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 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 Thu 2 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 Thu 2 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 Thu 2 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 Thu 2 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
Particulate Matter Sensor - SPS30
SKU: SF-SEN-15103 | Brand: SparkFun
The Sensirion SPS30 is a compact, high-quality optical particle sensor that uses laser scattering and Sensirion's innovative contamination-resistance technology for superior binning and particle measurement. It measur...
Out of stock
Adafruit Sensirion SHT45 Precision Temp & Humidity with PTFE
SKU: AF-6174 | Brand: Adafruit
The Adafruit Sensirion SHT45 is the highest-accuracy sensor in the SHT4x family, delivering ±1.0% typical relative humidity accuracy and ±0.1 °C typical temperature accuracy. Featuring a PTFE membrane for protection a...
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
BMP388 Digital Pressure Sensor Module
SKU: DF-SEN0371 | Brand: DFRobot
The BMP388 Digital Pressure Sensor Module is a high-accuracy barometric pressure and temperature breakout based on the Bosch BMP388. It offers significantly improved performance over its predecessors (BMP180, BMP280) ...
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
SparkFun Atmospheric Sensor Breakout - BME280
SKU: SF-SEN-13676 | Brand: SparkFun
The SparkFun BME280 Atmospheric Sensor Breakout measures barometric pressure, humidity, and temperature in a compact package. Whether you're building a weather station, home automation system, or indoor air quality mo...
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
Hackster & DFRobot EEDU Enviromental Sensor Kit (ESP32)
SKU: DF-TEM2022C-EN-1 | Brand: DFRobot
The Hackster and DFRobot EEDU Environmental Sensor Kit provides everything you need to get started with IoT environmental monitoring using an ESP32-based FireBeetle board. Build practical projects that monitor soil mo...
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
SparkFun High Precision Temperature Sensor - TMP117 (Qwiic)
SKU: SF-SEN-15805 | Brand: SparkFun
The SparkFun Qwiic TMP117 breakout is a high precision temperature sensor equipped with an I2C interface. It outputs temperature readings with high precision of ±0.1°C across the temperature range of -20°C to +50°Cs w...
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
Analog Output K-Type Thermocouple Amplifier - AD8495 Breakout
SKU: AF-1778 | Brand: Adafruit
The AD8495 from Analog Devices is an analog-output K-type thermocouple amplifier on a compact breakout board. Simply power the board with 3–18V DC, connect a K-type thermocouple to the terminal block, and read the tem...
Out of stock