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.
12V Precision Temperature Controller with 3 digit display 10Amp Relay
SKU: LB-LR0214-16 | Brand: Little Bird
This compact 12V temperature controller features a 3-digit LED display for setting and monitoring temperature, along with a built-in 10A relay for switching heating or cooling loads. It uses an NTC thermistor probe (i...
Delivered by Tue 23 Jun
DHT22 module with cable
SKU: LB-LR0102 | Brand: Little Bird
The DHT22 (also known in Australia by RHT03) is a low cost humidity and temperature sensor with a single wire digital interface. The sensor comes pre-calibrated and in a breadboard compatible module form so you don...
Delivered by Tue 23 Jun
50cm NTC Thermistor Temperature Sensor 10K 3470
SKU: LB-LS2696 | Brand: Little Bird
A waterproof NTC thermistor temperature sensor with a 100cm (1 metre) cable and stainless steel probe. The 10KΩ resistance at 25°C and standard B-constant make it easy to read with an Arduino or other microcontroller ...
Delivered by Tue 23 Jun
DHT11 Temperature And Relative Humidity Sensor
SKU: LB-LR0298 | Brand: Little Bird
This stand alone DHT11 can read the temperature and humidity and send the information over a one wire, simplex serial bus. Arduino.cc provides a DHT11 library to aid in communicating with this module.**DHT11 Temper...
Delivered by Tue 23 Jun
LM35DZ
SKU: LB-LR0285 | Brand: Little Bird
Feature: 0.5°C Ensured Accuracy (+25°C) Suitable for Remote Applications Low Cost Due to Wafer-Level Trimming Operates from 4 to 30 V Less than 60-μA Current Drain Low Self-Heating, 0.08°C in Still Air Low Impedance O...
Delivered by Tue 23 Jun
Platinum RTD Sensor - PT1000 - 3 Wire 1 meter long
SKU: AF-3984 | Brand: Adafruit
For precision temperature sensing, nothing beats a Platinum RTD. Resistance temperature detectors (RTDs) are temperature sensors that contain a resistor that changes resistance value as its temperature changes, bas...
Delivered by Tue 23 Jun
10K Precision Epoxy Thermistor [3950 NTC]
SKU: AF-372 | Brand: Adafruit
An epoxy-coated precision NTC thermistor with a 10kΩ resistance at 25°C and ±1% accuracy. The resistance decreases as temperature rises and increases as it cools, making it straightforward to measure temperature with ...
Delivered by Tue 23 Jun
Platinum RTD Sensor - PT100 - 3 Wire 1 meter long
SKU: AF-3290 | Brand: Adafruit
A platinum resistance temperature detector (RTD) with a 100 Ω resistance at 0°C, offering superior accuracy and long-term stability compared to thermocouples and thermistors. PT100 sensors are widely used in laborator...
Delivered by Tue 23 Jun
Thermistor NTC 5MMDIA 100KR
SKU: TB-RN3444 | Brand: Little Bird
A 100 kΩ NTC (Negative Temperature Coefficient) thermistor in a radial dipped-epoxy package. These ceramic sensors change resistance rapidly with temperature, making them ideal for temperature measurement, compensatio...
Delivered by Tue 23 Jun
K Type Thermocouple
SKU: DF-SEN0139 | Brand: DFRobot
This is a K type Thermocouple (Temperature sensor) which is very popular for 3D printers such as Ultimaker and Makerbot. You can hardly damage them or mishandle them. You just need an additional IC (Like an AD595) ...
Delivered by Thu 2 Jul
Panel Temperature Meter / -30 to +70 °C
SKU: AF-576 | Brand: Adafruit
Put a temperature meter anywhere with this very handy display. This panel meter displays the temperature of the attached waterproof 1% thermistor in °C. It does require a DC voltage to run, at 4.5-30VDC. It has revers...
Delivered by Mon 13 Jul
Hydrogen Sulfide Gas Sensor - MQ-136
SKU: SF-SEN-17052 | Brand: SparkFun
The MQ-136 is a Hydrogen Sulfide detection sensor with a sensing range of 1 - 200ppm. The sensing element is SnO2, which has lower conductivity in clean air. When H₂S gas exists, the sensor’s conductivity gets higher ...
Delivered by Thu 2 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
Dust Sensor Adapter
SKU: DF-DFR0280 | Brand: DFRobot
Sharp GP2Y1010AU Dust Sensor requires some wiring on the breadboard and a list of components to make it Arduino compatible. This has turned down several people due to the thin wires of the sharp sensor making it ...
Delivered by Tue 23 Jun
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 Mon 13 Jul
Wind Vane
SKU: SF-SEN-28868 | Brand: SparkFun
This wind vane is used to indicate the direction from which the wind is blowing. Inside the vane are eight switches, each paired with a unique resistor, allowing a microcontroller to read direction based on the vane’s...
Delivered by Thu 2 Jul
Gravity HF Gas Sensor (Calibrated) - I2C/UART/Analogue
SKU: DF-SEN0475 | Brand: DFRobot
Measure hydrogen fluoride concentration with a factory-calibrated electrochemical probe that supports analogue, I2C and UART output modes. It is designed for quickly building an HF concentration detector for industria...
Delivered by Thu 2 Jul
Gravity Calibrated NH3 Ammonia Sensor - I2C/UART
SKU: DF-SEN0469 | Brand: DFRobot
This calibrated gas sensor measures ammonia concentration in the environment using an electrochemical probe. It supports three output modes — analogue, I2C and UART — so it can slot into a wide range of microcontrolle...
Delivered by Thu 2 Jul
DHT11 Temperature and Humidity Sensor Module
SKU: LB-DHT11-SENSOR | Brand: Little Bird
The Little Bird DHT11 Temperature and Humidity Sensor Module provides calibrated digital temperature and humidity readings from a single sensor. Designed and made in Sydney, Australia, it requires no extra components ...
Out of stock