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.
Adafruit BNO055 + BMP280 BFF Add-On for QT Py
SKU: AF-5937 | Brand: Adafruit
The Adafruit BNO055 + BMP280 BFF is a compact add-on board that gives any QT Py or Xiao board powerful 9-degree-of-freedom (9-DoF) motion sensing plus barometric pressure and altitude measurement. It mounts directly o...
Delivered by Fri 18 Sep
SparkFun Environmental Combo Breakout - ENS160/BME280 (Qwiic)
SKU: SF-SEN-22858 | Brand: SparkFun
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 w...
Delivered by Mon 7 Sep
Fermion: MEMS Formaldehyde HCHO Gas Detection Sensor (Breakout, 0-3ppm)
SKU: DF-SEN0563 | Brand: DFRobot
Fermion: MEMS Formaldehyde HCHO Gas Detection Sensor employs state-of-the-art micro-electromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (<20mA),...
Delivered by Mon 7 Sep
Fermion: MEMS Nitrogen Dioxide NO2 Gas Detection Sensor (Breakout, 0.1-10ppm)
SKU: DF-SEN0574 | Brand: DFRobot
Fermion: MEMS Nitrogen Dioxide NO2 Gas Detection Sensor employs state-of-the-art micro-electromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (<20m...
Delivered by Mon 7 Sep
SparkFun CO₂ Humidity and Temperature Sensor - SCD40 (Qwiic)
SKU: SF-SEN-22395 | Brand: SparkFun
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 ove...
Delivered by Mon 7 Sep
Hackster & DFRobot EEDU Enviromental Sensor Kit (ESP32)
SKU: DF-TEM2022C-EN-1 | Brand: DFRobot
The Hackster and DFRobot EEDU Environmental Sensor Kit provides everything you need to get started with IoT environmental monitoring using an ESP32-based FireBeetle board. Build practical projects that monitor soil mo...
Delivered by Mon 7 Sep
AGS02MA I2C TVOC Gas Sensor
SKU: AF-5593 | Brand: Adafruit
The AGS02MA is a compact MOX-based TVOC (Total Volatile Organic Compounds) gas sensor with an I2C interface. It features a built-in ADC that outputs gas resistance and parts-per-billion (ppb) readings — higher ppb val...
Delivered by Fri 18 Sep
SparkFun OpenLog Data Collector with Machinechat - Environmental Monitoring
SKU: SF-KIT-20683 | Brand: SparkFun
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 Artem...
Delivered by Mon 7 Sep
SparkFun OpenLog Data Collector with Machinechat - Air Quality Monitoring
SKU: SF-KIT-20684 | Brand: SparkFun
The Air Quality Monitoring version of the SparkFun OpenLog Data Collector Kit with Machinechat is an easy way to organize and display your data from an included SGP40 Qwiic Air Quality Sensor with the OpenLog Artemis ...
Delivered by Mon 7 Sep
Gravity: AHT20 Temperature and Humidity Sensor
SKU: DF-SEN0528 | Brand: DFRobot
The AHT20 is a high-precision but low-cost temperature and humidity sensor, which is equipped with an improved MEMS semiconductor capacitive humidity sensor element. It features standard I2C interface and a wide volta...
Delivered by Mon 7 Sep
Fermion: MCP9808 High Accuracy I2C Temperature Sensor
SKU: DF-SEN0435 | Brand: DFRobot
Compared to DS18B20, LM35, and other common temperature sensors, the MCP9808 is one of the more accurate temperature sensing options, with a typical accuracy of ±0.25°C and maximum accuracy of ±0.5°C over the sensor's...
Delivered by Mon 7 Sep
Fermion: STS35 High Accuracy Digital Temperature Sensor (Breakout)
SKU: DF-SEN0434 | Brand: DFRobot
The STS35 temperature sensor from Sensirion gives a fully calibrated, linearized, and supply-voltage-compensated digital output and has an outstanding accuracy of up to +/–0.1°C. It provides an operating temperat...
Delivered by Mon 7 Sep
Gravity: H2 Sensor (Calibrated) - I2C & UART
SKU: DF-SEN0473 | Brand: DFRobot
This is a sensor that detects hydrogen concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentration of ...
Delivered by Mon 7 Sep
Gravity: ICP-10111 Pressure Sensor
SKU: DF-SEN0517 | Brand: DFRobot
This barometric pressure temperature sensor is equipped with TDK's newly-launched ICP-10111 barometric pressure sensor, which is based on MEMS capacitor technology to achieve ultra-low power consumption, industry-lead...
Delivered by Mon 7 Sep
Particle, VOC, Humidity, and Temperature Sensor - SEN54
SKU: SF-SEN-19325 | Brand: SparkFun
The SEN54 sensor module from Sensirion combines the measurement of particulate matter, VOC, humidity, and temperature in a single package. The SEN54 sensors provide fully calibrated outputs with a digital interface, a...
Delivered by Mon 7 Sep
Gravity: NO2 Sensor (Calibrated) - I2C & UART
SKU: DF-SEN0471 | Brand: DFRobot
This is a sensor that detects nitrogen dioxide concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentra...
Delivered by Mon 7 Sep
Fermion: ICP-10111 Pressure Sensor (Breakout)
SKU: DF-SEN0516 | Brand: DFRobot
This barometric pressure temperature sensor is equipped with TDK's newly launched ICP-10111 barometric pressure sensor, which is based on MEMS capacitor technology to achieve ultra-low power consumption, industry-lead...
Delivered by Mon 7 Sep
Gravity: HCL Sensor (Calibrated) - I2C & UART
SKU: DF-SEN0474 | Brand: DFRobot
This is a sensor that detects hydrogen chloride concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentr...
Delivered by Mon 7 Sep
Gravity: CL2 Sensor (Calibrated) - I2C & UART
SKU: DF-SEN0468 | Brand: DFRobot
This is a sensor that detects chlorine concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentration of ...
Delivered by Mon 7 Sep
Gravity: O3 Sensor (Calibrated) - I2C & UART
SKU: DF-SEN0472 | Brand: DFRobot
This is a sensor that detects ozone concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentration of ozo...
Delivered by Mon 7 Sep