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.
Fermion: MCP9808 High Accuracy I2C Temperature Sensor
SKU: DF-SEN0435 | Brand: DFRobot
Compared to DS18B20, LM35, and other common temperature sensors, the MCP9808 is one of the more accurate temperature sensing options, with a typical accuracy of ±0.25°C and maximum accuracy of ±0.5°C over the sensor's...
Delivered by Wed 4 Nov
Fermion: STS35 High Accuracy Digital Temperature Sensor (Breakout)
SKU: DF-SEN0434 | Brand: DFRobot
The STS35 temperature sensor from Sensirion gives a fully calibrated, linearized, and supply-voltage-compensated digital output and has an outstanding accuracy of up to +/–0.1°C. It provides an operating temperat...
Delivered by Wed 4 Nov
Fermion: SHT31-F Digital Temperature & Humidity Sensor (Breakout)
SKU: DF-SEN0332 | Brand: DFRobot
This Digital Temperature & Humidity Sensor Breakout Board is based upon the Sensirion SHT31-F sensor IC. Thanks to Sensirion’s CMOSens® technology, highly integrated capacitive humidity sensing components and band-gap...
Delivered by Wed 4 Nov
SparkFun Digital Temperature Sensor Breakout - AS6212 (Qwiic)
SKU: SF-SEN-18521 | Brand: SparkFun
The SparkFun AS6212 Digital Temperature Sensor Breakout delivers high-accuracy temperature measurements with excellent low power consumption. Using the AS6212 sensor from ams AG, it achieves ±0.2 °C accuracy across a ...
Delivered by Wed 4 Nov
MTH02 Digital Temperature Humidity Sensor
SKU: EC-SEM02001S | Brand: Elecrow
Japan's Hokuriku resistive humidity sensor production as a Temperature & Humidity sensor.Application Idea Test and testing equipment; Automatic control; Weather station; Humidity regulator; Features Measure the relati...
Delivered by Fri 13 Nov
BME680 Environmental Sensor Module
SKU: DF-SEN0375 | Brand: DFRobot
BME680 is a 4-in-1 multi-functional MEMS environmental sensor which integrates VOC (Volatile Organic Compounds) sensor, temperature sensor, humidity sensor and barometer. It is designed for air quality monitor, and du...
Delivered by Mon 26 Oct
Octopus LM35 Analog Temperature Brick
SKU: EF-EF04070 | Brand: ElecFreaks
The Octopus LM35 Analog Temperature Brick is a plug-and-play temperature sensor module based on the TI LM35D precision centigrade temperature sensor. The LM35 outputs a voltage linearly proportional to temperature (10...
Delivered by Mon 9 Nov
SparkFun Digital Temperature Sensor - TMP102 (Qwiic)
SKU: SF-SEN-16304 | Brand: SparkFun
The SparkFun TMP102 Qwiic breakout provides accurate digital temperature readings over I2C with minimal wiring. Based on the Texas Instruments TMP102, the sensor delivers 0.0625 °C resolution and ±0.5 °C accuracy, com...
Delivered by Wed 4 Nov
Octopus DS18B20 Digital Temperature Brick
SKU: EF-EF04042 | Brand: ElecFreaks
The Octopus DS18B20 Digital Temperature Brick uses the DS18B20 1-Wire digital temperature sensor from Maxim IC to deliver accurate readings from −55 °C to +125 °C with ±0.5 °C accuracy. Each sensor has a unique 64-bit...
Delivered by Mon 9 Nov
Octopus Waterproof DS18B20 Temperature Sensor
SKU: EF-EF04095 | Brand: ElecFreaks
This sensor is a temperature detector used to test the liquid temperature based on 18b20. Characteristics Standard 3-pin GVS ports is easy to plug. 3V working voltage can drive the micro:bit. Water-proof design ma...
Delivered by Mon 26 Oct
Adafruit PCT2075 Temperature Sensor - STEMMA QT / Qwiic
SKU: AF-4369 | Brand: Adafruit
The Adafruit PCT2075 Temperature Sensor is a precise, affordable I2C temperature sensor and a drop-in replacement for the classic LM75. With an 11-bit ADC (compared to the LM75's 9-bit), it delivers finer temperature ...
Delivered by Tue 17 Nov
Adafruit HTU21D-F Temperature Humidity Sensor Breakout Board - Fully Assembled
SKU: AF-3515 | Brand: Adafruit
The Adafruit HTU21D-F is an accurate I²C digital temperature and humidity sensor breakout board. With typical humidity accuracy of ±2% (optimised for 5–95% RH) and temperature accuracy of ±1°C across -30 to 90°C, it's...
Delivered by Mon 26 Oct
MPL115A2 - I2C Barometric Pressure/Temperature Sensor
SKU: AF-992 | Brand: Adafruit
This pressure sensor from Freescale is a great low-cost sensing solution for measuring barometric pressure. At 1.5 hPa resolution, it's not as precise as our favorite pressure sensor, the BMx280 series, which has u...
Delivered by Tue 17 Nov
CO₂ Humidity and Temperature Sensor - SCD30
SKU: SF-SEN-15112 | Brand: SparkFun
The SCD30 from Sensirion is a high quality Nondispersive Infrared (NDIR) based CO₂ sensor capable of detecting 400 to 10000ppm with an accuracy of ±(30ppm+3%). In order to improve accuracy the SCD30 has temperature an...
Delivered by Wed 4 Nov
Littlebits Temperature
SKU: LI-650-0022 | Brand: Little Bird
The littleBits Temperature Sensor responds to the ambient temperature surrounding its probe, sending a stronger signal as the temperature increases. It's a simple way to add temperature sensing to your littleBits circ...
Delivered by Mon 26 Oct
One-Wire Ambient Temperature Sensor - MAX31820
SKU: SF-SEN-14049 | Brand: SparkFun
The MAX31820 ambient temperature sensor provides 9-bit to 12-bit Celsius temperature measurements with ±0.5°C accuracy over a +10°C to +45°C temperature range. Over its entire -55°C to +125°C operating range, the devi...
Delivered by Wed 4 Nov
Digital Temperature humidity sensor (With Stainless Steel Probe)
SKU: DF-SEN0148 | Brand: DFRobot
This is an anti-rust, robust and precise SHT10 sensor, which can master enterprise-class and industrial-level applications. It can be applied in various fields: telepoint base stations, electronic control cabinet, pr...
Delivered by Wed 4 Nov
Light and temperature data-logger pack
SKU: AF-249 | Brand: Adafruit
This pack includes everything you need to build a light and temperature data logger with an Arduino. The Adafruit data logger shield records sensor readings to an SD card with real-time timestamps, while the included ...
Delivered by Tue 17 Nov
SparkFun Digital Temperature Sensor Breakout - TMP102
SKU: SF-SEN-13314 | Brand: SparkFun
The TMP102 is an easy-to-use digital temperature sensor from Texas Instruments. The TMP102 breakout allows you to easily incorporate the digital temperature sensor into your project. While some temperature sensors use...
Delivered by Wed 4 Nov
Adafruit HTU21D-F Temperature Humidity Sensor Breakout Board
SKU: AF-1899 | Brand: Adafruit
The Adafruit HTU21D-F is an accurate I²C digital temperature and humidity sensor breakout board. With typical humidity accuracy of ±2% (optimised for 5–95% RH) and temperature accuracy of ±1°C across -30 to 90°C, it's...
Delivered by Tue 17 Nov