the perfect option for you! The SHTC3 is a low cost, easy-to-use, highly accurate digita...
SparkFun Environmental Sensor - BME688 (Qwiic)
The SparkFun BME688 Environmental Sensor is a breakout that combines a gas scanning sensor with temperature, humidity, and barometric pressure sensing for a complete environmental sensor in a single package. The gas sensor on the BME688 can detect a wide variety of volatile organic compounds (...
SparkFun Humidity and Temperature Sensor Breakout - HTU21D
The HTU21D is a low-cost, easy to use, highly accurate, digital humidity and temperature sensor. This sensor is ideal for environmental sensing and data logging and perfect for a weather stations or humidor control systems. All you need is two lines for I2C communication and you’ll have relative ...
SparkFun Temperature Sensor - STTS22H (Qwiic)
The SparkFun STTS22H is a Qwiic-enabled temperature sensor breakout based on ST Microelectronics' ultralow-power, high-accuracy digital temperature sensor. Factory calibrated to ±0.5°C accuracy without any application-level calibration needed, it's ideal for precision temperature monitoring. The...
SparkFun Environmental Combo Breakout - CCS811/BME280 (Qwiic)
The SparkFun CCS811/BME280 Environmental Combo Breakout takes care of all your atmospheric-quality sensing needs with the popular CCS811 and BME280 ICs. This unique breakout provides a variety of environmental data, including barometric pressure, humidity, temperature, TVOCs and equivalent CO2 (o...
SparkFun Digital Temperature Sensor Breakout - AS6212 (Qwiic)
The SparkFun AS6212 Digital Temperature Sensor Breakout delivers high-accuracy temperature measurements with excellent low power consumption. Using the AS6212 sensor from ams AG, it achieves ±0.2 °C accuracy across a wide range and consumes just 6 µA in normal operation. The breakout communicate...
SparkFun Atmospheric Sensor Breakout - BME280
The SparkFun BME280 Atmospheric Sensor Breakout measures barometric pressure, humidity, and temperature in a compact package. Whether you're building a weather station, home automation system, or indoor air quality monitor, this sensor covers all the key atmospheric conditions. The breakout prov...
SparkFun CO₂ Humidity and Temperature Sensor - SCD41 (Qwiic)
This SparkFun CO2 Humidity and Temperature Sensor features the next-generation SCD41 photoacoustic CO2 sensor for high-accuracy environmental readings. The SCD41 uses Sensirion's PASens® photoacoustic measurement system that combines narrow-band IR light and a microphone inside the sensing packag...
STCC4 + SHT41 CO2, Temperature & Humidity Sensor
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This compact breakout combines the STCC4 CO2 sensor with a Sensirion SHT41 temperature and humidity sensor for convenient indoor air monitoring. The STCC4 measures true CO2 using a thermal conductivity method rather than estimating from VOCs, and the onboard SHT41 helps improve the CO2 measuremen...
SparkFun Atmospheric Sensor Breakout - BME280 (with Headers)
The SparkFun BME280 Atmospheric Sensor Breakout measures barometric pressure, relative humidity, and temperature in a compact package. This version comes with headers pre-soldered for easy breadboard use or direct wiring. The breakout supports both I²C (5 V tolerant with on-board pull-up resisto...
SparkFun OpenLog Data Collector with Machinechat - Environmental Monitoring
The Environmental Monitoring version of the SparkFun OpenLog Data Collector Kit with Machinechat is an easy way to organize and display your data from an included BME280 Qwiic Atmospheric Sensor with the OpenLog Artemis and JEDI One. The SparkFun OpenLog Artemis (without IMU) is an open source da...
SparkFun Environmental Sensor Breakout - BME680 (Qwiic)
A complete environmental sensor breakout based on the Bosch BME680, combining gas sensing (VOC), temperature, humidity, and barometric pressure in a compact 25.4 × 25.4mm (1" × 1") board. The gas sensor detects a wide variety of volatile organic compounds for indoor air quality monitoring. Commu...
SparkFun Micro Temperature Sensor - STTS22H (Qwiic)
The SparkFun STTS22H Micro Temperature Sensor is a Qwiic-enabled breakout board based on the ultralow-power, high-accuracy, digital temperature sensor STTS22H from ST Microelectronics and housed in our Qwiic Micro form factor. Thanks to its factory calibration the STTS22H offers high-end accuracy...
SparkFun Digital Temperature Sensor - TMP102 (Qwiic)
The SparkFun TMP102 Qwiic breakout provides accurate digital temperature readings over I2C with minimal wiring. Based on the Texas Instruments TMP102, the sensor delivers 0.0625 °C resolution and ±0.5 °C accuracy, communicating entirely over the I2C bus — no analogue conversion needed. This vers...
SparkFun Atmospheric Sensor Breakout - BME280 (Qwiic)
The BME280 Atmospheric Sensor Breakout measures barometric pressure, relative humidity, and temperature from a single compact board. With both Qwiic (I2C) and 0.1″ header connections, it integrates easily into Arduino, Raspberry Pi, and other microcontroller projects — no soldering required when ...
Indoor Air Quality Combo Sensor - SCD41/SEN55 (Qwiic)
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Build a detailed indoor air monitor with this Qwiic combo board, pairing Sensirion’s SCD41 CO2 sensor with the SEN55 environmental sensor node. Together they measure CO2, volatile organic compounds (VOCs), particulate matter across PM1.0, PM2.5, PM4 and PM10, temperature and relative humidity.The...
STC31 CO2 Sensor (Qwiic)
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Measure high concentrations of carbon dioxide with a Qwiic breakout built around Sensirion’s STC31 sensor. It is designed for CO2 measurements up to 100% volume, using a thermal conductivity measurement principle and Sensirion CMOSens® technology for repeatable, stable readings.The board also inc...
