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.
Adafruit MLX90640 24x32 IR Thermal Camera Breakout - 110 Degree FoV
SKU: AF-4469 | 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
SparkFun Qwiic Thermocouple Amplifier - MCP9600 (Screw Terminals)
SKU: SF-SEN-16295 | Brand: SparkFun
The MCP9600 Breakout is a high accuracy Thermocouple Amplifier equipped with an I2C interface, accessed over our Qwiic system. Inside the chip are two temperature sensors, one for the thermocouple itself (the hot junc...
Delivered by Tue 23 Jun
Thermistor Module
SKU: LB-24-THERMISTOR | Brand: Little Bird
A thermistor changes its resistance with temperature. Find our tutorial here A thermistor is a type of variable resistor whose resistance changes with temperature. Let's take a closer look at the thermistor module....
Delivered by Tue 23 Jun
Adafruit LPS35HW Water Resistant Pressure Sensor
SKU: AF-4258 | Brand: Adafruit
The Adafruit LPS35HW is a water-resistant barometric pressure and temperature sensor from ST. The sensing element is housed in a ceramic package with waterproof gel protection, making it safe to use in damp and humid ...
Delivered by Tue 23 Jun
Adafruit BMP280 I2C or SPI Barometric Pressure Altitude Sensor
SKU: AF-2651 | Brand: Adafruit
The BMP280 from Bosch is a precision barometric pressure and temperature sensor, and the next-generation upgrade to the BMP085/BMP180/BMP183 family. With support for both I2C and SPI communication, it offers flexibili...
Delivered by Tue 23 Jun
SparkFun Humidity and Temperature Sensor Breakout - Si7021
SKU: SF-SEN-13763 | Brand: SparkFun
A low-cost, highly accurate digital humidity and temperature sensor breakout board based on the Silicon Labs Si7021. Communicates over I²C with just two data lines, providing relative humidity and precise temperature ...
Delivered by Tue 23 Jun
Adafruit BMP585 Ported I2C / SPI Temperature and Pressure Sensor
SKU: AF-6413 | Brand: Adafruit
The BMP585 from Bosch is a ported barometric pressure and temperature sensor featuring a tube attachment point for differential or remote pressure measurements. It delivers exceptional precision with altitude noise as...
Delivered by Mon 13 Jul
Gravity: I2C Oxygen Sensor
SKU: DF-SEN0322 | Brand: DFRobot
The Gravity: I2C Oxygen Sensor is based on electrochemical principles and it can measure the ambient O2 concentration accurately and conveniently. With high anti-interference ability, high stablility and high sensitiv...
Delivered by Thu 2 Jul
TC01 Non-contact 16x4 Pixel Infrared Temperature Sensor
SKU: DF-SEN0254 | Brand: DFRobot
The TC01 is a non-contact infrared temperature sensor with a 16×4 pixel array, producing a 64-pixel thermal image. Housed in a waterproof, dustproof metal enclosure (IP65), it communicates via RS485 using the standard...
Delivered by Thu 2 Jul
AM2320 Digital Temperature and Humidity Sensor
SKU: PI-COM1700 | Brand: Pimoroni
The AM2320 is a digital temperature and humidity sensor with an I2C interface. Its straightforward I2C communication makes it easy to connect to any Raspberry Pi or Arduino, and it works alongside other I2C sensors an...
Delivered by Tue 23 Jun
Adafruit SGP30 Air Quality Sensor Breakout - VOC and eCO2
SKU: AF-3709 | Brand: Adafruit
The Adafruit SGP30 is a multi-pixel MOX (metal-oxide) gas sensor from Sensirion that measures Total Volatile Organic Compounds (TVOC) and equivalent CO2 (eCO2) for indoor air quality monitoring. With fully calibrated ...
Delivered by Mon 13 Jul
SparkFun Thermocouple Breakout - MAX31855K
SKU: SF-SEN-13266 | Brand: SparkFun
The SparkFun MAX31855K Thermocouple Breakout is a simple 14-bit resolution, SPI-compatible, serial interface thermocouple digitizer that makes reading a wide range of temperatures possible. A thermocouple works by ...
Delivered by Tue 23 Jun
Adafruit SPA06-003 Temperature + Pressure Sensor
SKU: AF-6420 | Brand: Adafruit
The Adafruit SPA06-003 is an affordable barometric pressure and temperature sensor from Goertek, ideal for basic environmental sensing and DIY quadcopter builds. It measures 300–1100 hPa (approximately −500 to +9000 m...
Delivered by Mon 13 Jul
Adafruit SEN6x Breakout for Sensirion SEN66 - STEMMA QT / Qwiic
SKU: AF-6331 | Brand: Adafruit
The Adafruit SEN6x Breakout lets you quickly connect a Sensirion SEN66 (or other SEN6x) environmental sensor node to any microcontroller or single-board computer via STEMMA QT / Qwiic — no soldering or breadboarding r...
Delivered by Mon 13 Jul
Gravity: BME688 AI Environmental Sensor (VOC, Temperature, Humidity, Pressure)
SKU: DF-SEN0617 | Brand: DFRobot
The Gravity BME688 is an advanced MEMS environmental sensor from Bosch that measures temperature, humidity, barometric pressure, and volatile organic compounds (VOC) in a single compact module. It supports both I²C an...
Delivered by Thu 2 Jul
ELECFREAKS PlanetX CO2 Sensor
SKU: EF-EF05030 | Brand: ElecFreaks
The gas sensor is an essential sensor for environmental detection. The ELECFREAKS PlanetX CO2 Sensor is designed to detect the concentration of CO2 with high sensitivity. The higher the concentration of CO2 is, the sm...
Delivered by Thu 2 Jul
Adafruit Chainable DS18B20 Extender Breakout - STEMMA JST PH 2mm
SKU: AF-5971 | Brand: Adafruit
The Adafruit Chainable DS18B20 Extender Breakout makes it easy to connect multiple DS18B20 temperature sensors in a daisy chain using standard STEMMA JST PH 2mm cables. Each breakout includes screw terminal blocks for...
Delivered by Mon 13 Jul
Adafruit SEN54 or SEN55 Adapter Breakout - STEMMA QT / Qwiic
SKU: AF-5964 | Brand: Adafruit
The Adafruit SEN54/SEN55 Adapter Breakout lets you quickly connect a Sensirion SEN5x environmental sensor node to any microcontroller or single-board computer via STEMMA QT / Qwiic — no soldering or breadboarding requ...
Delivered by Mon 13 Jul
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...
Delivered by Mon 13 Jul
SparkFun Temperature Sensor - STTS22H (Qwiic)
SKU: SF-SEN-21262 | Brand: SparkFun
The SparkFun STTS22H is a Qwiic-enabled temperature sensor breakout based on ST Microelectronics' ultralow-power, high-accuracy digital temperature sensor. Factory calibrated to ±0.5°C accuracy without any application...
Delivered by Thu 2 Jul