Sensors
Browse our extensive range of sensor modules and breakout boards, covering temperature, distance, motion, touch, liquid level, radar, infrared, and more. Whether you're building with Arduino, Raspberry Pi, or your own custom PCB, you'll find the right sensor for your project.
Popular with Australian makers, students, and engineers for robotics, home automation, environmental monitoring, and STEM education. Fast shipping Australia-wide from our local warehouse.
DHT22 Temperature and Humidity Sensor
SKU: DF-SEN0137 | Brand: DFRobot
DHT22 capacitive humidity sensing digital temperature and humidity module is one that contains the compound has been calibrated digital signal output of the temperature and humidity sensors. Application of a dedicate...
Delivered by Wed 24 Jun
Hall-Effect Sensor - AH1815 (Non-Latching)
SKU: SF-SEN-14709 | Brand: SparkFun
The AH1815 is an integrated Hall-Effect non-latched sensor. That’s nice but what does it do? Holding a magnet near the sensor will cause the output pin to toggle. This makes for a robust presence sensor. A reed sen...
Delivered by Wed 24 Jun
TCS3200 RGB Color Sensor For Arduino
SKU: DF-SEN0101 | Brand: DFRobot
An RGB colour sensor breakout board based on the TAOS TCS3200 chip, with four built-in white LEDs for illumination. The TCS3200 can detect and measure a wide range of visible colours by converting light intensity to a...
Delivered by Wed 24 Jun
Gravity: Non-contact Arduino Water / Liquid Level Sensor
SKU: DF-SEN0204 | Brand: DFRobot
A non-contact liquid level sensor that detects the presence of liquid through a container wall — no direct contact with the liquid required. Using advanced signal processing via the XKC-Y25-T12V chip, it works through...
Delivered by Mon 15 Jun
Magnetic Switch
SKU: DF-SEN0387 | Brand: DFRobot
This magnetic switch consists of two parts: a reed switch sensor with cable and a magnet trigger in a plastic housing. When the magnet is brought within approximately 1 cm of the sensor, the reed switch closes, allowi...
Delivered by Mon 15 Jun
5.8GHz Microwave Radar Module
SKU: DF-SEN0521 | Brand: DFRobot
The 5.8GHz Microwave Radar Module is a high-sensitivity motion detection sensor that transmits and receives 5.8GHz electromagnetic waves. By analysing the difference between transmitted and reflected signals, it relia...
Delivered by Wed 24 Jun
Gravity: Geiger Counter Module Ionizing Radiation Detector
SKU: DF-SEN0463 | Brand: DFRobot
This Gravity Geiger Counter Module detects ionising radiation — including nuclear radiation, X-rays, and cosmic rays — using a large M4011 Geiger-Müller tube. When ionising particles pass through the tube, the module ...
Delivered by Wed 24 Jun
Tilt Sensor Module
SKU: LB-TILT | Brand: Little Bird
A simple tilt sensor module that detects orientation changes. When tilted, the internal conductive ball breaks the circuit; when returned upright, it reconnects — providing a digital output signal. It's a compact, low...
Delivered by Mon 15 Jun
mmWave - C4001 24GHz Human Presence Detection Sensor (25 Meters, UART)
SKU: DF-SEN0609 | Brand: DFRobot
C4001 24GHz Millimeter-Wave Presence Sensor (25 m Range) The C4001 Millimeter-Wave Presence Sensor is a high-precision FMCW radar module designed for reliable human presence, motion, and distance detection. Operating ...
Delivered by Wed 24 Jun
Laser Detector module
SKU: LB-LS1177 | Brand: Little Bird
Laser Detector Module Want to set up your own laser tripwire? These little modules make it super simple. Just hook one up to your Arduino, line it up with a laser pointer, and you’ve got a working laser detection syst...
Delivered by Mon 15 Jun
Ultrasonic Distance Sensor - HC-SR04
SKU: SF-SEN-15569 | Brand: SparkFun
This is the HC-SR04 ultrasonic distance sensor. This economical sensor provides 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to 3mm. Each HC-SR04 module includes an u...
Delivered by Mon 15 Jun
Gravity: Arduino Digital Weight Sensor
SKU: DF-SEN0160 | Brand: DFRobot
A digital weight sensor kit based on the HX711 24-bit ADC, capable of measuring up to 1 kg. The HX711 is designed specifically for weight scale applications, interfacing directly with a bridge sensor to deliver precis...
Delivered by Wed 24 Jun
RS485 Waterproof Ambient Light Sensor (0-200,000 Lux)
SKU: DF-SEN0644 | Brand: DFRobot
Introduction The Waterproof Digital Ambient Light Sensor is a durable and versatile device designed to measure light intensity from 0 to 200,000 Lux. It utilizes the Modbus-RTU 485 communication protocol and operates ...
Delivered by Wed 24 Jun
Waterproof Mirror Reflection Photoelectric Sensor Switch (10~100cm)
SKU: DF-SEN0580 | Brand: DFRobot
What is Mirror Reflection Photoelectric Sensor Switch?A mirror reflection photoelectric sensor switch is a type of photoelectric sensor that uses a reflector to detect the presence or absence of an object. It work...
Delivered by Wed 24 Jun
Ring Inductive Proximity Sensor (15mm Hole Diameter)
SKU: DF-FIT0762 | Brand: DFRobot
These Inductive Ring Proximity sensors are designed to detect metal objects entering or passing through the ring. They operate on a 6-36V power supply and offer NPN output. The sensor features less than 1ms response t...
Delivered by Wed 24 Jun
Mini Touch Kit
SKU: DF-SEN0104 | Brand: DFRobot
This is a cool touch sensor from DFRobot. You can hook it up to the IO Expansion shield (for arduino) directly. It includes a metallic tape with a sticky side. This make it possible for you to place your sensors...
Delivered by Wed 24 Jun
Crash sensor Right-
SKU: DF-SEN0138-R | Brand: DFRobot
A miniature snap-action switch, also trademarked and frequently known as a micro switch, is an electric switch that is actuated by very little physical force.Micro switches are very widely used; among their appl...
Delivered by Mon 15 Jun
MODBUS-RTU RS485 Soil EC and pH Monitoring Sensor (IP68, 5-30V)
SKU: DF-SEN0603 | Brand: DFRobot
##Introduction The soil electrical conductivity (EC) and pH sensor operate within a wide voltage range of 5-30V, transmit data via RS485 using the MODBUS-RTU protocol, and deliver quick, reliable responses with minima...
Delivered by Wed 24 Jun
Intelligent Rain Detection Module
SKU: DF-SEN0545 | Brand: DFRobot
This smart rain sensor offers a fast way to detect rainfall change on glass in real-time free from effects like sunlight, dust, leaves, etc., and feeds back information (no rain, light rain, moderate rain, or heavy ra...
Delivered by Wed 24 Jun
Capacitive Liquid Level Sensor for Arduino
SKU: DF-SEN0507 | Brand: DFRobot
Different from our previous liquid level sensors, this capacitive liquid sensor can be used to detect high-viscosity and low-corrosive liquids, such as glue, lubricating oil, grease, ink, engine oil, powder and other ...
Delivered by Wed 24 Jun
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