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.
Enviro Indoor (Pico W Aboard) with Accessory Kit
SKU: PR-PIM638 | Brand: Little Bird
A wireless environmental monitoring board to keep track of inside conditions in your home, office or other habitat. Onboard sensors can measure temperature, humidity, pressure, gas and light. The top of the range...
Delivered by Tue 30 Jun
LM75A Temperature Sensor I2C Interface Development Board Module For Raspberry Pi
SKU: LB-LS3579 | Brand: Little Bird
LM75A Temperature Sensor I2C Interface Development Board Module LM75A is a high-speed I2C interface, temperature sensor, in the temperature range -55 ? ~ + 125. The temperature was directly converted to a digital sign...
Delivered by Tue 23 Jun
Ultra Thin 10K Thermistor - B3950 NTC
SKU: AF-4890 | Brand: Adafruit
Need to measure something with a very slim sensor? This precision 10K thermistor is an inexpensive way to measure temperature in a small gap, or taped to a flat surface, it's only 0.2mm wide!The resistance in 25°C is ...
Delivered by Tue 23 Jun
Weather Meter Kit
SKU: SF-SEN-15901 | Brand: SparkFun
This Weather Meter Kit provides the three core sensors for a DIY weather station: an anemometer (wind speed), a wind vane (wind direction), and a rain gauge. All three sensors use passive magnetic reed switches rather...
Delivered by Tue 23 Jun
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
Adafruit Sensirion SHT41 Temperature & Humidity Sensor
SKU: AF-5776 | Brand: Adafruit
The Adafruit Sensirion SHT41 is a high-accuracy temperature and humidity sensor with a true I2C interface, part of Sensirion's fourth-generation SHT4x family. Compared to the SHT40, the SHT41 offers significantly bett...
Delivered by Mon 13 Jul
One Wire Digital Temperature Sensor - DS18B20
SKU: SF-SEN-00245 | Brand: SparkFun
The DS18B20 is a digital temperature sensor from Maxim (now Analog Devices) that communicates over a 1-Wire bus. It reports temperature in degrees Celsius with 9 to 12-bit configurable resolution. Each sensor has a un...
Delivered by Tue 23 Jun
Adafruit Sensirion SHT40 Temperature Humidity Sensor - STEMMA QT / Qwiic
SKU: AF-4885 | Brand: Adafruit
The Adafruit Sensirion SHT40 is a high-accuracy temperature and humidity sensor featuring a true I2C interface for simple two-wire communication. Part of the fourth generation of Sensirion's acclaimed SHT sensor famil...
Delivered by Mon 13 Jul
Temperature Sensor Module DS18B20
SKU: LB-24-TEMP | Brand: Little Bird
A pre-wired DS18B20 digital temperature sensor on a breakout module with three labelled pins for easy connection. The DS18B20 uses the 1-Wire protocol, requiring only a single data line to communicate temperature read...
Delivered by Tue 23 Jun
TMP36 - Analog Temperature sensor [TMP36]
SKU: AF-165 | Brand: Adafruit
The TMP36 is a low-power analog temperature sensor that outputs a voltage proportional to ambient temperature. It operates on 2.7–5.5V and requires no external calibration — simply read the analog voltage and convert ...
Delivered by Tue 23 Jun
Adafruit Universal Thermocouple Amplifier MAX31856 Breakout
SKU: AF-3263 | Brand: Adafruit
The Adafruit Universal Thermocouple Amplifier MAX31856 Breakout reads temperature from virtually any thermocouple type — K, J, N, R, S, T, E, or B — with 0.0078125°C resolution and a measurement range of -210°C to +18...
Delivered by Mon 13 Jul
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
Adafruit PT100 RTD Temperature Sensor Amplifier - MAX31865
SKU: AF-3328 | Brand: Adafruit
The Adafruit PT100 RTD Temperature Sensor Amplifier is a breakout board for the MAX31865 precision RTD-to-digital converter. It reads 2-, 3-, or 4-wire PT100 platinum resistance temperature detectors over SPI, deliver...
Delivered by Tue 23 Jun
Gravity: Non-contact IR Temeperature Sensor For Arduino
SKU: DF-SEN0206 | Brand: DFRobot
INTRODUCTION We can divide temperature measurement in to two types: contact and non-contact. Contact measurement can only accurately measure temperature when the testing object and the se...
Delivered by Thu 2 Jul
Kitronik Air Quality and Environmental Board for micro:bit
SKU: KI-5674 | Brand: Kitronik
The Kitronik Air Quality Board provides a complete air monitoring and reporting solution for the BBC micro:bit. The wealth of onboard sensors and connection points allow you to collect extensive air quality data that ...
Delivered by Tue 23 Jun
DHT20 - AHT20 Pin Module - I2C Temperature and Humidity Sensor
SKU: AF-5183 | Brand: Adafruit
The DHT20 is a nice but inexpensive temperature and humidity sensor from the same folks that brought us the DHT22.This little sensor looks an awful lot like the popular DHT11/DHT22 temperature and humidity s...
Delivered by Mon 13 Jul
Adafruit SCD-41 - True CO2 Temperature and Humidity Sensor
SKU: AF-5190 | Brand: Adafruit
The Adafruit SCD-41 is a photoacoustic true CO2 sensor that directly measures carbon dioxide concentration in ambient air with a wide measurement range of 400 to 5,000 ppm. It also includes integrated temperature and ...
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
Thermocouple Amplifier MAX31855 breakout board (MAX6675 upgrade)
SKU: AF-269 | Brand: Adafruit
The MAX31855 Thermocouple Amplifier Breakout converts K-type thermocouple readings into digital data via SPI, handling cold-junction compensation automatically. It measures temperatures from −200°C to +1350°C in 0.25°...
Delivered by Mon 13 Jul
Adafruit SCD-30 - NDIR CO2 Temperature and Humidity Sensor - STEMMA QT / Qwiic
SKU: AF-4867 | Brand: Adafruit
The Adafruit SCD-30 is a true NDIR (Non-Dispersive Infrared) CO2 sensor that directly measures carbon dioxide concentration in ambient air, rather than estimating it from volatile organic compounds. With an integrated...
Delivered by Tue 23 Jun