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.
Fermion: MEMS Ammonia NH3 Gas Detection Sensor (Breakout, 1-300ppm)
SKU: DF-SEN0567 | Brand: DFRobot
Fermion: MEMS Ammonia NH3 Gas Detection Sensor employs state-of-the-art micro-electromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (<20mA), minim...
Delivered by Thu 27 Aug
SparkFun Environmental Sensor - BME688 (Qwiic)
SKU: SF-SEN-19096 | Brand: SparkFun
The SparkFun BME688 Environmental Sensor is a breakout that combines a gas scanning sensor with temperature, humidity, and barometric pressure sensing for a complete environmental sensor in a single package. The ga...
Delivered by Thu 27 Aug
Adafruit SGP40 Air Quality Sensor Breakout - VOC Index - STEMMA QT / Qwiic
SKU: AF-4829 | Brand: Adafruit
The Adafruit SGP40 is a next-generation MOX (metal-oxide) gas sensor from Sensirion for indoor air quality monitoring. Unlike its predecessor the SGP30, the SGP40 outputs a raw signal that is processed through Sensiri...
Delivered by Thu 27 Aug
SparkFun Qwiic Thermocouple Amplifier - MCP9600 (Screw Terminals)
SKU: SF-SEN-16295 | Brand: SparkFun
The MCP9600 Breakout is a high accuracy Thermocouple Amplifier equipped with an I2C interface, accessed over our Qwiic system. Inside the chip are two temperature sensors, one for the thermocouple itself (the hot junc...
Delivered by Thu 27 Aug
Thermistor Module
SKU: LB-24-THERMISTOR | Brand: Little Bird
A thermistor changes its resistance with temperature. Find our tutorial here A thermistor is a type of variable resistor whose resistance changes with temperature. Let's take a closer look at the thermistor module....
Delivered by Thu 27 Aug
Gravity: Analog SHT30 Temperature Humidity Sensor
SKU: DF-DFR0588 | Brand: DFRobot
Gravity: Analog SHT30 Temperature & Humidity Sensor adopts the new generation SHT30 temperature and humidity sensor from Sensirion. Thanks to Sensirion's CMOSens® technology, highly integrated capacitive humidity sens...
Delivered by Thu 27 Aug
Adafruit LPS35HW Water Resistant Pressure Sensor
SKU: AF-4258 | Brand: Adafruit
The Adafruit LPS35HW is a water-resistant barometric pressure and temperature sensor from ST. The sensing element is housed in a ceramic package with waterproof gel protection, making it safe to use in damp and humid ...
Delivered by Thu 27 Aug
Adafruit BMP280 I2C or SPI Barometric Pressure Altitude Sensor
SKU: AF-2651 | Brand: Adafruit
The BMP280 from Bosch is a precision barometric pressure and temperature sensor, and the next-generation upgrade to the BMP085/BMP180/BMP183 family. With support for both I2C and SPI communication, it offers flexibili...
Delivered by Thu 27 Aug
Gravity: Arduino CO/Combustible Gas Sensor (MQ9)
SKU: DF-SEN0134 | Brand: DFRobot
The Gravity MQ-9 gas sensor detects carbon monoxide (CO) and combustible gases including methane and propane. It uses a semiconductor SnO2 sensing element that cycles between high and low temperatures — detecting CO a...
Delivered by Thu 27 Aug
Waterproof DS18B20 Digital temperature sensor + extras
SKU: AF-381 | Brand: Adafruit
This is a pre-wired and waterproofed version of the DS18B20 sensor. Handy for when you need to measure something far away, or in wet conditions. While the sensor is good up to 125°C the cable is jacketed in PVC ...
Delivered by Thu 27 Aug
Infrared Thermometer - MLX90614
SKU: SF-SEN-09570 | Brand: SparkFun
Melexis' MLX90614ESF-BAA is an infrared thermometer designed for non-contact temperature sensing. An internal 17-bit ADC and a powerful DSP contribute to the MLX90614’s high accuracy and resolution. It has a huge numb...
Delivered by Thu 27 Aug
Gravity: ENS160 Air Quality Sensor
SKU: DF-SEN0514 | Brand: DFRobot
This Gravity: 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 innovati...
Delivered by Thu 27 Aug
Breadboard Friendly I2C Temperature Sensor - TC74A0
SKU: AF-4375 | Brand: Adafruit
A simple I2C temperature sensor in a breadboard-friendly TO-220 package. The TC74A0 provides basic temperature readings with ±2°C accuracy — a straightforward choice when you need easy temperature logging or monitorin...
Delivered by Thu 27 Aug
BMP280 Digital Pressure Sensor Module
SKU: DF-SEN0372 | Brand: DFRobot
This is a breakout version of BMP280 Barometric Pressure Sensor from DFRobot with temperature and pressure measurement functions, supporting Arduino code control.Housed in an extremely compact package, the BMP280 is b...
Delivered by Thu 27 Aug
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) ...
Delivered by Thu 27 Aug
Octopus Temperature Sensor Brick TMP36 Analog for Arduino Micro:bit
SKU: EF-EF04079 | Brand: ElecFreaks
Octopus TMP36 Temperature Sensor Brick is a temperature sensor with low voltage and accurate celsius read. It can provide voltage output,which forms a linear relationship with celsius temperature. TMP36 do not need an...
Delivered by Thu 27 Aug
SparkFun weather:bit - micro:bit Carrier Board (Qwiic)
SKU: SF-DEV-15837 | Brand: SparkFun
The SparkFun weather:bit is a fully loaded "carrier" board for the micro:bit that, when combined with the micro:bit, provides you with a fully functional weather station. With the weather:bit you will have acces...
Delivered by Thu 27 Aug
Temperature and Humidity Sensor Module KY-028
SKU: LB-LR0010 | Brand: Little Bird
Digital TempTemperature sensing module using an NTC thermistor. The output signal at ‘DO’ switches high when the preset (adjustable) temperature is reached. An analog output signal from the sensor is availab...
Delivered by Thu 27 Aug
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 Thu 27 Aug
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 Thu 27 Aug