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.
Digi X-ON LoRaWAN IoT Node & Gateway Kit (North America)
SKU: SF-KIT-27213 | Brand: SparkFun
This kit brings together the main parts needed to evaluate and deploy a LoRaWAN® IoT sensor system: a Digi HX15 Gateway for LoRaWAN®, a SparkFun IoT Node for LoRaWAN® board and a SparkFun ENS160/BME280 Qwiic Environme...
Delivered by Fri 17 Jul
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 Fri 17 Jul
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 Fri 17 Jul
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 Fri 17 Jul
PAV3015 Air Velocity Sensor (0–15 m/s, I2C)
SKU: DF-SEN0639 | Brand: DFRobot
This compact digital anemometer measures air velocity for embedded electronics and intelligent control systems. It is built around the Posifa PAV3015D thermal sensing element, using temperature differences across a th...
Delivered by Fri 17 Jul
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 Fri 17 Jul
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 Fri 17 Jul
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 Fri 17 Jul
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 Fri 17 Jul
Adafruit BMP390 - Precision Barometric Pressure and Altimeter
SKU: AF-4816 | Brand: Adafruit
The BMP390 from Bosch (also known as BMP390L) is a high-precision barometric pressure and temperature sensor, offering the best altitude accuracy in the Bosch pressure sensor lineup. With relative accuracy of ±3 Pasca...
Out of stock
Analog CO/Combustible Gas Sensor(MQ9)
SKU: EC-SES90101S | Brand: Elecrow
The MQ-9 is an analog gas sensor module with high sensitivity to carbon monoxide (CO), methane, propane, and LPG. It uses an SnO2 sensing element that changes conductivity in the presence of target gases, making it su...
Out of stock
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
Adafruit HDC3021 Precision Temperature & Humidity Sensor
SKU: AF-5989 | Brand: Adafruit
The Adafruit HDC3021 is a high-precision I²C temperature and humidity sensor breakout featuring the TI HDC302x series chip. With typical humidity accuracy of ±0.5% RH (and just 0.19% long-term drift) and temperature a...
Out of stock
Grove - Alcohol Sensor
SKU: SS-101020044 | Brand: Seeed Studio
Alcohol sensor is semiconductor sensor for alcohol detection. It has good sensitivity and fast response to alcohol, suitable for portable alcohol detector. Specifications Power requirements: 5 VDC @ ~120 ...
Out of stock
GY-68 BMP180 Digital Barometric Pressure Sensor Board Module
SKU: LB-LR0100 | Brand: Little Bird
Elevate your project with the GY-68 BMP180 Sensor Module, a compact and highly accurate digital barometric pressure sensor designed for precision measurements in various applications.Product Specifications: Item Name...
Out of stock
AGS02MA I2C TVOC Gas Sensor
SKU: AF-5593 | Brand: Adafruit
The AGS02MA is a compact MOX-based TVOC (Total Volatile Organic Compounds) gas sensor with an I2C interface. It features a built-in ADC that outputs gas resistance and parts-per-billion (ppb) readings — higher ppb val...
Out of stock
SparkFun Air Velocity Sensor Breakout - FS3000-1005 (Qwiic)
SKU: SF-SEN-18377 | Brand: SparkFun
Need to keep track of the airflow in your data center or around your servers? How about making sure your HVAC and air control systems are functioning at full capacity? Well, the new SparkFun FS3000-1005 Air Velocity S...
Out of stock
AMG8832 Infrared Array Sensor
SKU: ET-2475261 | Brand: Little Bird
The Panasonic AMG8832 Grid-EYE is an infrared array sensor evaluation board featuring a 64-pixel (8×8) thermal imaging sensor in an all-in-one SMD package. It detects absolute surface temperatures from -20°C to +100°C...
Out of stock
Temperature Sensor - TMP36
SKU: PI-COM1701 | Brand: Pimoroni
The TMP36 is a low voltage, precision centigrade temperature sensor. It provides a voltage output that is linearly proportional to the Celsius temperature. It also doesn’t require any external calibration to provide t...
Out of stock
Thermocouple Type-K Glass Braid Insulated - 5m
SKU: AF-3895 | Brand: Adafruit
Thermocouples are best used for measuring temperatures that can go above 100°C. This is a bare-wire bead-probe which can measure air or surface temperatures. Most inexpensive thermocouples have a vinyl covering whi...
Out of stock