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.
SparkFun Photoacoustic Spectroscopy CO2 Sensor - PASCO2V01 (Qwiic)
SKU: SF-SEN-22956 | Brand: SparkFun
The SparkFun Photoacoustic Spectroscopy CO2 Sensor features the Infineon XENSIV PAS CO2 (PASCO2V01) sensor, which delivers highly accurate CO2 measurements in direct parts-per-million (ppm) format. The photoacoustic s...
Delivered by Thu 2 Jul
Gravity: H2S Sensor (Calibrated) - I2C & UART
SKU: DF-SEN0467 | Brand: DFRobot
This is a sensor that detects hydrogen sulfide 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
Gravity: O2 Sensor (Calibrated) - I2C & UART
SKU: DF-SEN0465 | Brand: DFRobot
This is a sensor that detects oxygen 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 ox...
Delivered by Thu 2 Jul
Gravity: SO2 Sensor (Calibrated) - I2C & UART
SKU: DF-SEN0470 | Brand: DFRobot
A factory-calibrated electrochemical sulfur dioxide (SO2) sensor with I2C, UART, and analogue output modes. Part of the DFRobot Gravity gas sensor series, this module quickly and accurately measures SO2 concentration ...
Delivered by Thu 2 Jul
Gravity: Air Pressure Sensor (15-700kPa) - I2C - MPX5700AP
SKU: DF-SEN0456 | Brand: DFRobot
This is a Arduino compatible pressure sensor module with a measuring range of 15-700kPa, which supports I2C digital output and can be calibrated according to known pressure values and allows fast and accurate measurem...
Delivered by Thu 2 Jul
Adafruit LPS35HW Water Resistant Pressure Sensor
SKU: AF-4258 | Brand: Adafruit
The Adafruit LPS35HW is a water-resistant barometric pressure and temperature sensor from ST. The sensing element is housed in a ceramic package with waterproof gel protection, making it safe to use in damp and humid ...
Delivered by Tue 23 Jun
Adafruit BMP280 I2C or SPI Barometric Pressure Altitude Sensor
SKU: AF-2651 | Brand: Adafruit
The BMP280 from Bosch is a precision barometric pressure and temperature sensor, and the next-generation upgrade to the BMP085/BMP180/BMP183 family. With support for both I2C and SPI communication, it offers flexibili...
Delivered by Tue 23 Jun
Adafruit BMP585 Ported I2C / SPI Temperature and Pressure Sensor
SKU: AF-6413 | Brand: Adafruit
The BMP585 from Bosch is a ported barometric pressure and temperature sensor featuring a tube attachment point for differential or remote pressure measurements. It delivers exceptional precision with altitude noise as...
Delivered by Mon 13 Jul
Sensirion Particle, VOC, Humidity, and Temperature Sensor - SEN55
SKU: SF-SEN-23715 | Brand: SparkFun
The SEN55 environmental node is a straightforward, all-in-one sensor solution platform for the accurate measurement of various environmental parameters, such as particulate matter, volatile organic compounds (VOCs), o...
Delivered by Thu 2 Jul
Gravity: CO Sensor (Calibrated) - I2C & UART
SKU: DF-SEN0466 | Brand: DFRobot
This is a sensor that detects carbon monoxide 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 carbon ...
Delivered by Thu 2 Jul
Breadboard Friendly I2C Temperature Sensor - TC74A0
SKU: AF-4375 | Brand: Adafruit
A simple I2C temperature sensor in a breadboard-friendly TO-220 package. The TC74A0 provides basic temperature readings with ±2°C accuracy — a straightforward choice when you need easy temperature logging or monitorin...
Delivered by Tue 23 Jun
Gravity: SHT31-F Digital Temperature and Humidity Sensor
SKU: DF-SEN0334 | Brand: DFRobot
Gravity: SHT31-F digital temperature and humidity sensor 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 Thu 2 Jul
Gravity: I2C Non-contact IR Temperature Sensor (MLX90614-DCI)
SKU: DF-SEN0263 | Brand: DFRobot
We can divide temperature measurement in to two types: contact and non-contact. Contact measurement can only accurately measure temperature when the testing object and the sensor reach thermal equilibrium. This ca...
Delivered by Thu 2 Jul
Adafruit BME680 - Temperature, Humidity, Pressure and Gas Sensor
SKU: AF-3660 | Brand: Adafruit
The BME680 from Bosch delivers comprehensive environmental sensing in a single compact package. This precision sensor measures temperature, humidity, barometric pressure, and VOC gas levels, all accessible over I2C or...
Delivered by Mon 13 Jul
SHT20 I2C Temperature Humidity Sensor (Waterproof Probe)
SKU: DF-SEN0227 | Brand: DFRobot
This SHT20 I2C temperature & humidity sensor is equipped with waterproof probe. It comes with the 4C CMOSens® SHT20 temperature & humidity sensor chip and the probe has gone through dual waterproof protection test...
Delivered by Thu 2 Jul
Adafruit SPA06-003 Temperature + Pressure Sensor
SKU: AF-6420 | Brand: Adafruit
The Adafruit SPA06-003 is an affordable barometric pressure and temperature sensor from Goertek, ideal for basic environmental sensing and DIY quadcopter builds. It measures 300–1100 hPa (approximately −500 to +9000 m...
Delivered by Mon 13 Jul
Air Quality and Environmental Control HAT for Raspberry Pi
SKU: KI-5038 | Brand: Kitronik
The Kitronik Air Quality Control HAT for Raspberry Pi lets you monitor, log, and react to environmental data using the BME688 sensor. It measures temperature, pressure, humidity, air quality index, and eCO2, with an o...
Delivered by Tue 23 Jun
Adafruit SEN6x Breakout for Sensirion SEN66 - STEMMA QT / Qwiic
SKU: AF-6331 | Brand: Adafruit
The Adafruit SEN6x Breakout lets you quickly connect a Sensirion SEN66 (or other SEN6x) environmental sensor node to any microcontroller or single-board computer via STEMMA QT / Qwiic — no soldering or breadboarding r...
Delivered by Mon 13 Jul
Lark Weather Station - Portable Educational Weather Device (Compatible with Arduino, micro:bit, ESP32)
SKU: DF-EDU0157-EN | Brand: DFRobot
The Lark Weather Station is a compact, all-in-one portable weather device that measures wind speed, wind direction, temperature, humidity, and air pressure. It supports real-time data output via I2C and UART, making i...
Delivered by Thu 2 Jul
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 Mon 13 Jul