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.
ELECFREAKS PlanetX Waterproof 18B20 Temperature Sensor
SKU: EF-EF05041 | Brand: ElecFreaks
The PlanetX Waterproof 18B20 Temperature Sensor is a sensor that senses temperature and converts it into a usable output signal. It is waterproof and can be used for temperature measurement. It is usually used for the...
Delivered by Thu 2 Jul
Adafruit Chainable DS18B20 Extender Breakout - STEMMA JST PH 2mm
SKU: AF-5971 | Brand: Adafruit
The Adafruit Chainable DS18B20 Extender Breakout makes it easy to connect multiple DS18B20 temperature sensors in a daisy chain using standard STEMMA JST PH 2mm cables. Each breakout includes screw terminal blocks for...
Delivered by Mon 13 Jul
Adafruit SEN54 or SEN55 Adapter Breakout - STEMMA QT / Qwiic
SKU: AF-5964 | Brand: Adafruit
The Adafruit SEN54/SEN55 Adapter Breakout lets you quickly connect a Sensirion SEN5x environmental sensor node to any microcontroller or single-board computer via STEMMA QT / Qwiic — no soldering or breadboarding requ...
Delivered by Mon 13 Jul
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 Mon 13 Jul
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 Thu 2 Jul
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 Thu 2 Jul
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 Thu 2 Jul
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 Thu 2 Jul
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 Mon 13 Jul
SparkFun Temperature Sensor - STTS22H (Qwiic)
SKU: SF-SEN-21262 | Brand: SparkFun
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...
Delivered by Thu 2 Jul
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 Thu 2 Jul
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 Thu 2 Jul
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 Thu 2 Jul
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 Thu 2 Jul
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 Thu 2 Jul
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 Thu 2 Jul
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 Thu 2 Jul
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 Thu 2 Jul
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 Thu 2 Jul
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 Thu 2 Jul