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.
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 Thu 27 Aug
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 Mon 7 Sep
Thermocouple Type-K Glass Braid Insulated Stainless Steel Tip
SKU: AF-3245 | Brand: Adafruit
Thermocouples are best used for measuring temperatures that can go above 100°C. This is a bare wires stainless-steel tip probe which can measure air or surface temperatures. Most inexpensive thermocouples have a vi...
Delivered by Fri 18 Sep
Adafruit Sensiron SHT31-D Temperature Humidity Sensor Breakout
SKU: AF-2857 | Brand: Adafruit
The Adafruit Sensirion SHT31-D is a high-accuracy temperature and humidity sensor with a true I2C interface and PTFE filter for protection against dust and contaminants. Part of Sensirion's third-generation SHT sensor...
Delivered by Thu 27 Aug
Fermion: BME688 AI Environmental Sensor (VOC, Temperature, Humidity, Pressure)
SKU: DF-SEN0629 | Brand: DFRobot
The BME688 AI Environmental Sensor is a highly advanced MEMS sensor that combines temperature, humidity, barometric pressure, and VOC detection in a single, compact package. Featuring ±0.5°C temperature accurac...
Delivered by Mon 7 Sep
SparkFun Arduino IoT Weather Station
SKU: SF-KIT-22636 | Brand: SparkFun
Building a weather station can be rewarding whether you're an agriculturalist, professional meteorologist, or weather hobbyist. Create your own weather station effortlessly using SparkFun's Arduino IoT Weather Stat...
Delivered by Mon 7 Sep
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...
Delivered by Thu 10 Sep
Fermion: Multifunctional Environmental Sensor (Breakout)
SKU: DF-SEN0500 | Brand: DFRobot
This compact multifunctional environmental sensor combines four professional sensor chips into a single breakout board: SHTC3 (temperature and humidity), BMP280 (barometric pressure), VEML7700 (ambient light), and ML8...
Delivered by Mon 7 Sep
SparkFun Atmospheric Sensor Breakout - BME280 (Qwiic)
SKU: SF-SEN-15440 | Brand: SparkFun
The BME280 Atmospheric Sensor Breakout measures barometric pressure, relative humidity, and temperature from a single compact board. With both Qwiic (I2C) and 0.1″ header connections, it integrates easily into Arduino...
Delivered by Thu 27 Aug
Thermocouple Type-K - Stainless Steel
SKU: SF-SEN-13715 | Brand: SparkFun
This is a stainless steel, Type-K Thermocouple probe. A thermocouple works by taking two wires made of dissimilar metals, connecting them at the two ends, and making a temperature gradient between one end and the othe...
Delivered by Mon 7 Sep
Spare part (outdoor unit) for Professional Wireless Weather Station
SKU: LB-LS7682 | Brand: Little Bird
This spare outdoor unit set is designed for use with professional wireless weather stations, providing the essential sensors needed to accurately monitor local weather conditions. Ideal as a replacement set or for cus...
Delivered by Thu 27 Aug
SparkFun Environmental Sensor - BME688 (Qwiic)
SKU: SF-SEN-19096 | Brand: SparkFun
The SparkFun BME688 Environmental Sensor is a breakout that combines a gas scanning sensor with temperature, humidity, and barometric pressure sensing for a complete environmental sensor in a single package. The ga...
Delivered by Thu 27 Aug
Gravity: Multifunctional Environmental Sensor
SKU: DF-SEN0501 | Brand: DFRobot
This multifunctional environmental sensor comprises SHTC3 temperature & humidity sensor, BMP280 barometric pressure sensor, VEML7700 ambient light sensor, and ML8511 UV sensor into one and offers 5 kinds of environmen...
Delivered by Mon 7 Sep
Waterproof SMD DS18B20 Digital Temperature Sensor
SKU: DF-SEN0511 | Brand: DFRobot
This waterproof DS18B20 digital temperature sensor delivers accurate readings over a simple 1-Wire interface, requiring just a single data pin on your microcontroller. The sealed probe and silicone lead wire make it i...
Delivered by Mon 7 Sep
RS485 Temperature Humidity Sensor
SKU: DF-SEN0438 | Brand: DFRobot
This industrial-grade RS485 temperature and humidity sensor features a high-precision digital transducer in a rugged aluminium alloy housing. With a wide measurement range and Modbus RTU communication, it's designed f...
Delivered by Mon 7 Sep
Adafruit TMP117 ±0.1°C High Accuracy I2C Temperature Sensor - STEMMA QT / Qwiic
SKU: AF-4821 | Brand: Adafruit
The Adafruit TMP117 is a high-accuracy I2C temperature sensor from Texas Instruments, offering 16-bit resolution (0.0078°C) and up to ±0.1°C accuracy across the most common temperature ranges. It's ideal for applicati...
Delivered by Fri 18 Sep
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 Thu 27 Aug
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 Thu 27 Aug
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 Thu 27 Aug
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 Thu 27 Aug