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.
SparkFun Temperature Sensor - STTS22H (Qwiic)
SKU: SF-SEN-21262 | Brand: SparkFun
The SparkFun STTS22H is a Qwiic-enabled temperature sensor breakout based on ST Microelectronics' ultralow-power, high-accuracy digital temperature sensor. Factory calibrated to ±0.5°C accuracy without any application...
Delivered by Fri 10 Jul
SparkFun OpenLog Data Collector with Machinechat - Environmental Monitoring
SKU: SF-KIT-20683 | Brand: SparkFun
The Environmental Monitoring version of the SparkFun OpenLog Data Collector Kit with Machinechat is an easy way to organize and display your data from an included BME280 Qwiic Atmospheric Sensor with the OpenLog Artem...
Delivered by Fri 10 Jul
SparkFun OpenLog Data Collector with Machinechat - Air Quality Monitoring
SKU: SF-KIT-20684 | Brand: SparkFun
The Air Quality Monitoring version of the SparkFun OpenLog Data Collector Kit with Machinechat is an easy way to organize and display your data from an included SGP40 Qwiic Air Quality Sensor with the OpenLog Artemis ...
Delivered by Fri 10 Jul
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 Fri 10 Jul
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 Fri 10 Jul
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 Fri 10 Jul
Gravity: H2 Sensor (Calibrated) - I2C & UART
SKU: DF-SEN0473 | Brand: DFRobot
This is a sensor that detects hydrogen 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 ...
Delivered by Fri 10 Jul
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 Fri 10 Jul
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 Fri 10 Jul
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 Fri 10 Jul
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 Fri 10 Jul
Gravity: HCL Sensor (Calibrated) - I2C & UART
SKU: DF-SEN0474 | Brand: DFRobot
This is a sensor that detects hydrogen chloride 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 concentr...
Delivered by Fri 10 Jul
Gravity: CL2 Sensor (Calibrated) - I2C & UART
SKU: DF-SEN0468 | Brand: DFRobot
This is a sensor that detects chlorine 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 ...
Delivered by Fri 10 Jul
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 Fri 10 Jul
Gravity: PH3 Sensor (Calibrated) - I2C & UART
SKU: DF-SEN0476 | Brand: DFRobot
This is a sensor that detects phosphine 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...
Delivered by Fri 10 Jul
Water Leak Detector
SKU: DF-SEN0454 | Brand: DFRobot
A relay-output water leak detector with NO/NC (normally open/normally closed) switching. When water contacts the two sensing probes, the built-in relay triggers — suitable for activating alarms or shutting off equipme...
Delivered by Fri 10 Jul
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 Fri 10 Jul
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 Fri 10 Jul
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 Fri 10 Jul
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 Thu 23 Jul