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.
Grove - Alcohol Sensor
SKU: SS-101020044 | Brand: Seeed Studio
Alcohol sensor is semiconductor sensor for alcohol detection. It has good sensitivity and fast response to alcohol, suitable for portable alcohol detector. Specifications Power requirements: 5 VDC @ ~120 ...
Out of stock
HIH-4030 Humidity Sensor Carrier
SKU: PL-1643 | Brand: Pololu
Sparkfun’s carrier board for the HIH-4030 relative humidity (%RH) sensor from Honeywell outputs an analog voltage that varies nearly linearly with humidity. It operates at 5 V while drawing only 200 μA and ...
Out of stock
Methane Gas Sensor MQ-4
SKU: PL-1633 | Brand: Pololu
This semiconductor gas sensor detects the presence of methane (CNG) gas at concentrations from 300 ppm to 10,000 ppm, a range suitable for detecting gas leaks. The sensor’s simple analog voltage interface re...
Out of stock
SparkFun Micro Temperature Sensor - STTS22H (Qwiic)
SKU: SF-SEN-21273 | Brand: SparkFun
The SparkFun STTS22H Micro Temperature Sensor is a Qwiic-enabled breakout board based on the ultralow-power, high-accuracy, digital temperature sensor STTS22H from ST Microelectronics and housed in our Qwiic Micro for...
Out of stock
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...
Out of stock
Adafruit ESP32-S2 Feather with BME280 Sensor - STEMMA QT
SKU: AF-5303 | Brand: Adafruit
The Adafruit ESP32-S2 Feather with BME280 is identical to the standard ESP32-S2 Feather but with an on-board BME280 temperature, humidity, and barometric pressure sensor at I2C address 0x77. This makes it an instant I...
Out of stock
SparkFun Air Velocity Sensor Breakout - FS3000-1005 (Qwiic)
SKU: SF-SEN-18377 | Brand: SparkFun
Need to keep track of the airflow in your data center or around your servers? How about making sure your HVAC and air control systems are functioning at full capacity? Well, the new SparkFun FS3000-1005 Air Velocity S...
Out of stock
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...
Out of stock
AMG8832 Infrared Array Sensor
SKU: ET-2475261 | Brand: Little Bird
The Panasonic AMG8832 Grid-EYE is an infrared array sensor evaluation board featuring a 64-pixel (8×8) thermal imaging sensor in an all-in-one SMD package. It detects absolute surface temperatures from -20°C to +100°C...
Out of stock
Temperature Sensor - TMP36
SKU: PI-COM1701 | Brand: Pimoroni
The TMP36 is a low voltage, precision centigrade temperature sensor. It provides a voltage output that is linearly proportional to the Celsius temperature. It also doesn’t require any external calibration to provide t...
Out of stock
STC31 CO2 Sensor (Qwiic)
SKU: SF-SEN-29260 | Brand: SparkFun
Measure high concentrations of carbon dioxide with a Qwiic breakout built around Sensirion’s STC31 sensor. It is designed for CO2 measurements up to 100% volume, using a thermal conductivity measurement principle and ...
Out of stock
PAV3015 Air Velocity Sensor (0–15 m/s, I2C)
SKU: DF-SEN0639 | Brand: DFRobot
This compact digital anemometer measures air velocity for embedded electronics and intelligent control systems. It is built around the Posifa PAV3015D thermal sensing element, using temperature differences across a th...
Out of stock
