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.
Digital Temperature humidity sensor (With Stainless Steel Probe)
SKU: DF-SEN0148 | Brand: DFRobot
This is an anti-rust, robust and precise SHT10 sensor, which can master enterprise-class and industrial-level applications. It can be applied in various fields: telepoint base stations, electronic control cabinet, pr...
Delivered by Thu 2 Jul
Thermocouple Type-K - Glass Braid Insulated (Bare Wire)
SKU: SF-SEN-00251 | Brand: SparkFun
36" high temperature Type-K Thermocouple with glass braid insulation.
Delivered by Tue 23 Jun
Dust Sensor Adapter
SKU: DF-DFR0280 | Brand: DFRobot
Sharp GP2Y1010AU Dust Sensor requires some wiring on the breadboard and a list of components to make it Arduino compatible. This has turned down several people due to the thin wires of the sharp sensor making it ...
Delivered by Tue 23 Jun
Gravity: Arduino Alcohol Sensor (MQ3)
SKU: DF-SEN0128 | Brand: DFRobot
An analogue alcohol gas sensor based on the MQ-3 probe, designed for use with Arduino and other microcontrollers. The sensor outputs a voltage proportional to the concentration of alcohol vapour in the surrounding air...
Delivered by Tue 23 Jun
Light and temperature data-logger pack
SKU: AF-249 | Brand: Adafruit
This pack includes everything you need to build a light and temperature data logger with an Arduino. The Adafruit data logger shield records sensor readings to an SD card with real-time timestamps, while the included ...
Delivered by Mon 13 Jul
SparkFun Digital Temperature Sensor Breakout - TMP102
SKU: SF-SEN-13314 | Brand: SparkFun
The TMP102 is an easy-to-use digital temperature sensor from Texas Instruments. The TMP102 breakout allows you to easily incorporate the digital temperature sensor into your project. While some temperature sensors use...
Delivered by Thu 2 Jul
Adafruit MiCS5524 CO, Alcohol and VOC Gas Sensor Breakout
SKU: AF-3199 | Brand: Adafruit
The Adafruit MiCS-5524 Gas Sensor Breakout is a robust MEMS sensor from SGX Sensortech for detecting carbon monoxide, natural gas leaks, alcohol, and volatile organic compounds (VOCs). It provides a simple analogue vo...
Delivered by Mon 13 Jul
Adafruit Si7021 Temperature Humidity Sensor Breakout Board
SKU: AF-3251 | Brand: Adafruit
The Adafruit Si7021 is a temperature and humidity sensor from Silicon Labs with a PTFE filter for protection against dust and contaminants. It provides ±3% relative humidity accuracy over 0–80% RH and ±0.4 °C temperat...
Delivered by Mon 13 Jul
Weather Station Kit with Anemometer/Wind Vane/Rain Bucket
SKU: DF-SEN0186 | Brand: DFRobot
INTRODUCTION Ever want to build your own weather station? This iot weather station kit includess anemometer, wind vane and rain bucket. The serial communication method provides good compatibility and ma...
Delivered by Tue 23 Jun
High Temp Waterproof DS18B20 Digital temperature sensor + extras
SKU: AF-642 | Brand: Adafruit
This is a pre-wired and waterproofed version of the DS18B20 sensor made with a PTFE wire cable. Handy for when you need to measure something far away, or in wet conditions. This sensor is a little more expensive th...
Delivered by Mon 13 Jul
Adafruit HTU21D-F Temperature Humidity Sensor Breakout Board
SKU: AF-1899 | Brand: Adafruit
The Adafruit HTU21D-F is an accurate I²C digital temperature and humidity sensor breakout board. With typical humidity accuracy of ±2% (optimised for 5–95% RH) and temperature accuracy of ±1°C across -30 to 90°C, it's...
Delivered by Mon 13 Jul
Gravity: Analog High Temperature Sensor
SKU: DF-SEN0198 | Brand: DFRobot
What sensor should you use when you need to measure temperature? Most people will think of a DS18B20 temperature sensor first, but this sensor is only capable of measuring temperatures up to 125C. In order to me...
Delivered by Thu 2 Jul
Optical Dust Sensor - GP2Y1010AU0F
SKU: SF-COM-09689 | Brand: SparkFun
Sharp’s GP2Y1010AU0F is an optical air quality sensor, designed to sense dust particles. An infrared emitting diode and a phototransistor are diagonally arranged into this device, to allow it to detect the reflecte...
Delivered by Thu 2 Jul
Barometric Pressure Sensor - MPL115A1
SKU: SF-SEN-09602 | Brand: SparkFun
The MPL115A1 is a digital barometer that uses MEMs technology to give accurate pressure measurements between 50kPa and 115kPa. We stock the SPI interface version of the sensor. Average current consumption is 10µA at o...
Delivered by Thu 2 Jul
Gravity: Formaldehyde (HCHO) Sensor (Arduino Raspberry Pi Compatible)
SKU: DF-SEN0231 | Brand: DFRobot
The Formaldehyde (HCHO) sensor is an Arduino & Raspberry Pi compatible module, which is the ideal solution for indoor air quality monitor. This is a HCHO(CH2O) sensor module. It can be used to measure HCHO in a...
Delivered by Thu 2 Jul
Adafruit AMG8833 IR Thermal Camera Breakout
SKU: AF-3538 | Brand: Adafruit
Add heat-vision to your project with the Adafruit AMG8833 Grid-EYE Breakout. This sensor from Panasonic contains an 8×8 array of infrared thermal sensors that returns 64 individual temperature readings over I2C — like...
Delivered by Mon 13 Jul
Carbon Monoxide Sensor - MQ-7
SKU: SF-SEN-09403 | Brand: SparkFun
This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. The MQ-7 can detect CO-gas concentrations anywhere from 20 to 2000ppm. This sensor has a high sensitivity and f...
Delivered by Thu 2 Jul
Adafruit AMG8833 IR Thermal Camera FeatherWing
SKU: AF-3622 | Brand: Adafruit
Add heat-vision to any Feather board with the Adafruit AMG8833 Thermal Camera FeatherWing. This sensor from Panasonic contains an 8×8 array of infrared thermal sensors that returns 64 individual temperature readings o...
Delivered by Mon 13 Jul
STCC4 + SHT41 CO2, Temperature & Humidity Sensor
SKU: AF-6478 | Brand: Adafruit
This compact breakout combines the STCC4 CO2 sensor with a Sensirion SHT41 temperature and humidity sensor for convenient indoor air monitoring. The STCC4 measures true CO2 using a thermal conductivity method rather t...
Delivered by Mon 13 Jul
Adafruit TMP119 ±0.03°C I2C Temperature Sensor
SKU: AF-6482 | Brand: Adafruit
Built around Texas Instruments' TMP119, this breakout makes it easy to add extremely accurate temperature monitoring to your project over I2C. It is designed for applications where temperature really matters, includin...
Delivered by Mon 13 Jul