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.
12V Precision Temperature Controller with 3 digit display 10Amp Relay
SKU: LB-LR0214-16 | Brand: Little Bird
This compact 12V temperature controller features a 3-digit LED display for setting and monitoring temperature, along with a built-in 10A relay for switching heating or cooling loads. It uses an NTC thermistor probe (i...
Delivered by Tue 23 Jun
DHT22 Temperature and Humidity Sensor
SKU: DF-SEN0137 | Brand: DFRobot
DHT22 capacitive humidity sensing digital temperature and humidity module is one that contains the compound has been calibrated digital signal output of the temperature and humidity sensors. Application of a dedicate...
Delivered by Thu 2 Jul
Adafruit BME280 I2C or SPI Temperature Humidity Pressure Sensor
SKU: AF-2652 | Brand: Adafruit
The Adafruit BME280 Breakout is a precision environmental sensor from Bosch that measures temperature, barometric pressure, and humidity in a single package. With its excellent pressure accuracy, it also functions as ...
Delivered by Tue 23 Jun
Adafruit Sensirion SHT41 Temperature & Humidity Sensor
SKU: AF-5776 | Brand: Adafruit
The Adafruit Sensirion SHT41 is a high-accuracy temperature and humidity sensor with a true I2C interface, part of Sensirion's fourth-generation SHT4x family. Compared to the SHT40, the SHT41 offers significantly bett...
Delivered by Mon 13 Jul
Adafruit Sensirion SHT40 Temperature Humidity Sensor - STEMMA QT / Qwiic
SKU: AF-4885 | Brand: Adafruit
The Adafruit Sensirion SHT40 is a high-accuracy temperature and humidity sensor featuring a true I2C interface for simple two-wire communication. Part of the fourth generation of Sensirion's acclaimed SHT sensor famil...
Delivered by Mon 13 Jul
Adafruit PT100 RTD Temperature Sensor Amplifier - MAX31865
SKU: AF-3328 | Brand: Adafruit
The Adafruit PT100 RTD Temperature Sensor Amplifier is a breakout board for the MAX31865 precision RTD-to-digital converter. It reads 2-, 3-, or 4-wire PT100 platinum resistance temperature detectors over SPI, deliver...
Delivered by Tue 23 Jun
DHT20 - AHT20 Pin Module - I2C Temperature and Humidity Sensor
SKU: AF-5183 | Brand: Adafruit
The DHT20 is a nice but inexpensive temperature and humidity sensor from the same folks that brought us the DHT22.This little sensor looks an awful lot like the popular DHT11/DHT22 temperature and humidity s...
Delivered by Mon 13 Jul
Adafruit SCD-41 - True CO2 Temperature and Humidity Sensor
SKU: AF-5190 | Brand: Adafruit
The Adafruit SCD-41 is a photoacoustic true CO2 sensor that directly measures carbon dioxide concentration in ambient air with a wide measurement range of 400 to 5,000 ppm. It also includes integrated temperature and ...
Delivered by Tue 23 Jun
Fermion: SHTC3 Temperature & Humidity Sensor (Breakout)
SKU: DF-SEN0414 | Brand: DFRobot
The SHTC3 digital humidity sensor from Sensirion builds on the success of the proven SHTC1 sensor and offers consistent high accuracy within the measuring range. The sensor covers a humidity measurement range of 0 to ...
Delivered by Tue 23 Jun
Adafruit SCD-30 - NDIR CO2 Temperature and Humidity Sensor - STEMMA QT / Qwiic
SKU: AF-4867 | Brand: Adafruit
The Adafruit SCD-30 is a true NDIR (Non-Dispersive Infrared) CO2 sensor that directly measures carbon dioxide concentration in ambient air, rather than estimating it from volatile organic compounds. With an integrated...
Delivered by Tue 23 Jun
Fermion: MEMS Methane CH4 Gas Detection Sensor (Breakout, 1-10000ppm)
SKU: DF-SEN0565 | Brand: DFRobot
Fermion: MEMS Methane CH4 Gas Detection Sensor employs state-of-the-art micro-electromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (<20mA), minim...
Delivered by Tue 23 Jun
Fermion: AHT20 Temperature and Humidity Sensor (Breakout)
SKU: DF-SEN0527 | Brand: DFRobot
The Fermion AHT20 is a high-precision, low-cost temperature and humidity sensor breakout from DFRobot. Built around an improved MEMS semiconductor capacitive humidity sensor element, it communicates over a standard I2...
Delivered by Tue 23 Jun
Octopus Temperature And Humidity Sensor
SKU: EF-EF04019 | Brand: ElecFreaks
Temperature and humidity sensor is a module based on DHT11 digital temperature and humidity sensing element. Simple design, and sensitive to the ambient temperature and humidity changes, it can be used for temperature...
Delivered by Thu 2 Jul
Adafruit MS8607 Pressure Humidity Temperature PHT Sensor - STEMMA QT / Qwiic
SKU: AF-4716 | Brand: Adafruit
The Adafruit MS8607 is a factory-calibrated 3-in-1 sensor that measures barometric pressure, relative humidity, and temperature over I2C. Made by TE Connectivity, this PHT (Pressure, Humidity, Temperature) sensor is a...
Delivered by Tue 23 Jun
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 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