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.
Raspberry Pi Sense HAT rev.2
SKU: RP-SC0329 | Brand: Raspberry Pi Ltd
Raspberry Pi Sense HAT V2 — Your Mission Control for Data, Dazzle, and DIY Experiments!What if your Raspberry Pi could sense everything—orientation, weather, movement, your own code-controlled lightshow…and let you in...
Delivered by Tue 23 Jun
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
1-Wire Digital Temperature Sensor for Raspberry Pi - Unassembled (1m)
SKU: LB-LR-DIGI-TEMP-1M-UA | Brand: Little Bird
The Little Bird 1-Wire Digital Temperature Sensor for Raspberry Pi — a plug-and-play solution for environment sensing, data logging, and IoT applications. Simply plug it onto the Raspberry Pi GPIO header — no breadboa...
Delivered by Tue 23 Jun
Waterproof DS18B20 Temperature Probe 1M with XH2.54mm Connector
SKU: LB-LS4690 | Brand: Little Bird
Digital temperature sensor DS18B20, waterproof case. Working range from -55 to 125 degrees. Resolution 0.5 in range from -10 up to 85 degrees.
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
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
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
Kitronik Air Quality Datalogging Board for Pico
SKU: KI-5336 | Brand: Kitronik
The Kitronik Smart Air Quality Board provides a complete air monitoring and datalogging solution for the Raspberry Pi Pico. With an onboard BME688 environmental sensor, OLED display, real-time clock support, and Micro...
Delivered by Tue 23 Jun
Waterproof SMD DS18B20 Digital Temperature Sensor
SKU: DF-SEN0511 | Brand: DFRobot
This waterproof DS18B20 digital temperature sensor delivers accurate readings over a simple 1-Wire interface, requiring just a single data pin on your microcontroller. The sealed probe and silicone lead wire make it i...
Delivered by Thu 2 Jul
Waterproof DS18B20 Digital temperature sensor + extras
SKU: AF-381 | Brand: Adafruit
This is a pre-wired and waterproofed version of the DS18B20 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 PVC ...
Delivered by Tue 23 Jun
Temperature and Humidity Sensor Module KY-028
SKU: LB-LR0010 | Brand: Little Bird
Digital TempTemperature sensing module using an NTC thermistor. The output signal at ‘DO’ switches high when the preset (adjustable) temperature is reached. An analog output signal from the sensor is availab...
Delivered by Tue 23 Jun
Raspberry Pi Sense HAT [For the Pi 3 / 2 / B+ / A+]
SKU: AF-2738 | Brand: Adafruit
Control the same hardware as used in space...build your very own Astro Pi with the new Raspberry Pi Sense HAT! The Raspberry Pi Sense HAT is attached on top of the Raspberry Pi via the 40 GPIO pins to create an ‘As...
Delivered by Mon 13 Jul
Air Quality and Environmental Control HAT for Raspberry Pi
SKU: KI-5038 | Brand: Kitronik
The Kitronik Air Quality Control HAT for Raspberry Pi lets you monitor, log, and react to environmental data using the BME688 sensor. It measures temperature, pressure, humidity, air quality index, and eCO2, with an o...
Delivered by Tue 23 Jun
Threshold Formaldehyde HCHO Detection Sensor (0-20ppm)
SKU: DF-SEN0595 | Brand: DFRobot
##Introduction This formaldehyde gas sensor differs from most gas sensors on the market as it does not provide specific gas concentration data. Instead, it detects whether the surrounding environment exceeds or falls ...
Delivered by Thu 2 Jul
Threshold Carbon Monoxide Detection Sensor (0-1000ppm)
SKU: DF-SEN0596 | Brand: DFRobot
##Introduction This carbon monoxide gas sensor differs from most gas sensors on the market as it does not provide specific gas concentration data. Instead, it detects whether the surrounding environment exceeds or fal...
Delivered by Thu 2 Jul
Sensor ELECFREAKS PlanetX DHT11
SKU: EF-EF05004 | Brand: ElecFreaks
It is sensitive to changes in ambient temperature and humidity and can be used for high-temperature alarms and environmental humidity detection.PlanetX DHT11
Delivered by Thu 2 Jul
Water Leak Detector
SKU: DF-SEN0454 | Brand: DFRobot
A relay-output water leak detector with NO/NC (normally open/normally closed) switching. When water contacts the two sensing probes, the built-in relay triggers — suitable for activating alarms or shutting off equipme...
Delivered by Thu 2 Jul
Waterproof DS18B20 Temperature Probe 0.5m with XH2.54mm Connector
SKU: LB-LS4690-50CM | Brand: Little Bird
A waterproof DS18B20 digital temperature probe with a 0.5m cable and XH2.54mm connector. Ideal for monitoring temperatures in wet or harsh environments including aquariums, hydroponics, brewing, and outdoor weather st...
Out of stock
Pico Air Monitoring Expansion
SKU: SB-21819 | Brand: Little Bird
The Pico Air Monitoring Expansion is a HAT for Raspberry Pi Pico that measures suspended particulate matter (PM1.0, PM2.5, and PM10) in the air. It uses a PMSA003 digital laser dust sensor and includes an onboard 0.91...
Out of stock