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.
Enviro + Air Quality for Raspberry Pi
SKU: PR-PIM458 | Brand: Little Bird
Monitor your world with Enviro and Enviro + Air Quality for Raspberry Pi! There's a whole bunch of fancy environmental sensors on these boards, and a gorgeous little full-colour LCD to display your data. They're th...
Delivered by Thu 27 Aug
Adafruit PMSA003I Air Quality Breakout - STEMMA QT / Qwiic
SKU: AF-4632 | Brand: Adafruit
The Adafruit PMSA003I Air Quality Breakout is a compact laser-scattering particulate matter sensor with an I2C interface — a significant advantage over the UART-based sensors that dominate this category. Simply connec...
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
Adafruit BMP388 - Precision Barometric Pressure and Altimeter
SKU: AF-3966 | Brand: Adafruit
The BMP388 from Bosch is a high-precision barometric pressure and temperature sensor, offering significantly improved altitude accuracy over the BMP280. With altitude noise as low as 0.1 metres and a relative accuracy...
Delivered by Thu 27 Aug
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 Thu 27 Aug
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 Thu 27 Aug
AGS02MA TVOC Gas Sensor
SKU: LB-LS2708 | Brand: Little Bird
The AGS02MA is a MEMS-based TVOC (Total Volatile Organic Compounds) gas sensor with a calibrated digital signal output. It detects a range of polluting gases including ethanol, ammonia, sulfides, benzene vapours, and ...
Delivered by Thu 27 Aug
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 Thu 27 Aug
Adafruit MPRLS Ported Pressure Sensor Breakout - 0 to 25 PSI
SKU: AF-3965 | Brand: Adafruit
The Adafruit MPRLS Ported Pressure Sensor Breakout measures absolute air pressure from 0 to 25 PSI (0–172 kPa) via a stainless steel port. Unlike typical barometric sensors, the metal port lets you attach tubing to me...
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
Fermion: MEMS Volatile Organic Compounds VOC Gas Detection Sensor (Breakout, 1-500ppm)
SKU: DF-SEN0566 | Brand: DFRobot
Fermion: MEMS Volatile Organic Compounds VOC Gas Sensor employs state-of-the-art microelectromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (<20mA...
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
Adafruit DPS310 Precision Barometric Pressure / Altitude Sensor - STEMMA QT / Qwiic
SKU: AF-4494 | Brand: Adafruit
The Adafruit DPS310 is a high-precision barometric pressure and altitude sensor from Infineon, mounted on a breakout board with STEMMA QT / Qwiic connectors for solderless I2C wiring. It delivers ±1 hPa absolute accur...
Delivered by Thu 27 Aug
Gravity: Analog Infrared CO2 Sensor For Arduino (0~5000 ppm)
SKU: DF-SEN0219 | Brand: DFRobot
The concentration of carbon dioxide (0.03% usuallly) is related to daily life. Recently, there's a study showing that the atmospheric CO2 content has reached 0.0385% (385 ppm) which is the highest value since 2.1 ...
Delivered by Thu 27 Aug
Adafruit Sensiron SHT31-D Temperature Humidity Sensor Breakout
SKU: AF-2857 | Brand: Adafruit
The Adafruit Sensirion SHT31-D is a high-accuracy temperature and humidity sensor with a true I2C interface and PTFE filter for protection against dust and contaminants. Part of Sensirion's third-generation SHT sensor...
Delivered by Thu 27 Aug
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 Thu 27 Aug
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 Thu 27 Aug
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 Thu 27 Aug