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.
Waterproof DS18B20 Digital Temperature Sensor For Arduino
SKU: DF-DFR0198 | Brand: DFRobot
This is a waterproofed version of the DS18B20 Temperature sensor. Handy for when you need to measure something far away, or in wet conditions. While the sensor is good up to 125°C the cable is jacketed in PV...
Delivered by Tue 23 Jun
Temperature Sensor - Waterproof (DS18B20)
SKU: SF-SEN-11050 | Brand: SparkFun
This sealed digital temperature probe lets you precisely measure temperatures in wet environments with a simple 1-Wire interface. The DS18B20 provides 9 to 12-bit (configurable) temperature readings over a 1-Wire i...
Delivered by Tue 23 Jun
Waterproof DS18B20 Sensor Kit
SKU: DF-KIT0021 | Brand: DFRobot
A waterproof DS18B20 digital temperature sensor kit with everything you need to connect to an Arduino. The stainless steel probe measures temperatures from -55°C to +125°C over a 1-Wire interface, requiring just one d...
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
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
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
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
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
Adafruit PMSA003I Air Quality Breakout - STEMMA QT / Qwiic
SKU: AF-4632 | Brand: Adafruit
The Adafruit PMSA003I Air Quality Breakout is a compact laser-scattering particulate matter sensor with an I2C interface — a significant advantage over the UART-based sensors that dominate this category. Simply connec...
Delivered by Tue 23 Jun
Temperature Sensor - High Temperature, Waterproof (DS18B20)
SKU: SF-SEN-18367 | Brand: SparkFun
A sealed, waterproof DS18B20 digital temperature probe for precise measurements in wet or harsh environments. The sensor communicates over a 1-Wire interface, requiring just one data pin (plus ground) to connect to yo...
Delivered by Tue 23 Jun
Adafruit BMP388 - Precision Barometric Pressure and Altimeter
SKU: AF-3966 | Brand: Adafruit
The BMP388 from Bosch is a high-precision barometric pressure and temperature sensor, offering significantly improved altitude accuracy over the BMP280. With altitude noise as low as 0.1 metres and a relative accuracy...
Delivered by Tue 23 Jun
Fermion: MEMS Hydrogen H2 Gas Detection Sensor (Breakout, 0.1-1000ppm)
SKU: DF-SEN0572 | Brand: DFRobot
The Fermion MEMS H2 Sensor is a compact hydrogen gas detection module using micro-electromechanical system (MEMS) technology. It provides qualitative measurement of hydrogen concentration from 0.1 to 1000 ppm via an a...
Delivered by Tue 23 Jun
Adafruit MPRLS Ported Pressure Sensor Breakout - 0 to 25 PSI
SKU: AF-3965 | Brand: Adafruit
The Adafruit MPRLS Ported Pressure Sensor Breakout measures absolute air pressure from 0 to 25 PSI (0–172 kPa) via a stainless steel port. Unlike typical barometric sensors, the metal port lets you attach tubing to me...
Delivered by Mon 13 Jul
Gravity: DS18B20 Temperature Sensor (Arduino Compatible)
SKU: DF-DFR0024 | Brand: DFRobot
While there are many types of temperature sensors available in the market, the DS18B20 arduino Temperature Sensor form DALLAS is the best choice in applications which require high accuracy and high reliability. It...
Delivered by Thu 2 Jul
Gravity: Arduino LM35 Temperature Sensor
SKU: DF-DFR0023 | Brand: DFRobot
This is an Arduino Temperature Sensor based on LM35 temperature chip. A Temperature Sensor can be used to detect ambient air temperature.The LM35 chip is produced by National Semiconductor Corporation and offers a fun...
Delivered by Tue 23 Jun