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.
DHT22 module with cable
SKU: LB-LR0102 | Brand: Little Bird
The DHT22 (also known in Australia by RHT03) is a low cost humidity and temperature sensor with a single wire digital interface. The sensor comes pre-calibrated and in a breadboard compatible module form so you don...
Delivered by Thu 27 Aug
BME680 Breakout - Air Quality, Temperature, Pressure, Humidity Sensor
SKU: PR-PIM357 | Brand: Little Bird
The state-of-the-art BME680 breakout lets you measure temperature, pressure, humidity, and indoor air quality, and is Raspberry Pi and Arduino-compatible! Use this breakout to monitor every aspect of your indoor en...
Delivered by Thu 27 Aug
Adafruit BME688 - Temperature, Humidity, Pressure and Gas Sensor
SKU: AF-5046 | Brand: Adafruit
The BME688 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 Thu 27 Aug
Adafruit Sensirion SHT40 Temperature Humidity Sensor - STEMMA QT / Qwiic
SKU: AF-4885 | Brand: Adafruit
The Adafruit Sensirion SHT40 is a high-accuracy temperature and humidity sensor featuring a true I2C interface for simple two-wire communication. Part of the fourth generation of Sensirion's acclaimed SHT sensor famil...
Delivered by Thu 27 Aug
DHT20 - AHT20 Pin Module - I2C Temperature and Humidity Sensor
SKU: AF-5183 | Brand: Adafruit
The DHT20 is a nice but inexpensive temperature and humidity sensor from the same folks that brought us the DHT22.This little sensor looks an awful lot like the popular DHT11/DHT22 temperature and humidity s...
Delivered by Thu 27 Aug
Adafruit SCD-41 - True CO2 Temperature and Humidity Sensor
SKU: AF-5190 | Brand: Adafruit
The Adafruit SCD-41 is a photoacoustic true CO2 sensor that directly measures carbon dioxide concentration in ambient air with a wide measurement range of 400 to 5,000 ppm. It also includes integrated temperature and ...
Delivered by Thu 27 Aug
Fermion: SHTC3 Temperature & Humidity Sensor (Breakout)
SKU: DF-SEN0414 | Brand: DFRobot
The SHTC3 digital humidity sensor from Sensirion builds on the success of the proven SHTC1 sensor and offers consistent high accuracy within the measuring range. The sensor covers a humidity measurement range of 0 to ...
Delivered by Thu 27 Aug
Fermion: AHT20 Temperature and Humidity Sensor (Breakout)
SKU: DF-SEN0527 | Brand: DFRobot
The Fermion AHT20 is a high-precision, low-cost temperature and humidity sensor breakout from DFRobot. Built around an improved MEMS semiconductor capacitive humidity sensor element, it communicates over a standard I2...
Delivered by Thu 27 Aug
Octopus Temperature And Humidity Sensor
SKU: EF-EF04019 | Brand: ElecFreaks
Temperature and humidity sensor is a module based on DHT11 digital temperature and humidity sensing element. Simple design, and sensitive to the ambient temperature and humidity changes, it can be used for temperature...
Delivered by Thu 27 Aug
Adafruit MS8607 Pressure Humidity Temperature PHT Sensor - STEMMA QT / Qwiic
SKU: AF-4716 | Brand: Adafruit
The Adafruit MS8607 is a factory-calibrated 3-in-1 sensor that measures barometric pressure, relative humidity, and temperature over I2C. Made by TE Connectivity, this PHT (Pressure, Humidity, Temperature) sensor is a...
Delivered by Thu 27 Aug
Gravity: Arduino LM35 Temperature Sensor
SKU: DF-DFR0023 | Brand: DFRobot
This is an Arduino Temperature Sensor based on LM35 temperature chip. A Temperature Sensor can be used to detect ambient air temperature.The LM35 chip is produced by National Semiconductor Corporation and offers a fun...
Delivered by Thu 27 Aug
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 Thu 27 Aug
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 Thu 27 Aug
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 Thu 27 Aug
Gravity: Analog SHT30 Temperature Humidity Sensor
SKU: DF-DFR0588 | Brand: DFRobot
Gravity: Analog SHT30 Temperature & Humidity Sensor adopts the new generation SHT30 temperature and humidity sensor from Sensirion. Thanks to Sensirion's CMOSens® technology, highly integrated capacitive humidity sens...
Delivered by Thu 27 Aug
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 Thu 27 Aug
Octopus Temperature Sensor Brick TMP36 Analog for Arduino Micro:bit
SKU: EF-EF04079 | Brand: ElecFreaks
Octopus TMP36 Temperature Sensor Brick is a temperature sensor with low voltage and accurate celsius read. It can provide voltage output,which forms a linear relationship with celsius temperature. TMP36 do not need an...
Delivered by Thu 27 Aug
SparkFun Humidity and Temperature Sensor Breakout - HTU21D
SKU: SF-SEN-12064 | Brand: SparkFun
The HTU21D is a low-cost, easy to use, highly accurate, digital humidity and temperature sensor. This sensor is ideal for environmental sensing and data logging and perfect for a weather stations or humidor control sy...
Delivered by Thu 27 Aug
DS18B20 Digital temperature sensor + extras
SKU: AF-374 | Brand: Adafruit
These 1-wire digital temperature sensors are fairly precise (±0.5°C over much of the range) and can give up to 12 bits of precision from the onboard digital-to-analog converter. They work great with any microcontro...
Delivered by Thu 27 Aug
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