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.
SHT31 Digital Temperature Humidity Sensor Breakout8.90
SKU: DF-SEN0331 | Brand: DFRobot
This DFRobot SHT31 digital temperature and humidity sensor is based upon the Sensirion SHT31 sensor IC. Thanks to Sensirion’s CMOSens® technology, highly integrated capacitive humidity sensing components and band-gap ...
Delivered by Thu 2 Jul
Adafruit BMP388 - Precision Barometric Pressure and Altimeter
SKU: AF-3966 | Brand: Adafruit
The BMP388 from Bosch is a high-precision barometric pressure and temperature sensor, offering significantly improved altitude accuracy over the BMP280. With altitude noise as low as 0.1 metres and a relative accuracy...
Delivered by Tue 23 Jun
Adafruit PT1000 RTD Temperature Sensor Amplifier - MAX31865
SKU: AF-3648 | Brand: Adafruit
The Adafruit PT1000 RTD Temperature Sensor Amplifier is a breakout board for the MAX31865 precision RTD-to-digital converter, configured for PT1000 platinum resistance temperature detectors. It reads 2-, 3-, or 4-wire...
Delivered by Mon 13 Jul
PM2.5 Air Quality Sensor and Breadboard Adapter Kit - PMS5003
SKU: AF-3686 | Brand: Adafruit
Breathe easy, knowing that you can track and sense the quality of the air around you with the PM2.5 Air Quality Sensor with Breadboard Adapter particulate sensor. Mad Max & Furiosa definitely should have ho...
Delivered by Mon 13 Jul
Gravity: Arduino LPG Gas Sensor (MQ4)
SKU: DF-SEN0129 | Brand: DFRobot
INTRODUCTION This is an Arduino CH4 gas sensor. It uses MQ4 probe which is able to detect nature gas, CH4. It is less sensitivity in detecting alcohol, cooking fumes, and cigarette smok...
Delivered by Tue 23 Jun
Gravity: Arduino Gas Sensor (MQ2)
SKU: DF-SEN0127 | Brand: DFRobot
INTRODUCTION This is a generic Arduino gas sensor. It has MQ2 probe which is able to detect LPG, i-butane, propane, methane ,alcohol, Hydrogen, smoke.It can be used in gas leakage detecting device in c...
Delivered by Thu 2 Jul
MPL3115A2 - I2C Barometric Pressure/Altitude/Temperature Sensor
SKU: AF-1893 | Brand: Adafruit
The MPL3115A2 is a precision barometric pressure, altitude, and temperature sensor from NXP (formerly Freescale) that communicates over I2C. With 1.5 Pa resolution, it can resolve altitude changes as small as 0.3 m an...
Delivered by Mon 13 Jul
Fermion: MEMS Hydrogen H2 Gas Detection Sensor (Breakout, 0.1-1000ppm)
SKU: DF-SEN0572 | Brand: DFRobot
The Fermion MEMS H2 Sensor is a compact hydrogen gas detection module using micro-electromechanical system (MEMS) technology. It provides qualitative measurement of hydrogen concentration from 0.1 to 1000 ppm via an a...
Delivered by Tue 23 Jun
Fermion: MEMS Carbon Monoxide CO Gas Detection Sensor (Breakout, 5-5000ppm)
SKU: DF-SEN0564 | Brand: DFRobot
The Fermion MEMS Carbon Monoxide Sensor uses micro-electromechanical system (MEMS) technology to detect CO gas concentrations from 5 to 5,000 ppm. Its compact size, low power consumption, short preheat time, and fast ...
Delivered by Tue 23 Jun
Adafruit MPRLS Ported Pressure Sensor Breakout - 0 to 25 PSI
SKU: AF-3965 | Brand: Adafruit
The Adafruit MPRLS Ported Pressure Sensor Breakout measures absolute air pressure from 0 to 25 PSI (0–172 kPa) via a stainless steel port. Unlike typical barometric sensors, the metal port lets you attach tubing to me...
Delivered by Mon 13 Jul
Gravity: Arduino Hydrogen Gas Sensor (MQ8)
SKU: DF-SEN0133 | Brand: DFRobot
This is an Arduino hydrogen gas sensor. It has high sensitivity to Hydrogen (H2) and less sensitivity to alcohol, LPG,cooking fumes . Hydrogen gas is highly flammable and will burn in air at a very wide range...
Delivered by Thu 2 Jul
Gravity: DS18B20 Temperature Sensor (Arduino Compatible)
SKU: DF-DFR0024 | Brand: DFRobot
While there are many types of temperature sensors available in the market, the DS18B20 arduino Temperature Sensor form DALLAS is the best choice in applications which require high accuracy and high reliability. It...
Delivered by Thu 2 Jul
Gravity: Arduino LM35 Temperature Sensor
SKU: DF-DFR0023 | Brand: DFRobot
This is an Arduino Temperature Sensor based on LM35 temperature chip. A Temperature Sensor can be used to detect ambient air temperature.The LM35 chip is produced by National Semiconductor Corporation and offers a fun...
Delivered by Tue 23 Jun
Gravity: Arduino DHT11 Temperature Humidity Sensor
SKU: DF-DFR0067 | Brand: DFRobot
This Gravity-compatible DHT11 sensor provides calibrated digital temperature and humidity readings via a single data pin. With an integrated 8-bit microcontroller and factory-calibrated coefficients stored in OTP memo...
Delivered by Tue 23 Jun
BMP390 High Precision Barometric Pressure Sensor, Barometric Pressure / Altitude / Temperature Measuring
SKU: WS-24658 | Brand: Waveshare
BMP390 High Precision Barometric Pressure Sensor, Barometric Pressure / Altitude / Temperature Measuring BMP390 High Precision Barometric Pressure Sensor Suitable for Barome...
Delivered by Tue 23 Jun
Fermion: MEMS Volatile Organic Compounds VOC Gas Detection Sensor (Breakout, 1-500ppm)
SKU: DF-SEN0566 | Brand: DFRobot
Fermion: MEMS Volatile Organic Compounds VOC Gas Sensor employs state-of-the-art microelectromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (<20mA...
Delivered by Tue 23 Jun
Fermion: ENS160 Air Quality Sensor (Breakout)
SKU: DF-SEN0515 | Brand: DFRobot
This Fermion: ENS160 Air Quality Sensor, based on ScioSense's new ENS160 sensor chip, is specifically designed for indoor air quality monitoring and offers detection of multiple IAQ data(TVOC, eCO2, AQI).The innovativ...
Delivered by Thu 2 Jul
AM2301B - Wired Enclosed AHT20 - Temperature and Humidity Sensor
SKU: AF-5181 | Brand: Adafruit
The AM2301B is an affordable enclosed temperature and humidity sensor featuring an I2C interface — a modern upgrade over the classic DHT22/AM2302 sensors that required bit-bang timing protocols. Inside is the proven A...
Delivered by Tue 23 Jun
Gravity: DHT20 Temperature & Humidity Sensor for Arduino
SKU: DF-SEN0497 | Brand: DFRobot
The DHT20 temperature & humidity sensor is the newly upgraded version of the DHT11. Data accuracy, stability, response speed, measurement range are greatly improved up. DHT20 is a brand new ASIC dedicated chip, an imp...
Delivered by Thu 2 Jul
Adafruit MLX90640 IR Thermal Camera Breakout - 55 Degree
SKU: AF-4407 | Brand: Adafruit
The Adafruit MLX90640 IR Thermal Camera Breakout features a 24×32 array of infrared thermal sensors that returns 768 individual temperature readings over I2C. It's an affordable way to add heat-vision to any microcont...
Delivered by Mon 13 Jul