Environmental (temperature, humidity, air quality)

SKU: AF-6478 | Brand: Adafruit

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 t...

SKU: AF-6482 | Brand: Adafruit

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, includin...

SKU: SF-SEN-25200 | Brand: SparkFun

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...

SKU: DF-SEN0678 | Brand: DFRobot

This Gravity air quality module uses Sensirion’s STCC4 gas sensing chip to directly measure carbon dioxide with the thermal conductivity measurement principle. It is designed for compact, cost-effective indoor monitor...

SKU: DF-SEN0656 | Brand: DFRobot

The CT1780 is a cold-junction compensated amplifier for K-Type thermocouples, designed to make extreme temperature measurement easier to add to microcontroller projects. It digitises the tiny thermocouple signal and p...

SKU: DF-FIT0507-EN | Brand: DFRobot

This compact digital thermometer gives you a simple, low-cost way to monitor temperature in wet or enclosed environments. It has an integrated display and a 1 m probe cable, making it handy for greenhouses, fish tanks...

SKU: DF-SEN0666 | Brand: DFRobot

This compact Fermion breakout brings the Bosch BMP585 MEMS pressure and temperature sensor to a tiny board for projects where space, power use and reliable environmental sensing matter. It measures barometric pressure...

SKU: DF-SEN0663 | Brand: DFRobot

This ultra-compact particulate matter sensor breakout is built around the Bosch BMV080 sensing unit, using laser-based light scattering with a fanless measurement principle. It can monitor PM1, PM2.5 and PM10 mass con...

SKU: DF-SEN0667 | Brand: DFRobot

This compact Fermion module is built around Bosch Sensortec’s BMP581 high-performance barometric pressure sensor chip. It measures pressure and temperature with high precision, offering ±0.3 hPa typical absolute press...

SKU: SF-SEN-28868 | Brand: SparkFun

This wind vane is used to indicate the direction from which the wind is blowing. Inside the vane are eight switches, each paired with a unique resistor, allowing a microcontroller to read direction based on the vane’s...

SKU: SF-SEN-29260 | Brand: SparkFun

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 ...

SKU: AF-6411 | Brand: Adafruit

Bosch’s BMP580 is a precision barometric pressure, temperature and altimeter sensor for projects that need fine height or pressure tracking. It follows on from Bosch’s BMP2xx and BMP3xx sensors and can be used over ei...

SKU: AF-6407 | Brand: Adafruit

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...

SKU: SF-KIT-27213 | Brand: SparkFun

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 Environme...

SKU: DF-SEN0654 | Brand: DFRobot

This lab-grade methane sensor is designed for quantitative CH₄ measurement in research settings, using TDLAS technology to report methane concentration in %LEL rather than the broad estimates typical of MQ-style gas s...

SKU: DF-SEN0664 | Brand: DFRobot

Built around the Bosch BMP585 chip, this Gravity module measures barometric pressure and temperature for altitude, weather and environmental sensing projects. Its gel-filled cavity and industrial protective cover help...

SKU: DF-SEN0665 | Brand: DFRobot

This compact Gravity module brings Bosch BMP581 pressure and temperature sensing to microcontroller projects that need stable altitude or environmental readings. It is designed for applications such as drone altitude ...

SKU: DF-SEN0475 | Brand: DFRobot

Measure hydrogen fluoride concentration with a factory-calibrated electrochemical probe that supports analogue, I2C and UART output modes. It is designed for quickly building an HF concentration detector for industria...

SKU: DF-SEN0639 | Brand: DFRobot

This compact digital anemometer measures air velocity for embedded electronics and intelligent control systems. It is built around the Posifa PAV3015D thermal sensing element, using temperature differences across a th...

SKU: DF-SEN0469 | Brand: DFRobot

This calibrated gas sensor measures ammonia concentration in the environment using an electrochemical probe. It supports three output modes — analogue, I2C and UART — so it can slot into a wide range of microcontrolle...