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.
SHT31 Digital Temperature Humidity Sensor Breakout8.90
SKU: DF-SEN0331 | Brand: DFRobot
This DFRobot SHT31 digital temperature and humidity sensor is based upon the Sensirion SHT31 sensor IC. Thanks to Sensirion’s CMOSens® technology, highly integrated capacitive humidity sensing components and band-gap ...
Delivered by Wed 4 Nov
Adafruit PT1000 RTD Temperature Sensor Amplifier - MAX31865
SKU: AF-3648 | Brand: Adafruit
The Adafruit PT1000 RTD Temperature Sensor Amplifier is a breakout board for the MAX31865 precision RTD-to-digital converter, configured for PT1000 platinum resistance temperature detectors. It reads 2-, 3-, or 4-wire...
Delivered by Tue 17 Nov
PM2.5 Air Quality Sensor and Breadboard Adapter Kit - PMS5003
SKU: AF-3686 | Brand: Adafruit
Breathe easy, knowing that you can track and sense the quality of the air around you with the PM2.5 Air Quality Sensor with Breadboard Adapter particulate sensor. Mad Max & Furiosa definitely should have ho...
Delivered by Tue 17 Nov
Gravity: Arduino LPG Gas Sensor (MQ4)
SKU: DF-SEN0129 | Brand: DFRobot
INTRODUCTION This is an Arduino CH4 gas sensor. It uses MQ4 probe which is able to detect nature gas, CH4. It is less sensitivity in detecting alcohol, cooking fumes, and cigarette smok...
Delivered by Mon 26 Oct
Gravity: Arduino Gas Sensor (MQ2)
SKU: DF-SEN0127 | Brand: DFRobot
INTRODUCTION This is a generic Arduino gas sensor. It has MQ2 probe which is able to detect LPG, i-butane, propane, methane ,alcohol, Hydrogen, smoke.It can be used in gas leakage detecting device in c...
Delivered by Wed 4 Nov
MPL3115A2 - I2C Barometric Pressure/Altitude/Temperature Sensor
SKU: AF-1893 | Brand: Adafruit
The MPL3115A2 is a precision barometric pressure, altitude, and temperature sensor from NXP (formerly Freescale) that communicates over I2C. With 1.5 Pa resolution, it can resolve altitude changes as small as 0.3 m an...
Delivered by Tue 17 Nov
Fermion: MEMS Carbon Monoxide CO Gas Detection Sensor (Breakout, 5-5000ppm)
SKU: DF-SEN0564 | Brand: DFRobot
The Fermion MEMS Carbon Monoxide Sensor uses micro-electromechanical system (MEMS) technology to detect CO gas concentrations from 5 to 5,000 ppm. Its compact size, low power consumption, short preheat time, and fast ...
Delivered by Mon 26 Oct
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 Mon 26 Oct
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 Wed 4 Nov
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 Mon 26 Oct
Gravity: Arduino Hydrogen Gas Sensor (MQ8)
SKU: DF-SEN0133 | Brand: DFRobot
This is an Arduino hydrogen gas sensor. It has high sensitivity to Hydrogen (H2) and less sensitivity to alcohol, LPG,cooking fumes . Hydrogen gas is highly flammable and will burn in air at a very wide range...
Delivered by Wed 4 Nov
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 17 Nov
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 Mon 26 Oct
Fermion: ENS160 Air Quality Sensor (Breakout)
SKU: DF-SEN0515 | Brand: DFRobot
This Fermion: ENS160 Air Quality Sensor, based on ScioSense's new ENS160 sensor chip, is specifically designed for indoor air quality monitoring and offers detection of multiple IAQ data(TVOC, eCO2, AQI).The innovativ...
Delivered by Wed 4 Nov
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 Mon 26 Oct
Adafruit MCP9600 I2C Thermocouple Amplifier - K, J, T, N, S, E, B and R Type T
SKU: AF-4101 | Brand: Adafruit
The Adafruit MCP9600 I2C Thermocouple Amplifier handles all the analogue complexity of thermocouple measurement for you. Simply connect your thermocouple, wire up I2C, and read accurate temperature data from virtually...
Delivered by Mon 26 Oct
Fermion: MEMS Ethanol EtOH Gas Detection Sensor (Breakout, 1-500ppm)
SKU: DF-SEN0569 | Brand: DFRobot
The Fermion MEMS Ethanol (EtOH) Gas Detection Sensor uses micro-electromechanical system (MEMS) technology for compact, low-power ethanol gas detection. With a detection range of 1–500 ppm, it provides qualitative mea...
Delivered by Mon 26 Oct
Fermion: MEMS Hydrogen Sulfide H2S Gas Detection Sensor (Breakout, 0.5-50ppm)
SKU: DF-SEN0568 | Brand: DFRobot
Fermion: MEMS Hydrogen Sulfide H2S Gas Detection Sensor employs state-of-the-art micro-electromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (<20m...
Delivered by Mon 26 Oct
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 Wed 4 Nov
Gravity: I2C SCD41 Infrared CO2 Sensor (400 - 5000 ppm)
SKU: DF-SEN0536 | Brand: DFRobot
The Gravity SCD41 Infrared CO2 Sensor provides accurate carbon dioxide, temperature, and humidity measurements in a single compact module. Based on Sensirion's SCD41 sensor, it uses photoacoustic NDIR (non-dispersive ...
Delivered by Mon 26 Oct