Sensors & Input
Explore our extensive range of sensor modules and input devices, stocked locally for fast delivery across Australia. Whether you're building a weather station, robot, or smart home project, you'll find temperature, humidity, gas, motion, distance, pressure, and biometric sensors to suit any application.
Perfect for Arduino and Raspberry Pi makers, STEM students, and professional developers alike. From IMUs and GPS modules to NFC readers and data loggers, everything you need to add real-world sensing to your next project is right here.
Water Sensor for Arduino
SKU: LB-LR0043 | Brand: Little Bird
A simple analogue water sensor that detects the presence and relative level of water on its surface. The sensor outputs a higher analogue value as more water covers the sensing traces, making it useful as a basic wate...
Delivered by Wed 10 Jun
Gravity: Analog Waterproof Capacitive Soil Moisture Sensor
SKU: DF-SEN0308 | Brand: DFRobot
The Gravity Analogue Waterproof Capacitive Soil Moisture Sensor from DFRobot measures soil moisture using capacitive sensing rather than resistive probes, offering significantly better corrosion resistance and longer ...
Delivered by Wed 10 Jun
Gravity: Analog TDS Sensor/Meter for Arduino
SKU: DF-SEN0244 | Brand: DFRobot
The Gravity Analog TDS Sensor is an Arduino-compatible kit for measuring Total Dissolved Solids (TDS) in water. TDS indicates how many milligrams of soluble solids are dissolved per litre — the higher the value, the l...
Delivered by Wed 10 Jun
Gravity: Analog Water Pressure Sensor
SKU: DF-SEN0257 | Brand: DFRobot
The Gravity Analog Water Pressure Sensor measures water or gas pressure and outputs a linear 0.5–4.5 V analogue signal proportional to the applied pressure (0–1.6 MPa). Using the DFRobot Gravity 3-pin interface, it co...
Delivered by Wed 10 Jun
Octopus Analog Capacitive Soil Moisture Sensor
SKU: EF-EF04097 | Brand: ElecFreaks
The Octopus Capacitive Soil Moisture Sensor uses capacitive sensing to detect soil moisture levels, avoiding the corrosion problems common with resistive sensors for a much longer service life. It outputs an analogue ...
Delivered by Wed 10 Jun
Rain Drop Sensor Module
SKU: LB-24-RAIN | Brand: Little Bird
Give your projects weather awareness in seconds. This compact module detects the very first drop of rain and reports the strength of the shower, making it ideal for smart gardens, automatic window controls, mini weat...
Delivered by Wed 10 Jun
Octopus Soil Moisture Sensor Brick
SKU: EF-EF04027 | Brand: ElecFreaks
Octopus Soil Moisture Sensor Brick can read the amount of moisture present in the soil surrounding it. It's a low tech sensor, but ideal for monitoring an urban garden, or your pet plant's water level. This is a mu...
Delivered by Wed 10 Jun
Fermion: MEMS Hydrogen H2 Gas Detection Sensor (Breakout, 0.1-1000ppm)
SKU: DF-SEN0572 | Brand: DFRobot
The Fermion MEMS H2 Sensor is a compact hydrogen gas detection module using micro-electromechanical system (MEMS) technology. It provides qualitative measurement of hydrogen concentration from 0.1 to 1000 ppm via an a...
Delivered by Wed 10 Jun
Gravity: Arduino ORP Meter V1.0
SKU: DF-SEN0165 | Brand: DFRobot
In the ever-increasing need and awareness for health and safety, water has become a focus point for proper disinfection treatment as aftereffects of industrialization can become a danger for contamination of water...
Delivered by Wed 10 Jun
DIY Gas Detector - Learn to solder
SKU: LB-LS4968 | Brand: Little Bird
MQ-2 Gas Sensor - Smoke & Flammable Gas Detector The MQ-2 is a reliable, easy-to-use gas sensor that’s ideal for detecting flammable gases like LPG, methane, propane, and even smoke. At its core is tin dioxide (SnO₂...
Delivered by Wed 10 Jun
Alcohol sensor for Arduino
SKU: LB-LR0205 | Brand: Little Bird
An alcohol sensor module for Arduino with both digital (TTL) and analog output. It detects alcohol vapour in the 10–1000 PPM range, with analog output voltage increasing proportionally with concentration. The module a...
Delivered by Wed 10 Jun
Compare your options
All buying guides
The Teacher's Guide to micro:bit Robots: Kits, Buggies, and Robotics Compared
Compare micro:bit-compatible robot kits, buggies, and robotics platforms by age range, assembly difficulty, sensors, and curriculum fit — for classrooms, clubs, and home learners across Australia.
49 products compared
Title The Maker's Guide to ADCs: Resolution, Speed, and Interface Compared
Compare analogue-to-digital converters by bit depth, sample rate, and bus (I²C vs SPI) to pick the right chip for your Arduino, Raspberry Pi, or microcontroller project.
16 products compared
