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.
AM2320 Digital Temperature and Humidity Sensor
SKU: AF-3721 | Brand: Adafruit
The AM2320 is a low-cost digital temperature and humidity sensor with an I2C interface — a simpler alternative to the classic DHT11/DHT22 sensors that require timing-critical bit-bang protocols. With standard I2C comm...
Delivered by Thu 30 Jul
Thermocouple Amplifier with 1-Wire Breakout Board - MAX31850K
SKU: AF-1727 | Brand: Adafruit
The MAX31850K breakout board is a 1-Wire thermocouple amplifier with cold-junction compensation for K-type thermocouples. Unlike SPI-based amplifiers, the 1-Wire interface allows any number of thermocouple breakouts t...
Delivered by Thu 30 Jul
Analog Output K-Type Thermocouple Amplifier - AD8495 Breakout
SKU: AF-1778 | Brand: Adafruit
The AD8495 from Analog Devices is an analog-output K-type thermocouple amplifier on a compact breakout board. Simply power the board with 3–18V DC, connect a K-type thermocouple to the terminal block, and read the tem...
Delivered by Thu 30 Jul
Air Quality Monitor (PM 2.5, Formaldehyde, Temperature Humidity Sensor)
SKU: DF-SEN0233 | Brand: DFRobot
A multifunction air quality monitor that measures particulate matter (PM2.5), formaldehyde concentration, temperature, and humidity. It uses laser scattering to detect suspended particles in the air, an electrochemica...
Delivered by Wed 8 Jul
Gravity: Arduino Propane Gas Sensor (MQ6)
SKU: DF-SEN0131 | Brand: DFRobot
INTRODUCTION This is an Arduino Propane Gas Sensor. It uses MQ6 probe to detect iso-butane, propane and liquefied petroleum gas (LPG). It is less sensitive with alcohol, cooking fumes an...
Delivered by Fri 17 Jul
Sharp GP2Y1010AU0F Compact optical Dust Sensor
SKU: DF-SEN0144 | Brand: DFRobot
The Sharp GP2Y1010AU0F is a compact optical dust sensor that uses an internal infrared LED and phototransistor arranged diagonally to detect fine particles in the air. The sensor outputs an analog voltage proportional...
Delivered by Fri 17 Jul
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 Fri 17 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 Wed 8 Jul
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 Wed 8 Jul
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 Wed 8 Jul
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 Thu 30 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 Fri 17 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 Thu 30 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 Thu 30 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 Wed 8 Jul
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 Thu 30 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 Thu 30 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 Fri 17 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 Fri 17 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 Fri 17 Jul