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 ENS160 MOX Gas Sensor - Sciosense CCS811 Upgrade
SKU: AF-5606 | Brand: Adafruit
The Adafruit ENS160 is a fully integrated metal-oxide (MOX) gas sensor from ScioSense, designed as a drop-in upgrade for the now-discontinued CCS811. It combines multiple MOX sensing and heating elements on a single c...
Delivered by Fri 18 Sep
Adafruit SHT45 Trinkey - USB Temp and Humidity Sensor with PTFE
SKU: AF-6260 | Brand: Adafruit
The Adafruit SHT45 Trinkey is a tiny USB A device that combines an ATSAMD21 microcontroller with Sensirion's highest-precision SHT45 temperature and humidity sensor, protected by a PTFE filter. Simply plug it into any...
Delivered by Fri 18 Sep
RS485 Ultraviolet (UV) Intensity Measure Sensor (290-390nm, UVA, UVB)
SKU: DF-SEN0642 | Brand: DFRobot
An industrial-grade RS485 UV sensor that measures ultraviolet intensity (0–15 mW/cm²) and UV index (0–15) across the 290–390 nm wavelength range, covering both UVA and UVB bands. It communicates via the Modbus-RTU pro...
Delivered by Mon 7 Sep
Adafruit LPS28 (LPS28DFW) Pressure Sensor - STEMMA QT / Qwiic
SKU: AF-6067 | Brand: Adafruit
The Adafruit LPS28 Pressure Sensor Breakout features the ST LPS28DFW — a barometric pressure sensor with an extended range up to 4060 hPa, far beyond the ~1260 hPa limit of most competing sensors. This makes it suitab...
Delivered by Fri 18 Sep
ELECFREAKS PlanetX MQ5 Sensor
SKU: EF-EF05033 | Brand: ElecFreaks
The ELECFREAKS PlanetX MQ5 Sensor is an essential sensor for environmental detection. The ELECFREAKS PlanetX MQ5 Sensor can be used to detect the leakage of flammable gas, you can use it to make a household gas leak a...
Delivered by Thu 10 Sep
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 10 Sep
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
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
MIKROE Weather Click
SKU: SF-SEN-18823 | Brand: SparkFun
MIKROE Weather Click carries BME280 integrated environmental unit from Bosch. It’s a sensor that detects humidity, pressure, and temperature, specifically designed for low current consumption and long-term stability. ...
Delivered by Thu 27 Aug
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: 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
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
Fermion: MEMS Gas Sensor - MiCS-5524 (Breakout)
SKU: DF-SEN0440 | Brand: DFRobot
A compact MEMS gas sensor breakout based on the MiCS-5524, capable of detecting concentrations of multiple gases including carbon monoxide (CO), methane (CH4), ethanol (C2H5OH), propane (C3H8), butane (C4H10), hydroge...
Delivered by Mon 7 Sep
Fermion: SHT31-F Digital Temperature & Humidity Sensor (Breakout)
SKU: DF-SEN0332 | Brand: DFRobot
This Digital Temperature & Humidity Sensor Breakout Board is based upon the Sensirion SHT31-F sensor IC. Thanks to Sensirion’s CMOSens® technology, highly integrated capacitive humidity sensing components and band-gap...
Delivered by Mon 7 Sep