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 Factory-Calibrated Laser Methane CH4 Sensor
SKU: DF-SEN0654 | Brand: DFRobot
This lab-grade methane sensor is designed for quantitative CH₄ measurement in research settings, using TDLAS technology to report methane concentration in %LEL rather than the broad estimates typical of MQ-style gas s...
Delivered by Wed 4 Nov
Gravity BMP585 Barometric Pressure & Temperature Sensor (I2C/UART)
SKU: DF-SEN0664 | Brand: DFRobot
Built around the Bosch BMP585 chip, this Gravity module measures barometric pressure and temperature for altitude, weather and environmental sensing projects. Its gel-filled cavity and industrial protective cover help...
Delivered by Wed 4 Nov
Gravity BMP581 Barometric Pressure & Temperature Sensor - I2C/UART
SKU: DF-SEN0665 | Brand: DFRobot
This compact Gravity module brings Bosch BMP581 pressure and temperature sensing to microcontroller projects that need stable altitude or environmental readings. It is designed for applications such as drone altitude ...
Delivered by Wed 4 Nov
Gravity HF Gas Sensor (Calibrated) - I2C/UART/Analogue
SKU: DF-SEN0475 | Brand: DFRobot
Measure hydrogen fluoride concentration with a factory-calibrated electrochemical probe that supports analogue, I2C and UART output modes. It is designed for quickly building an HF concentration detector for industria...
Delivered by Wed 4 Nov
Gravity SFA40 Formaldehyde (HCHO) Sensor
SKU: DF-SEN0661 | Brand: DFRobot
This Gravity-series module is a high-precision electrochemical sensor for monitoring formaldehyde (HCHO) in indoor air. It is built around Sensirion’s SFA40 sensing chip and is designed to selectively detect HCHO whil...
Delivered by Wed 4 Nov
Gravity Calibrated NH3 Ammonia Sensor - I2C/UART
SKU: DF-SEN0469 | Brand: DFRobot
This calibrated gas sensor measures ammonia concentration in the environment using an electrochemical probe. It supports three output modes — analogue, I2C and UART — so it can slot into a wide range of microcontrolle...
Delivered by Wed 4 Nov
DFRobot SEN0659 Industrial RS485 NDIR CO2 Sensor - 400-5000ppm
SKU: DF-SEN0659 | Brand: DFRobot
This industrial CO2 probe is built for reliable carbon dioxide monitoring in environments such as indoor air quality systems, pipelines, greenhouses and fresh air systems. It uses NDIR sensing to measure CO2 from 400 ...
Delivered by Wed 4 Nov
DFRobot Ultrasonic 7-in-1 RS485 Weather Sensor
SKU: DF-SEN0657 | Brand: DFRobot
This all-in-one weather station sensor brings seven key environmental measurements into a single outdoor unit: wind speed and direction, temperature, humidity, atmospheric pressure, light intensity and rainfall.It use...
Delivered by Wed 4 Nov
DFRobot SEN0658 9-in-1 Ultrasonic RS485 Weather Sensor
SKU: DF-SEN0658 | Brand: DFRobot
Bring multiple environmental measurements into one rugged field sensor for Arduino, IoT and monitoring projects. This 9-in-1 unit measures ultrasonic wind speed and direction, air temperature, relative humidity, atmos...
Delivered by Wed 4 Nov
PT100 Platinum RTD Temperature Sensor
SKU: SF-SEN-17059 | Brand: SparkFun
This PT100 is a platinum RTD (Resistance Temperature Detector) for accurate temperature sensing. It has a nominal resistance of 100Ω at 0°C, with resistance changing as temperature changes.It is suitable for applicati...
Delivered by Wed 4 Nov
Cup Anemometer with RJ11 Connector
SKU: SF-SEN-28869 | Brand: SparkFun
This anemometer measures wind speed using rotating cups that turn an enclosed magnet. On each rotation, the magnet closes a reed switch, producing a simple pulse output that can be counted by your electronics.The outp...
Delivered by Wed 4 Nov
Self-Emptying Rain Gauge with RJ11
SKU: SF-SEN-28867 | Brand: SparkFun
This rain gauge measures rainfall using a self-emptying bucket-type mechanism. Each time enough rain is collected, it triggers a momentary button closure that can be read by your electronics project.The switch closure...
Delivered by Wed 4 Nov
Renesas FS3000-1005 SMD Air Velocity Module
SKU: SF-SEN-29758 | Brand: SparkFun
This surface-mount air velocity module uses a MEMS thermopile-based sensor to measure airflow in compact electronic assemblies. It is designed for low-profile enclosures where board space and height are limited.The FS...
Delivered by Wed 4 Nov
ZMOD4450 Refrigeration Air Quality Gas Sensor Module
SKU: SF-COM-21506 | Brand: SparkFun
The ZMOD4450 is a compact gas sensor module for detecting gases associated with food ripening or rotting. It is intended for refrigeration air quality (RAQ) applications such as food storage and shipping, including hu...
Delivered by Wed 4 Nov
Adafruit SCD-43 True CO2, Temperature & Humidity Sensor
SKU: AF-6512 | Brand: Adafruit
This compact breakout measures true ambient CO2 concentration using photoacoustic sensor technology, rather than estimating CO2 from VOC gas concentration. It reports CO2 in parts per million and also includes integra...
Delivered by Tue 17 Nov
DHT11 Temperature and Humidity Sensor Module
SKU: LB-DHT11-SENSOR | Brand: Little Bird
The Little Bird DHT11 Temperature and Humidity Sensor Module provides calibrated digital temperature and humidity readings from a single sensor. Designed and made in Sydney, Australia, it requires no extra components ...
Out of stock
Temperature Sensor - TMP36
SKU: SF-SEN-10988 | Brand: SparkFun
This is the same temperature sensor that is included in our SparkFun Inventor’s Kit. The TMP36 is a low voltage, precision centigrade temperature sensor. It provides a voltage output that is linearly proportional to t...
Out of stock
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...
Out of stock
W1209 High-precision Digital Thermostat Incubator Temperature Controller
SKU: EC-SSE01209P | Brand: Elecrow
This is a high-precision temperature control module, it can not only show the temperature, but also according to the current temperature of the relay control, it can control some of the power equipment through the ...
Out of stock
Enviro + Air Quality for Raspberry Pi
SKU: PR-PIM458 | Brand: Little Bird
Monitor your world with Enviro and Enviro + Air Quality for Raspberry Pi! There's a whole bunch of fancy environmental sensors on these boards, and a gorgeous little full-colour LCD to display your data. They're th...
Out of stock