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.
I2C Temperature & Humidity Sensor (Stainless Steel Shell)
SKU: DF-SEN0546 | Brand: DFRobot
This I2C digital temperature & humidity sensor offers high accuracy of ±3.0RH% for humidity and ±0.5°C for temperature and features a user-programmable humidity & temperature alarm function.Its housing is made of 304 ...
Delivered by Tue 23 Jun
SHT31 Weather-proof Temperature Humidity Sensor
SKU: DF-SEN0385 | Brand: DFRobot
This is an SHT31 Temperature & Humidity sensor housed in a weather-proof enclosure. The sensor is designed to be waterproof so you can use it safely in outdoor projects. Please note that although the sensor is waterpr...
Delivered by Thu 2 Jul
Multi-function Environmental Module - CCS811+BME280
SKU: DF-SEN0335 | Brand: DFRobot
Build up a simple environmental monitor station with this multi-function environment sensor! Based on the combination of CCS811+BME280 chip, this module features high accuracy, I2C interface, and fast Measurement. ...
Delivered by Tue 23 Jun
BMP390 High Precision Barometric Pressure Sensor, Barometric Pressure / Altitude / Temperature Measuring
SKU: WS-24658 | Brand: Waveshare
BMP390 High Precision Barometric Pressure Sensor, Barometric Pressure / Altitude / Temperature Measuring BMP390 High Precision Barometric Pressure Sensor Suitable for Barome...
Delivered by Tue 23 Jun
Adafruit Sensirion SHT45 Precision Temperature & Humidity Sensor
SKU: AF-5665 | Brand: Adafruit
The Adafruit Sensirion SHT45 is the highest-accuracy sensor in the SHT4x family, delivering ±1.0% typical relative humidity accuracy and ±0.1 °C typical temperature accuracy. This version does not include a PTFE membr...
Delivered by Tue 23 Jun
Adafruit MCP9808 High Accuracy I2C Temperature Sensor Breakout
SKU: AF-5027 | Brand: Adafruit
The Adafruit MCP9808 is a high-accuracy digital temperature sensor with ±0.25°C typical accuracy over its −40°C to +125°C range and 0.0625°C resolution. It communicates over standard I2C and runs on 2.7V to 5.5V power...
Delivered by Tue 23 Jun
SparkFun CO₂ Humidity and Temperature Sensor - SCD41 (Qwiic)
SKU: SF-SEN-22396 | Brand: SparkFun
This SparkFun CO2 Humidity and Temperature Sensor features the next-generation SCD41 photoacoustic CO2 sensor for high-accuracy environmental readings. The SCD41 uses Sensirion's PASens® photoacoustic measurement syst...
Delivered by Thu 2 Jul
Fermion: SHT40 Temperature & Humidity Sensor (Breakout)
SKU: DF-SEN0428 | Brand: DFRobot
The SHT4X is the 4th generation digital temperature and humidity sensor from Sensirion. In line with Sensirion’s industry-proven humidity and temperature sensors, the SHT40 offers consistent high accuracy within measu...
Delivered by Thu 2 Jul
Humidity and Temperature Sensor - DHT20
SKU: SF-SEN-18364 | Brand: SparkFun
The DHT20 is a factory-calibrated digital humidity and temperature sensor with an I²C interface. An upgrade to the popular DHT11/DHT22 series, it provides reliable environmental measurements without requiring addition...
Delivered by Tue 23 Jun
Adafruit EMC2101 I2C PC Fan Controller and Temperature Sensor - STEMMA QT / Qwiic
SKU: AF-4808 | Brand: Adafruit
The Adafruit EMC2101 breakout is an I2C fan controller and temperature sensor that makes it easy to integrate 3-pin or 4-pin PC fans into your projects. The Microchip/SMSC EMC2101 handles PWM speed control and tachome...
Delivered by Mon 13 Jul
M5StickC ENV Hat (DHT12, BMP280, BMM150)
SKU: M5-U053 | Brand: Little Bird
Description Hat ENV It is able to detect the temperature, humidity, air pressure and magnetic field. This product relates via I2C protocol which allows you to obtain 4 types of environment data thru just 2pins...
Delivered by Tue 23 Jun
Humidity and Temperature Sensor Module
SKU: FT-HUMID | Brand: Freetronics
Measure temperature and relative humidity with this simple, Arduino-compatible sensor module based on the DHT22. With just three connections (GND, power, and data), you can read both temperature and humidity from a si...
Delivered by Tue 23 Jun
Fermion: SHT30 Digital Temperature & Humidity Sensor (Breakout)
SKU: DF-SEN0330 | Brand: DFRobot
This Digital Temperature & Humidity Sensor Breakout Board is based upon the Sensirion SHT30 sensor IC. Thanks to Sensirion’s CMOSens® technology, highly integrated capacitive humidity sensing components and band-gap t...
Delivered by Thu 2 Jul
Fermion: SHT35 Digital Temperature & Humidity Sensor (Breakout)
SKU: DF-SEN0333 | Brand: DFRobot
A high-accuracy digital temperature and humidity sensor breakout board based on the Sensirion SHT35 sensor IC. Using Sensirion's CMOSens technology, the SHT35 delivers excellent long-term stability, low power consumpt...
Delivered by Thu 2 Jul
Adafruit SCD-40 - True CO2, Temperature and Humidity Sensor
SKU: AF-5187 | Brand: Adafruit
The Adafruit SCD-40 is a photoacoustic true CO2 sensor that directly measures carbon dioxide concentration in ambient air, rather than estimating it from volatile organic compounds. It also includes integrated tempera...
Delivered by Mon 13 Jul
Adafruit Sensirion SHTC3 Temperature Humidity Sensor - STEMMA QT / Qwiic
SKU: AF-4636 | Brand: Adafruit
The Adafruit Sensirion SHTC3 is a compact temperature and humidity sensor with a true I2C interface, offering ±2% relative humidity and ±0.2 °C temperature accuracy. It's a cost-effective option from Sensirion's range...
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
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
Adafruit HTU31 Temperature & Humidity Sensor Breakout Board
SKU: AF-4832 | Brand: Adafruit
The Adafruit HTU31 is a third-generation I²C temperature and humidity sensor from TE, offering improved accuracy and useful extras over its predecessor, the HTU21D. With typical humidity accuracy of ±2% (at 20–100% RH...
Delivered by Mon 13 Jul
Adafruit AHT20 - Temperature Humidity Sensor Breakout Board - STEMMA QT / Qwiic
SKU: AF-4566 | Brand: Adafruit
The Adafruit AHT20 is an affordable I2C temperature and humidity sensor from the makers of the popular DHT22. It delivers reliable readings with standard I2C communication, making it easy to use with any Arduino, Rasp...
Delivered by Mon 13 Jul