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Showing 1-20 of 23 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 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 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...
Adafruit HTS221 - Temperature & Humidity Sensor Breakout Board
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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...
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 ...
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 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 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 (...
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...
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 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 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 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...
Adafruit SCD-43 True CO2, Temperature & Humidity Sensor
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This compact breakout measures true ambient CO2 concentration using photoacoustic sensor technology, rather than estimating CO2 from VOC gas concentration. It reports CO2 in parts per million and also includes integrated temperature and humidity sensing, making it useful for indoor air quality, v...
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...
Adafruit BME280 I2C or SPI Temperature Humidity Pressure Sensor
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Measure indoor environmental conditions with Bosch’s BME280 sensor on an easy-to-use Adafruit breakout. It combines temperature, barometric pressure and humidity sensing in a compact board that suits weather stations, room monitoring, data logging and altitude-aware projects.The sensor can commun...
SparkFun Qwiic Kit for Raspberry Pi
The SparkFun Qwiic Kit for Raspberry Pi provides everything you need to start using I2C sensors and displays with your Raspberry Pi via the Qwiic connector system. The kit includes a Qwiic HAT that adds four Qwiic connectors to your Pi's GPIO header, along with three sensor/display breakouts and ...
Digi X-ON LoRaWAN IoT Node & Gateway Kit (North America)
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This kit brings together the main parts needed to evaluate and deploy a LoRaWAN® IoT sensor system: a Digi HX15 Gateway for LoRaWAN®, a SparkFun IoT Node for LoRaWAN® board and a SparkFun ENS160/BME280 Qwiic Environmental Combo Board.The IoT Node ships with firmware installed that automatically c...
Digi X-ON LoRaWAN Kit (Europe)
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This LoRaWAN® IoT kit brings together a Digi HX15 Gateway, a SparkFun IoT Node for LoRaWAN® board and a SparkFun ENS160/BME280 Qwiic Environmental Combo Board to help you get a connected sensor system running quickly.The included IoT Node ships with firmware that connects to Digi X-ON™, detects a...
SparkFun Thing Plus - NINA-B306
The SparkFun NINA-B306 Thing Plus offers a unique combination development platform in the Thing Plus form factor featuring the NINA-B306 from u-blox™, the ISM330DHCX 6DoF IMU from STMicroelectronics™ and the BME280 atmospheric sensor from Bosch Sensortec™. The NINA-B306 is a combination Bluet...
