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.
Gravity: Arduino Carbon Monoxide Sensor (MQ7)
SKU: DF-SEN0132 | Brand: DFRobot
INTRODUCTION This is an Arduino Carbon Monoxide Sensor. It uses MQ7 probe to detect Carbon Monoxide (CO) concentrations in the air from 20 to 2000ppm. The sensitivity ca...
Delivered by Thu 2 Jul
Carbon Monoxide Sensor (MQ7)
SKU: DF-FIT0227 | Brand: DFRobot
The MQ7 is a simple-to-use Carbon Monoxide (CO) sensor suitable for detecting CO concentrations in the air. It offers a wide detection range from 20 to 2000 ppm, making it ideal for safety monitoring and air quality p...
Delivered by Tue 23 Jun
Gas Sensor Breakout
SKU: SF-BOB-08891 | Brand: SparkFun
This breakout board provides a convenient PCB adapter for MQ-series gas sensors (MQ-3, MQ-4, MQ-6, MQ-7, and MQ-8). It converts the sensor's oversized, oddly-spaced pins into a standard breakout format that's easy to ...
Delivered by Tue 23 Jun
Alcohol Gas Sensor - MQ-3
SKU: SF-SEN-08880 | Brand: SparkFun
The MQ-3 is an alcohol gas sensor suitable for detecting alcohol concentration in the air, similar to a breathalyser. It provides an analog resistive output based on alcohol concentration, with high sensitivity and fa...
Delivered by Tue 23 Jun
LilyPad Temperature Sensor
SKU: SF-DEV-08777 | Brand: SparkFun
Detecting temperature changes has never been easier. The MCP9700 is a small thermistor type temperature sensor. This sensor will output 0.5V at 0 degrees C, 0.75V at 25 C, and 10mV per degree C. Doing an analog to dig...
Delivered by Thu 2 Jul
SparkFun Thermocouple Breakout - MAX31855K
SKU: SF-SEN-13266 | Brand: SparkFun
The SparkFun MAX31855K Thermocouple Breakout is a simple 14-bit resolution, SPI-compatible, serial interface thermocouple digitizer that makes reading a wide range of temperatures possible. A thermocouple works by ...
Delivered by Tue 23 Jun
DS18B20 Digital temperature sensor + extras
SKU: AF-374 | Brand: Adafruit
These 1-wire digital temperature sensors are fairly precise (±0.5°C over much of the range) and can give up to 12 bits of precision from the onboard digital-to-analog converter. They work great with any microcontro...
Delivered by Tue 23 Jun
DHT11 basic temperature-humidity sensor + extras
SKU: AF-386 | Brand: Adafruit
The DHT11 is a basic, ultra low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no an...
Delivered by Tue 23 Jun
Gravity: Laser PM2.5 Air Quality Sensor For Arduino
SKU: DF-SEN0177 | Brand: DFRobot
The Gravity Laser PM2.5 Air Quality Sensor uses laser scattering to measure suspended particulate matter concentrations in the air. It detects particles from 0.3 to 10 µm in diameter and outputs digital concentration ...
Delivered by Tue 23 Jun
Panel Temperature Meter / -30 to +70 °C
SKU: AF-576 | Brand: Adafruit
Put a temperature meter anywhere with this very handy display. This panel meter displays the temperature of the attached waterproof 1% thermistor in °C. It does require a DC voltage to run, at 4.5-30VDC. It has revers...
Delivered by Mon 13 Jul
Gravity: UART Infrared CO2 Sensor (0-50000ppm), air sensor
SKU: DF-SEN0220 | Brand: DFRobot
The Gravity UART Infrared CO2 Sensor uses non-dispersive infrared (NDIR) technology to measure carbon dioxide concentrations from 0 to 50,000 ppm. It offers excellent selectivity with no oxygen dependency, built-in te...
Delivered by Tue 23 Jun
LPG Gas Sensor - MQ-6
SKU: SF-SEN-09405 | Brand: SparkFun
A simple-to-use MQ-6 gas sensor for detecting liquefied petroleum gas (LPG) — primarily propane and butane — in the air. The sensor detects concentrations from 200 to 10,000 ppm with high sensitivity and fast response...
Delivered by Tue 23 Jun
Methane CNG Gas Sensor - MQ-4
SKU: SF-SEN-09404 | Brand: SparkFun
This is a simple-to-use compressed natural gas (CNG) sensor, suitable for sensing natural gas (composed of mostly Methane [CH4]) concentrations in the air. The MQ-4 can detect natural gas concentrations anywhere from ...
Delivered by Tue 23 Jun
Adafruit ENS160 MOX Gas Sensor - Sciosense CCS811 Upgrade
SKU: AF-5606 | Brand: Adafruit
The Adafruit ENS160 is a fully integrated metal-oxide (MOX) gas sensor from ScioSense, designed as a drop-in upgrade for the now-discontinued CCS811. It combines multiple MOX sensing and heating elements on a single c...
Delivered by Mon 13 Jul
Adafruit SPA06-003 Temperature + Pressure Sensor
SKU: AF-6420 | Brand: Adafruit
The Adafruit SPA06-003 is an affordable barometric pressure and temperature sensor from Goertek, ideal for basic environmental sensing and DIY quadcopter builds. It measures 300–1100 hPa (approximately −500 to +9000 m...
Delivered by Mon 13 Jul
Air Quality and Environmental Control HAT for Raspberry Pi
SKU: KI-5038 | Brand: Kitronik
The Kitronik Air Quality Control HAT for Raspberry Pi lets you monitor, log, and react to environmental data using the BME688 sensor. It measures temperature, pressure, humidity, air quality index, and eCO2, with an o...
Delivered by Tue 23 Jun
Adafruit SEN6x Breakout for Sensirion SEN66 - STEMMA QT / Qwiic
SKU: AF-6331 | Brand: Adafruit
The Adafruit SEN6x Breakout lets you quickly connect a Sensirion SEN66 (or other SEN6x) environmental sensor node to any microcontroller or single-board computer via STEMMA QT / Qwiic — no soldering or breadboarding r...
Delivered by Mon 13 Jul
Lark Weather Station - Portable Educational Weather Device (Compatible with Arduino, micro:bit, ESP32)
SKU: DF-EDU0157-EN | Brand: DFRobot
The Lark Weather Station is a compact, all-in-one portable weather device that measures wind speed, wind direction, temperature, humidity, and air pressure. It supports real-time data output via I2C and UART, making i...
Delivered by Thu 2 Jul
Adafruit LPS28 (LPS28DFW) Pressure Sensor - STEMMA QT / Qwiic
SKU: AF-6067 | Brand: Adafruit
The Adafruit LPS28 Pressure Sensor Breakout features the ST LPS28DFW — a barometric pressure sensor with an extended range up to 4060 hPa, far beyond the ~1260 hPa limit of most competing sensors. This makes it suitab...
Delivered by Mon 13 Jul
Gravity: BME688 AI Environmental Sensor (VOC, Temperature, Humidity, Pressure)
SKU: DF-SEN0617 | Brand: DFRobot
The Gravity BME688 is an advanced MEMS environmental sensor from Bosch that measures temperature, humidity, barometric pressure, and volatile organic compounds (VOC) in a single compact module. It supports both I²C an...
Delivered by Thu 2 Jul