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.
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
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
Fermion BMV080 Fanless PM1/PM2.5/PM10 Air Quality Sensor
SKU: DF-SEN0663 | Brand: DFRobot
This ultra-compact particulate matter sensor breakout is built around the Bosch BMV080 sensing unit, using laser-based light scattering with a fanless measurement principle. It can monitor PM1, PM2.5 and PM10 mass con...
Delivered by Thu 2 Jul
Adafruit BMP581 I2C/SPI Temperature & Pressure Sensor
SKU: AF-6407 | Brand: Adafruit
This Bosch BMP581 breakout is a precision barometric pressure, temperature and altimeter sensor for environmental sensing, drones, wearables and projects that need to track height above sea level. It offers much finer...
Delivered by Mon 13 Jul
Renesas FS3000-1005 SMD Air Velocity Module
SKU: SF-SEN-29758 | Brand: SparkFun
This surface-mount air velocity module uses a MEMS thermopile-based sensor to measure airflow in compact electronic assemblies. It is designed for low-profile enclosures where board space and height are limited.The FS...
Delivered by Thu 2 Jul
DHT11 Temperature and Humidity Sensor Module
SKU: LB-DHT11-SENSOR | Brand: Little Bird
The Little Bird DHT11 Temperature and Humidity Sensor Module provides calibrated digital temperature and humidity readings from a single sensor. Designed and made in Sydney, Australia, it requires no extra components ...
Out of stock
W1209 High-precision Digital Thermostat Incubator Temperature Controller
SKU: EC-SSE01209P | Brand: Elecrow
This is a high-precision temperature control module, it can not only show the temperature, but also according to the current temperature of the relay control, it can control some of the power equipment through the ...
Out of stock
Adafruit BMP390 - Precision Barometric Pressure and Altimeter
SKU: AF-4816 | Brand: Adafruit
The BMP390 from Bosch (also known as BMP390L) is a high-precision barometric pressure and temperature sensor, offering the best altitude accuracy in the Bosch pressure sensor lineup. With relative accuracy of ±3 Pasca...
Out of stock
Gravity: MEMS Gas Sensor (CO, Alcohol, NO2 & NH3) - I2C - MiCS-4514
SKU: DF-SEN0377 | Brand: DFRobot
This is a 3.3/5V compatible MEMS gas concentration sensor from DFRobot. This sensor supports the detection of various gas concentrations like CO, C2H5OH (Alcohol), H2, NO2, NH3, and integrates various gas c...
Out of stock
Analog CO/Combustible Gas Sensor(MQ9)
SKU: EC-SES90101S | Brand: Elecrow
The MQ-9 is an analog gas sensor module with high sensitivity to carbon monoxide (CO), methane, propane, and LPG. It uses an SnO2 sensing element that changes conductivity in the presence of target gases, making it su...
Out of stock
Pico Air Monitoring Expansion
SKU: SB-21819 | Brand: Little Bird
The Pico Air Monitoring Expansion is a HAT for Raspberry Pi Pico that measures suspended particulate matter (PM1.0, PM2.5, and PM10) in the air. It uses a PMSA003 digital laser dust sensor and includes an onboard 0.91...
Out of stock
Pico Enviro+ Pack
SKU: PR-PIM635 | Brand: Little Bird
The Pico Enviro+ Pack is a compact environmental monitoring add-on for the Raspberry Pi Pico and Pico W. Measuring just 61.5 × 31.5 mm, it packs a weather and gas sensor, light sensor, microphone, a 1.54" colour LCD, ...
Out of stock
SparkFun Atmospheric Sensor Breakout - BME280 (with Headers)
SKU: SF-SEN-13905 | Brand: SparkFun
The SparkFun BME280 Atmospheric Sensor Breakout measures barometric pressure, relative humidity, and temperature in a compact package. This version comes with headers pre-soldered for easy breadboard use or direct wir...
Out of stock
Particulate Matter Sensor - SPS30
SKU: SF-SEN-15103 | Brand: SparkFun
The Sensirion SPS30 is a compact, high-quality optical particle sensor that uses laser scattering and Sensirion's innovative contamination-resistance technology for superior binning and particle measurement. It measur...
Out of stock
Adafruit Sensirion SHT45 Precision Temp & Humidity with PTFE
SKU: AF-6174 | 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. Featuring a PTFE membrane for protection a...
Out of stock
Adafruit HDC3021 Precision Temperature & Humidity Sensor
SKU: AF-5989 | Brand: Adafruit
The Adafruit HDC3021 is a high-precision I²C temperature and humidity sensor breakout featuring the TI HDC302x series chip. With typical humidity accuracy of ±0.5% RH (and just 0.19% long-term drift) and temperature a...
Out of stock
Mijia Bluetooth Temperature/Humidity Sensor with LCD Display
SKU: AF-4881 | Brand: Adafruit
Here is a jolly cute, palm-sized, Bluetooth-enabled sensor to monitor your room's temperature and humidity. Only 43mm x 43mm, we dig its small form factor and minimal design. The shell is made of durable ABS ...
Out of stock
BMP388 Digital Pressure Sensor Module
SKU: DF-SEN0371 | Brand: DFRobot
The BMP388 Digital Pressure Sensor Module is a high-accuracy barometric pressure and temperature breakout based on the Bosch BMP388. It offers significantly improved performance over its predecessors (BMP180, BMP280) ...
Out of stock
Enviro pHAT
SKU: PR-PIM181 | Brand: Little Bird
Enviro pHAT packs 4 different sensors, letting you measure temperature, pressure, light level, colour, 3-axis motion, compass heading, and analog inputs. That's up to 10 different variables!It's ideal for monitoring c...
Out of stock