Environmental (temperature, humidity, air quality)
Browse our range of environmental sensors for monitoring temperature, humidity, barometric pressure, and air quality. From thermistors and digital temperature probes to multi-function breakout boards measuring gas and weather conditions, you'll find sensors compatible with Arduino, Raspberry Pi, and other popular platforms.
Ideal for weather stations, IoT projects, STEM education, and industrial monitoring. Whether you're a hobbyist, student, or professional, we ship across Australia from our local warehouse.
Fermion BMP581 Barometric Pressure & Temperature Sensor
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...
Delivered by Wed 4 Nov
STC31 CO2 Sensor (Qwiic)
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 ...
Delivered by Wed 4 Nov
BMP580 I2C/SPI Temperature and Pressure Sensor Breakout
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...
Delivered by Tue 17 Nov
Adafruit BMP581 I2C/SPI Temperature & Pressure Sensor
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...
Delivered by Tue 17 Nov
SGP41 VOC & NOx Gas Sensor Breakout
SKU: AF-6455 | Brand: Adafruit
Build a digital nose for indoor air quality projects with this SGP41 gas sensor breakout. The Sensirion SGP41 is a fully integrated MOX gas sensor with I2C interfacing, so you do not need to manage heater control or a...
Delivered by Tue 17 Nov
Digi X-ON LoRaWAN IoT Node & Gateway Kit (North America)
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...
Delivered by Wed 4 Nov
Gravity Factory-Calibrated Laser Methane CH4 Sensor
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...
Delivered by Wed 4 Nov
Gravity BMP585 Barometric Pressure & Temperature Sensor (I2C/UART)
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...
Delivered by Wed 4 Nov
Gravity BMP581 Barometric Pressure & Temperature Sensor - I2C/UART
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 ...
Delivered by Wed 4 Nov
Gravity HF Gas Sensor (Calibrated) - I2C/UART/Analogue
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...
Delivered by Wed 4 Nov
Gravity SFA40 Formaldehyde (HCHO) Sensor
SKU: DF-SEN0661 | Brand: DFRobot
This Gravity-series module is a high-precision electrochemical sensor for monitoring formaldehyde (HCHO) in indoor air. It is built around Sensirion’s SFA40 sensing chip and is designed to selectively detect HCHO whil...
Delivered by Wed 4 Nov
Gravity Calibrated NH3 Ammonia Sensor - I2C/UART
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...
Delivered by Wed 4 Nov
Adafruit SCD-43 True CO2, Temperature & Humidity Sensor
SKU: AF-6512 | Brand: Adafruit
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 integra...
Delivered by Tue 17 Nov