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 Humidity and Temperature Sensor Breakout - Si7021
SKU: SF-SEN-13763 | Brand: SparkFun
A low-cost, highly accurate digital humidity and temperature sensor breakout board based on the Silicon Labs Si7021. Communicates over I²C with just two data lines, providing relative humidity and precise temperature ...
Delivered by Tue 23 Jun
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 Tue 23 Jun
Indoor ENS160 Air Quality Sensor - I2C
SKU: DF-SEN0537 | Brand: DFRobot
The ENS160 Air Quality Sensor uses ScioSense's ENS160 chip with TrueVOC and metal oxide (MOX) technology to monitor indoor air quality. It outputs TVOC (total volatile organic compounds), eCO2 (equivalent CO2), and AQ...
Delivered by Thu 2 Jul
Gravity: Electrochemical Oxygen Sensor (0-100%Vol) - I2C
SKU: DF-SEN0496 | Brand: DFRobot
This full-scale oxygen sensor uses an original AO2 CiTiceL electrochemical probe to measure oxygen concentrations from 0–100%Vol via I2C digital output. A built-in calibration algorithm on the signal board supports si...
Delivered by Thu 2 Jul
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 Tue 23 Jun
Gravity: SGP40 Air Quality Sensor
SKU: DF-SEN0394 | Brand: DFRobot
The Gravity SGP40 Air Quality Sensor uses Sensirion's SGP40 digital VOC sensor chip with built-in temperature and humidity compensation. It outputs a VOC index (0–500) that can be used directly to evaluate indoor air ...
Delivered by Thu 2 Jul
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 Tue 23 Jun
Gravity: I2C Oxygen Sensor
SKU: DF-SEN0322 | Brand: DFRobot
The Gravity: I2C Oxygen Sensor is based on electrochemical principles and it can measure the ambient O2 concentration accurately and conveniently. With high anti-interference ability, high stablility and high sensitiv...
Delivered by Thu 2 Jul
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 Tue 23 Jun
SparkFun Lightning Detector - AS3935
SKU: SF-SEN-15441 | Brand: SparkFun
The SparkFun Lightning Detector adds lightning detection to your next weather station to make sure you are aware of any potential hazardous weather heading your way. The AS3935 is capable of detecting lightning up to ...
Delivered by Thu 2 Jul
AM2320 Digital Temperature and Humidity Sensor
SKU: PI-COM1700 | Brand: Pimoroni
The AM2320 is a digital temperature and humidity sensor with an I2C interface. Its straightforward I2C communication makes it easy to connect to any Raspberry Pi or Arduino, and it works alongside other I2C sensors an...
Delivered by Tue 23 Jun
Gravity: I2C BME680 Environmental Sensor (VOC, Temperature, Humidity, Barometer)
SKU: DF-SEN0248 | Brand: DFRobot
DFRobot BME680 Environmental Sensor is a low power gas, pressure, temperature & humidity sensor based on BOSCH BME680 sensor. It is a 4-in-1 multi-functional MEMS environmental sensor which integrates VOC (Volatil...
Delivered by Thu 2 Jul
SparkFun Humidity and Temperature Sensor Breakout - HTU21D
SKU: SF-SEN-12064 | Brand: SparkFun
The HTU21D is a low-cost, easy to use, highly accurate, digital humidity and temperature sensor. This sensor is ideal for environmental sensing and data logging and perfect for a weather stations or humidor control sy...
Delivered by Tue 23 Jun
MCP9808 High Accuracy I2C Temperature Sensor Breakout Board
SKU: AF-1782 | Brand: Adafruit
This I2C digital temperature sensor is one of the more accurate/precise we've ever seen, with a typical accuracy of ±0.25°C over the sensor's -40°C to +125°C range and precision of +0.0625°C. They work great with any ...
Delivered by Mon 13 Jul
SparkFun Environmental Combo Breakout - CCS811/BME280 (Qwiic)
SKU: SF-SEN-14348 | Brand: SparkFun
The SparkFun CCS811/BME280 Environmental Combo Breakout takes care of all your atmospheric-quality sensing needs with the popular CCS811 and BME280 ICs. This unique breakout provides a variety of environmental data, i...
Delivered by Tue 23 Jun
LPS331AP Pressure/Altitude Sensor Carrier with Voltage Regulator
SKU: PL-2126 | Brand: Pololu
A breakout board for ST's LPS331AP digital barometric pressure sensor. This sensor measures absolute pressure from 260 to 1260 mbar with excellent accuracy (±2 mbar), making it ideal for altitude estimation, weather m...
Delivered by Tue 23 Jun
Sensor ambiental ELECFREAKS PlanetX BME280
SKU: EF-EF05022 | Brand: ElecFreaks
ELECFREAKS PlanetX BME280 Environment Sensor is a combination sensor based on digital humidity, pressure, and temperature sensors. It is also able to calculate the altitude based on the air pressure value.Learn Plane...
Delivered by Thu 2 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 Thu 2 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 Thu 2 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 Thu 2 Jul