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.
AGS02MA I2C TVOC Gas Sensor
SKU: AF-5593 | Brand: Adafruit
The AGS02MA is a compact MOX-based TVOC (Total Volatile Organic Compounds) gas sensor with an I2C interface. It features a built-in ADC that outputs gas resistance and parts-per-billion (ppb) readings — higher ppb val...
Delivered by Fri 18 Sep
Gravity: AHT20 Temperature and Humidity Sensor
SKU: DF-SEN0528 | Brand: DFRobot
The AHT20 is a high-precision but low-cost temperature and humidity sensor, which is equipped with an improved MEMS semiconductor capacitive humidity sensor element. It features standard I2C interface and a wide volta...
Delivered by Mon 7 Sep
Fermion: MCP9808 High Accuracy I2C Temperature Sensor
SKU: DF-SEN0435 | Brand: DFRobot
Compared to DS18B20, LM35, and other common temperature sensors, the MCP9808 is one of the more accurate temperature sensing options, with a typical accuracy of ±0.25°C and maximum accuracy of ±0.5°C over the sensor's...
Delivered by Mon 7 Sep
Fermion: STS35 High Accuracy Digital Temperature Sensor (Breakout)
SKU: DF-SEN0434 | Brand: DFRobot
The STS35 temperature sensor from Sensirion gives a fully calibrated, linearized, and supply-voltage-compensated digital output and has an outstanding accuracy of up to +/–0.1°C. It provides an operating temperat...
Delivered by Mon 7 Sep
Gravity: ICP-10111 Pressure Sensor
SKU: DF-SEN0517 | Brand: DFRobot
This barometric pressure temperature sensor is equipped with TDK's newly-launched ICP-10111 barometric pressure sensor, which is based on MEMS capacitor technology to achieve ultra-low power consumption, industry-lead...
Delivered by Mon 7 Sep
Particle, VOC, Humidity, and Temperature Sensor - SEN54
SKU: SF-SEN-19325 | Brand: SparkFun
The SEN54 sensor module from Sensirion combines the measurement of particulate matter, VOC, humidity, and temperature in a single package. The SEN54 sensors provide fully calibrated outputs with a digital interface, a...
Delivered by Mon 7 Sep
Gravity: NO2 Sensor (Calibrated) - I2C & UART
SKU: DF-SEN0471 | Brand: DFRobot
This is a sensor that detects nitrogen dioxide concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentra...
Delivered by Mon 7 Sep
Fermion: ICP-10111 Pressure Sensor (Breakout)
SKU: DF-SEN0516 | Brand: DFRobot
This barometric pressure temperature sensor is equipped with TDK's newly launched ICP-10111 barometric pressure sensor, which is based on MEMS capacitor technology to achieve ultra-low power consumption, industry-lead...
Delivered by Mon 7 Sep
Gravity: O3 Sensor (Calibrated) - I2C & UART
SKU: DF-SEN0472 | Brand: DFRobot
This is a sensor that detects ozone concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentration of ozo...
Delivered by Mon 7 Sep
Fermion: MEMS Gas Sensor - MiCS-5524 (Breakout)
SKU: DF-SEN0440 | Brand: DFRobot
A compact MEMS gas sensor breakout based on the MiCS-5524, capable of detecting concentrations of multiple gases including carbon monoxide (CO), methane (CH4), ethanol (C2H5OH), propane (C3H8), butane (C4H10), hydroge...
Delivered by Mon 7 Sep
Fermion: SHT31-F Digital Temperature & Humidity Sensor (Breakout)
SKU: DF-SEN0332 | Brand: DFRobot
This Digital Temperature & Humidity Sensor Breakout Board is based upon the Sensirion SHT31-F sensor IC. Thanks to Sensirion’s CMOSens® technology, highly integrated capacitive humidity sensing components and band-gap...
Delivered by Mon 7 Sep
Fermion: BMP390L Digital Barometric Pressure Sensor (Breakout)
SKU: DF-SEN0423 | Brand: DFRobot
A high-precision digital barometric pressure sensor breakout based on the Bosch BMP390L. Designed for industrial-grade applications, it delivers exceptional temperature stability, low drift, and ultra-low power consum...
Delivered by Mon 7 Sep
Adafruit MCP9601 (MCP96L01) I2C Thermocouple Amplifier
SKU: AF-5165 | Brand: Adafruit
The Adafruit MCP9601 (MCP96L01) I2C Thermocouple Amplifier handles all the analogue complexity of thermocouple measurement over a simple I2C interface. Connect your thermocouple, wire up I2C (or use the solderless STE...
Delivered by Fri 18 Sep
Adafruit LPS25 Pressure Sensor - STEMMA QT / Qwiic
SKU: AF-4530 | Brand: Adafruit
The Adafruit LPS25 Pressure Sensor Breakout features the ST LPS25HB — an absolute barometric pressure sensor that measures atmospheric pressure from 260 to 1260 hPa. Use it for weather monitoring, altitude estimation,...
Delivered by Fri 18 Sep
Adafruit HTS221 - Temperature & Humidity Sensor Breakout Board
SKU: AF-4535 | Brand: Adafruit
The Adafruit HTS221 is an affordable I²C/SPI temperature and humidity sensor breakout board from ST. It measures relative humidity from 0–100% RH with 3.5% accuracy (in the 20–80% range) and temperature from -40 to 12...
Delivered by Fri 18 Sep
SparkFun MicroMod Environmental Function Board
SKU: SF-SEN-18632 | Brand: SparkFun
The SparkFun MicroMod Environmental Function Board adds additional sensing options to the MicroMod Processor Boards. This Function Board includes three sensors to monitor air quality (SGP40), humidity & temperature (S...
Delivered by Mon 7 Sep
Fermion: MEMS Gas Sensor - MiCS-2714 (Breakout)
SKU: DF-SEN0441 | Brand: DFRobot
This is a hydrogen and nitrogen oxide gas concentration sensor launched by DFRobot. The sensor uses MEMS technology to support gas concentration detection of NO, NO2 and H2. The matching sample code integrates the co...
Delivered by Mon 7 Sep
SparkFun Digital Temperature Sensor Breakout - AS6212 (Qwiic)
SKU: SF-SEN-18521 | Brand: SparkFun
The SparkFun AS6212 Digital Temperature Sensor Breakout delivers high-accuracy temperature measurements with excellent low power consumption. Using the AS6212 sensor from ams AG, it achieves ±0.2 °C accuracy across a ...
Delivered by Mon 7 Sep
Fermion: SGP40 Air Quality Sensor (Breakout)
SKU: DF-SEN0392 | Brand: DFRobot
The SGP40 Air Quality sensor adopts the new SGP40 digital VOC sensor chip launched by the well-known Sensirion. Based on the Sensirion’s CMOSens® technology, the SGP40 offers a complete sensor system on a single chip,...
Delivered by Mon 7 Sep
Dual Gas CO and CH4 Detection Sensor - MQ-9B
SKU: SF-SEN-17050 | Brand: SparkFun
The MQ-9B is a CO and CH₄ gas detection sensor form Winsen. The sensing material of the MQ-9B is SnO2, which has a low conductivity in clean air. It detects carbon monoxide (1.5V) by method of cycling high and low tem...
Delivered by Mon 7 Sep