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: Soil Moisture Sensor For Arduino
SKU: DF-SEN0114 | Brand: DFRobot
A resistive soil moisture sensor that reads the water content of surrounding soil by measuring electrical resistance between its two probes. Wetter soil conducts more easily (lower resistance), while dry soil conducts...
Delivered by Fri 19 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
Gravity: Analog pH Sensor / Meter Pro Kit V2
SKU: DF-SEN0169-V2 | Brand: DFRobot
DFRobot Gravity: Analog pH meter pro V2 is specifically designed to measure the pH of the solution and reflect the acidity or alkalinity. It is commonly used in various applications such as aquaponics, aquaculture, an...
Delivered by Fri 19 Jun
Fermion: MEMS Methane CH4 Gas Detection Sensor (Breakout, 1-10000ppm)
SKU: DF-SEN0565 | Brand: DFRobot
Fermion: MEMS Methane CH4 Gas Detection Sensor employs state-of-the-art micro-electromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (<20mA), minim...
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
Gravity: Arduino Analog Capacitive Soil Moisture Sensor- Corrosion Resistant
SKU: DF-SEN0193 | Brand: DFRobot
The Gravity Analogue Capacitive Soil Moisture Sensor measures soil moisture using capacitive sensing rather than resistive probes, providing significantly better corrosion resistance and longer service life. Made from...
Delivered by Fri 19 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
Fermion: MEMS Carbon Monoxide CO Gas Detection Sensor (Breakout, 5-5000ppm)
SKU: DF-SEN0564 | Brand: DFRobot
The Fermion MEMS Carbon Monoxide Sensor uses micro-electromechanical system (MEMS) technology to detect CO gas concentrations from 5 to 5,000 ppm. Its compact size, low power consumption, short preheat time, and fast ...
Delivered by Wed 10 Jun
Gravity: Analog pH Sensor/Meter Kit V2
SKU: DF-SEN0161-V2 | Brand: DFRobot
The Gravity Analog pH Sensor/Meter Kit V2 is designed to measure the pH of liquids, indicating acidity or alkalinity on a scale of 0–14. It's commonly used in aquaponics, aquaculture, hydroponics, and environmental wa...
Delivered by Fri 19 Jun
Fermion: MEMS Volatile Organic Compounds VOC Gas Detection Sensor (Breakout, 1-500ppm)
SKU: DF-SEN0566 | Brand: DFRobot
Fermion: MEMS Volatile Organic Compounds VOC Gas Sensor employs state-of-the-art microelectromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (<20mA...
Delivered by Wed 10 Jun
Fermion: MEMS Ethanol EtOH Gas Detection Sensor (Breakout, 1-500ppm)
SKU: DF-SEN0569 | Brand: DFRobot
The Fermion MEMS Ethanol (EtOH) Gas Detection Sensor uses micro-electromechanical system (MEMS) technology for compact, low-power ethanol gas detection. With a detection range of 1–500 ppm, it provides qualitative mea...
Delivered by Wed 10 Jun
Fermion: MEMS Hydrogen Sulfide H2S Gas Detection Sensor (Breakout, 0.5-50ppm)
SKU: DF-SEN0568 | Brand: DFRobot
Fermion: MEMS Hydrogen Sulfide H2S Gas Detection Sensor employs state-of-the-art micro-electromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (<20m...
Delivered by Wed 10 Jun
Fermion: MEMS Smoke Gas Detection Sensor (Breakout, 10-1000ppm)
SKU: DF-SEN0570 | Brand: DFRobot
Fermion: MEMS Smoke Gas Detection Sensor employs state-of-the-art microelectromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (<20mA), minimal heat...
Delivered by Wed 10 Jun
Fermion: MEMS Odor Smell Gas Detection Sensor (Breakout, 0.5-50ppm)
SKU: DF-SEN0571 | Brand: DFRobot
Fermion: MEMS Odor Smell Gas Detection Sensor employs state-of-the-art microelectromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (<20mA), minimal...
Delivered by Fri 19 Jun
Fermion: MEMS Formaldehyde HCHO Gas Detection Sensor (Breakout, 0-3ppm)
SKU: DF-SEN0563 | Brand: DFRobot
Fermion: MEMS Formaldehyde HCHO Gas Detection Sensor employs state-of-the-art micro-electromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (<20mA),...
Delivered by Fri 19 Jun
Fermion: MEMS Nitrogen Dioxide NO2 Gas Detection Sensor (Breakout, 0.1-10ppm)
SKU: DF-SEN0574 | Brand: DFRobot
Fermion: MEMS Nitrogen Dioxide NO2 Gas Detection Sensor employs state-of-the-art micro-electromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (<20m...
Delivered by Fri 19 Jun
Fermion: MEMS Gas Sensor - MiCS-5524 (Breakout)
SKU: DF-SEN0440 | Brand: DFRobot
A compact MEMS gas sensor breakout based on the MiCS-5524, capable of detecting concentrations of multiple gases including carbon monoxide (CO), methane (CH4), ethanol (C2H5OH), propane (C3H8), butane (C4H10), hydroge...
Delivered by Fri 19 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