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.
SparkFun MicroMod Environmental Function Board
SKU: SF-SEN-18632 | Brand: SparkFun
The SparkFun MicroMod Environmental Function Board adds additional sensing options to the MicroMod Processor Boards. This Function Board includes three sensors to monitor air quality (SGP40), humidity & temperature (S...
Delivered by Thu 2 Jul
Octopus BME280 Pressure Sensor
SKU: EF-EF04087 | Brand: ElecFreaks
Octopus BME280 Pressure Sensor is an electric brick, which has integrated temperature sensor, air pressure sensor and humidity sensor onboard. We can use it to measure humidity, temperature and air pressure, or eve...
Delivered by Thu 2 Jul
Adafruit TMP235 - Plug-and-Play STEMMA Analog Temperature Sensor - TMP235
SKU: AF-4686 | Brand: Adafruit
The Adafruit TMP235 is a plug-and-play analog temperature sensor with a 3-pin JST PH (STEMMA) connector. Unlike I2C sensors, this one outputs a simple analog voltage proportional to temperature — just connect it to an...
Delivered by Mon 13 Jul
SparkFun Qwiic Thermocouple Amplifier - MCP9600 (PCC Connector)
SKU: SF-SEN-16294 | 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 2 Jul
SparkFun Humidity Sensor Breakout - SHTC3 (Qwiic)
SKU: SF-SEN-16467 | Brand: SparkFun
Looking to keep a log of the climate in your greenhouse, create a humidor control system or want to track temperature and humidity data for a weather station project? The SparkFun SHTC3 Humidity Sensor may be the perf...
Delivered by Thu 2 Jul
M5StickC Yun Hat(SH20,BMP280,SK6812)
SKU: M5-U070 | Brand: Little Bird
The M5StickC Yun HAT is a cloud-shaped multi-sensor environmental monitoring accessory designed to mount on the M5StickC via the top socket. It integrates a temperature and humidity sensor (SHT20), barometric pressure...
Delivered by Tue 23 Jun
TS01 Non-contact IR Temperature Sensor 0-3V
SKU: DF-SEN0256 | Brand: DFRobot
The DFRobot TS01 is a non-contact infrared temperature sensor that measures surface temperature via infrared radiation. The all-metal IP65 housing provides protection against impact, water, and dust, making it suitabl...
Delivered by Thu 2 Jul
TS01 Non-contact IR Temperature Sensor 4-20mA
SKU: DF-SEN0264 | Brand: DFRobot
DFRobot TS01 IR temperature sensor is a non-contact thermal sensor, which can be used to measure the infrared intensity of the object so as to calculate its surface temperature without touching. The built-in temperatu...
Delivered by Thu 2 Jul
Thermocouple Type-K Glass Braid Insulated - 5m
SKU: AF-3895 | Brand: Adafruit
Thermocouples are best used for measuring temperatures that can go above 100°C. This is a bare-wire bead-probe which can measure air or surface temperatures. Most inexpensive thermocouples have a vinyl covering whi...
Delivered by Mon 13 Jul
High Temp Waterproof DS18B20 Digital Temperature Sensor - 3m long
SKU: AF-3846 | Brand: Adafruit
This is a pre-wired and waterproofed version of the DS18B20 sensor made with a PTFE wire cable. Handy for when you need to measure something far away, or in wet conditions. This sensor is a little more expensive th...
Delivered by Mon 13 Jul
ADT7410 High Accuracy I2C Temperature Sensor Breakout Board
SKU: AF-4089 | Brand: Adafruit
Get precise temperature readings with the ADT7410 High Accuracy I2C Temperature Sensor from Analog Devices. Featuring 16-bit resolution (0.0078°C) and ±0.5°C accuracy, this breakout delivers reliable measurements over...
Delivered by Mon 13 Jul
AM2320 Digital Temperature and Humidity Sensor
SKU: AF-3721 | Brand: Adafruit
The AM2320 is a low-cost digital temperature and humidity sensor with an I2C interface — a simpler alternative to the classic DHT11/DHT22 sensors that require timing-critical bit-bang protocols. With standard I2C comm...
Delivered by Mon 13 Jul
Thermistor NTC 5MMDIA 47KR
SKU: TB-RN3442 | Brand: Little Bird
A 47 kΩ NTC (Negative Temperature Coefficient) thermistor in a compact 5 mm radial package. NTC thermistors decrease in resistance as temperature rises, making them ideal for temperature sensing, thermal protection, a...
Delivered by Tue 23 Jun
Thermistor NTC 5MMDIA 1KR
SKU: TB-RN3436 | Brand: Little Bird
A 1 kΩ NTC (negative temperature coefficient) thermistor in a 5 mm radial dipped-epoxy package. The resistance decreases as temperature increases, making it suitable for temperature sensing, thermal compensation, and ...
Delivered by Tue 23 Jun
Thermocouple Amplifier with 1-Wire Breakout Board - MAX31850K
SKU: AF-1727 | Brand: Adafruit
The MAX31850K breakout board is a 1-Wire thermocouple amplifier with cold-junction compensation for K-type thermocouples. Unlike SPI-based amplifiers, the 1-Wire interface allows any number of thermocouple breakouts t...
Delivered by Mon 13 Jul
Air Quality Monitor (PM 2.5, Formaldehyde, Temperature Humidity Sensor)
SKU: DF-SEN0233 | Brand: DFRobot
A multifunction air quality monitor that measures particulate matter (PM2.5), formaldehyde concentration, temperature, and humidity. It uses laser scattering to detect suspended particles in the air, an electrochemica...
Delivered by Tue 23 Jun
SparkFun Infrared Temperature Breakout - TMP006
SKU: SF-SEN-11859 | Brand: SparkFun
This is not your typical temperature sensor. The TMP006 Breakout can measure the temperature of an object without making contact with it. By using a thermopile to detect and absorb the infrared energy an object is emi...
Delivered by Tue 23 Jun
Thermocouple Type-K - Glass Braid Insulated (Bare Wire)
SKU: SF-SEN-00251 | Brand: SparkFun
36" high temperature Type-K Thermocouple with glass braid insulation.
Delivered by Tue 23 Jun
Adafruit Si7021 Temperature Humidity Sensor Breakout Board
SKU: AF-3251 | Brand: Adafruit
The Adafruit Si7021 is a temperature and humidity sensor from Silicon Labs with a PTFE filter for protection against dust and contaminants. It provides ±3% relative humidity accuracy over 0–80% RH and ±0.4 °C temperat...
Delivered by Mon 13 Jul
High Temp Waterproof DS18B20 Digital temperature sensor + extras
SKU: AF-642 | Brand: Adafruit
This is a pre-wired and waterproofed version of the DS18B20 sensor made with a PTFE wire cable. Handy for when you need to measure something far away, or in wet conditions. This sensor is a little more expensive th...
Delivered by Mon 13 Jul