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.
Octopus Temperature Sensor Brick TMP36 Analog for Arduino Micro:bit
SKU: EF-EF04079 | Brand: ElecFreaks
Octopus TMP36 Temperature Sensor Brick is a temperature sensor with low voltage and accurate celsius read. It can provide voltage output,which forms a linear relationship with celsius temperature. TMP36 do not need an...
Delivered by Mon 26 Oct
Adafruit AHT20 - Temperature Humidity Sensor Breakout Board - STEMMA QT / Qwiic
SKU: AF-4566 | Brand: Adafruit
The Adafruit AHT20 is an affordable I2C temperature and humidity sensor from the makers of the popular DHT22. It delivers reliable readings with standard I2C communication, making it easy to use with any Arduino, Rasp...
Delivered by Tue 17 Nov
Adafruit BME680 - Temperature, Humidity, Pressure and Gas Sensor
SKU: AF-3660 | Brand: Adafruit
The BME680 from Bosch delivers comprehensive environmental sensing in a single compact package. This precision sensor measures temperature, humidity, barometric pressure, and VOC gas levels, all accessible over I2C or...
Delivered by Tue 17 Nov
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 Wed 4 Nov
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 Tue 17 Nov
SHT20 I2C Temperature Humidity Sensor (Waterproof Probe)
SKU: DF-SEN0227 | Brand: DFRobot
This SHT20 I2C temperature & humidity sensor is equipped with waterproof probe. It comes with the 4C CMOSens® SHT20 temperature & humidity sensor chip and the probe has gone through dual waterproof protection test...
Delivered by Wed 4 Nov
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 Mon 9 Nov
SparkFun CO₂ Humidity and Temperature Sensor - SCD40 (Qwiic)
SKU: SF-SEN-22395 | Brand: SparkFun
The SparkFun SCD40 breakout board measures CO₂ concentration, humidity, and temperature using Sensirion's PASens photoacoustic measurement technology. The sensor detects CO₂ from 0 to 40,000 ppm with high accuracy ove...
Delivered by Wed 4 Nov
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 Wed 4 Nov
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 Wed 4 Nov
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 Wed 4 Nov
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 Wed 4 Nov
SparkFun Digital Temperature Sensor Breakout - AS6212 (Qwiic)
SKU: SF-SEN-18521 | Brand: SparkFun
The SparkFun AS6212 Digital Temperature Sensor Breakout delivers high-accuracy temperature measurements with excellent low power consumption. Using the AS6212 sensor from ams AG, it achieves ±0.2 °C accuracy across a ...
Delivered by Wed 4 Nov
MTH02 Digital Temperature Humidity Sensor
SKU: EC-SEM02001S | Brand: Elecrow
Japan's Hokuriku resistive humidity sensor production as a Temperature & Humidity sensor.Application Idea Test and testing equipment; Automatic control; Weather station; Humidity regulator; Features Measure the relati...
Delivered by Fri 13 Nov
BME680 Environmental Sensor Module
SKU: DF-SEN0375 | Brand: DFRobot
BME680 is a 4-in-1 multi-functional MEMS environmental sensor which integrates VOC (Volatile Organic Compounds) sensor, temperature sensor, humidity sensor and barometer. It is designed for air quality monitor, and du...
Delivered by Mon 26 Oct
Octopus LM35 Analog Temperature Brick
SKU: EF-EF04070 | Brand: ElecFreaks
The Octopus LM35 Analog Temperature Brick is a plug-and-play temperature sensor module based on the TI LM35D precision centigrade temperature sensor. The LM35 outputs a voltage linearly proportional to temperature (10...
Delivered by Mon 9 Nov
SparkFun Digital Temperature Sensor - TMP102 (Qwiic)
SKU: SF-SEN-16304 | Brand: SparkFun
The SparkFun TMP102 Qwiic breakout provides accurate digital temperature readings over I2C with minimal wiring. Based on the Texas Instruments TMP102, the sensor delivers 0.0625 °C resolution and ±0.5 °C accuracy, com...
Delivered by Wed 4 Nov
Octopus DS18B20 Digital Temperature Brick
SKU: EF-EF04042 | Brand: ElecFreaks
The Octopus DS18B20 Digital Temperature Brick uses the DS18B20 1-Wire digital temperature sensor from Maxim IC to deliver accurate readings from −55 °C to +125 °C with ±0.5 °C accuracy. Each sensor has a unique 64-bit...
Delivered by Mon 9 Nov
Octopus Waterproof DS18B20 Temperature Sensor
SKU: EF-EF04095 | Brand: ElecFreaks
This sensor is a temperature detector used to test the liquid temperature based on 18b20. Characteristics Standard 3-pin GVS ports is easy to plug. 3V working voltage can drive the micro:bit. Water-proof design ma...
Delivered by Mon 26 Oct
Adafruit PCT2075 Temperature Sensor - STEMMA QT / Qwiic
SKU: AF-4369 | Brand: Adafruit
The Adafruit PCT2075 Temperature Sensor is a precise, affordable I2C temperature sensor and a drop-in replacement for the classic LM75. With an 11-bit ADC (compared to the LM75's 9-bit), it delivers finer temperature ...
Delivered by Tue 17 Nov