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: I2C BME280 Environmental Sensor (Temperature, Humidity, Barometer)
SKU: DF-SEN0236 | Brand: DFRobot
BME280 is an environmental sensor that integrates onboard temperature sensor, humidity sensor and barometer. The sensor is of high precision, multiple functions, and small size etc. It provides both SPI and I2C in...
Delivered by Tue 23 Jun
Atmospheric Pressure Sensor Module
SKU: LB-24-ATMOS | Brand: Little Bird
A compact barometric pressure and temperature sensor module that communicates over I2C. Ideal for weather stations, altitude estimation, and environmental monitoring projects with micro:bit, Arduino, or other microcon...
Delivered by Tue 23 Jun
Fermion: SHTC3 Temperature & Humidity Sensor (Breakout)
SKU: DF-SEN0414 | Brand: DFRobot
The SHTC3 digital humidity sensor from Sensirion builds on the success of the proven SHTC1 sensor and offers consistent high accuracy within the measuring range. The sensor covers a humidity measurement range of 0 to ...
Delivered by Tue 23 Jun
Fermion: AHT20 Temperature and Humidity Sensor (Breakout)
SKU: DF-SEN0527 | Brand: DFRobot
The Fermion AHT20 is a high-precision, low-cost temperature and humidity sensor breakout from DFRobot. Built around an improved MEMS semiconductor capacitive humidity sensor element, it communicates over a standard I2...
Delivered by Tue 23 Jun
Gravity: DHT20 Temperature & Humidity Sensor for Arduino
SKU: DF-SEN0497 | Brand: DFRobot
The DHT20 temperature & humidity sensor is the newly upgraded version of the DHT11. Data accuracy, stability, response speed, measurement range are greatly improved up. DHT20 is a brand new ASIC dedicated chip, an imp...
Delivered by Thu 2 Jul
Fermion: Multifunctional Environmental Sensor (Breakout)
SKU: DF-SEN0500 | Brand: DFRobot
This compact multifunctional environmental sensor combines four professional sensor chips into a single breakout board: SHTC3 (temperature and humidity), BMP280 (barometric pressure), VEML7700 (ambient light), and ML8...
Delivered by Thu 2 Jul
Fermion: SHT40 Temperature & Humidity Sensor (Breakout)
SKU: DF-SEN0428 | Brand: DFRobot
The SHT4X is the 4th generation digital temperature and humidity sensor from Sensirion. In line with Sensirion’s industry-proven humidity and temperature sensors, the SHT40 offers consistent high accuracy within measu...
Delivered by Thu 2 Jul
SparkFun Atmospheric Sensor Breakout - BME280 (Qwiic)
SKU: SF-SEN-15440 | Brand: SparkFun
The BME280 Atmospheric Sensor Breakout measures barometric pressure, relative humidity, and temperature from a single compact board. With both Qwiic (I2C) and 0.1″ header connections, it integrates easily into Arduino...
Delivered by Tue 23 Jun
Gravity: Multifunctional Environmental Sensor
SKU: DF-SEN0501 | Brand: DFRobot
This multifunctional environmental sensor comprises SHTC3 temperature & humidity sensor, BMP280 barometric pressure sensor, VEML7700 ambient light sensor, and ML8511 UV sensor into one and offers 5 kinds of environmen...
Delivered by Tue 23 Jun
Fermion: SHT30 Digital Temperature & Humidity Sensor (Breakout)
SKU: DF-SEN0330 | Brand: DFRobot
This Digital Temperature & Humidity Sensor Breakout Board is based upon the Sensirion SHT30 sensor IC. Thanks to Sensirion’s CMOSens® technology, highly integrated capacitive humidity sensing components and band-gap t...
Delivered by Thu 2 Jul
Fermion: SHT35 Digital Temperature & Humidity Sensor (Breakout)
SKU: DF-SEN0333 | Brand: DFRobot
A high-accuracy digital temperature and humidity sensor breakout board based on the Sensirion SHT35 sensor IC. Using Sensirion's CMOSens technology, the SHT35 delivers excellent long-term stability, low power consumpt...
Delivered by Thu 2 Jul
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
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: 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 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
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
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