Sensors & Modules
Explore a broad range of sensors and modules for electronics projects, from temperature and distance sensors to IMUs, relay modules, ADC breakouts, and liquid level sensors. Whether you're building a weather station, robotics project, or home automation system, you'll find the right component here.
Popular with Australian hobbyists, STEM educators, and professional makers, these modules work with Arduino, Raspberry Pi, and other common platforms. Fast shipping across Australia to get your project moving.
PIR Motion Sensor
SKU: LB-00158 | Brand: Little Bird
This PIR sensor is suitable for use with Arduino and Raspberry PI. The 3.3v logic level is very handy as it allows you to use this sensor with 3.3v Arduinos like the Due or Pro Mini as well as 5V like the Uno as 3....
Delivered by Fri 12 Jun
Ultrasonic Distance Sensor HC-SR04
SKU: LB-LR0230 | Brand: Little Bird
The HC-SR04 is a widely used ultrasonic distance sensor that measures distances from 2cm to 500cm (approximately 5 metres) with 1cm resolution. It works by emitting a 40kHz ultrasonic pulse, then measuring the time it...
Delivered by Fri 12 Jun
Soil Moisture Sensor
SKU: LB-LR0040 | Brand: Little Bird
This versatile soil moisture sensor is designed for easy integration with both Arduino and Raspberry Pi projects, making it a great choice for hobbyists and developers alike. It features both analog and adjustable ...
Delivered by Fri 12 Jun
HC-05 Bluetooth module
SKU: LB-LR0109 | Brand: Little Bird
Add Bluetooth functionality to your project with the HC-05 Bluetooth Module. The module is found on a breakout board which provides breadboard-friendly headers for power, ground, TX, RX and enable pins. The breakou...
Delivered by Fri 12 Jun
IR Flame Sensor Module
SKU: LB-FLAME-LIGHT | Brand: Little Bird
This IR flame sensor module detects flames and infrared light sources in the 760–1,100 nm wavelength range. With a detection angle of approximately 60° and a test range of up to 80 cm (depending on flame size), it pro...
Delivered by Fri 12 Jun
MQ-2 smoke sensor module
SKU: LB-24-MQ2 | Brand: Little Bird
This is the MQ-2 smoke sensor module. It is sensitive to flammable gases such as LPG, propane, and methane. Find our tutorial here It has four pins:AO: Analog OutputDO: Digital OutputGND: In electronics, we defi...
Delivered by Fri 12 Jun
Gravity: Analog Turbidity Sensor For Arduino
SKU: DF-SEN0189 | Brand: DFRobot
The Gravity Analog Turbidity Sensor measures water clarity by detecting the level of suspended particles. It works by measuring light transmittance and scattering rate, which change with the amount of total suspended ...
Delivered by Tue 23 Jun
IR Break Beam Sensor (50cm)
SKU: DF-SEN0503 | Brand: DFRobot
An infrared break-beam sensor pair for simple, reliable motion detection. The emitter sends a beam of invisible IR light to the receiver — when an object passes between them and breaks the beam, the receiver outputs a...
Delivered by Tue 23 Jun
IR Break Beam Sensor - 3mm LEDs
SKU: AF-2167 | Brand: Adafruit
Infrared (IR) break-beam sensors are a simple way to detect motion. They work by having an emitter side that sends out a beam of human-invisible IR light, then a receiver across the way which is sensitive to tha...
Delivered by Thu 2 Jul
Little Bird 45 in 1 sensor kit for Arduino
SKU: LB-LR20 | Brand: Little Bird
Package included: 1 x Arduino PS2 Joystick game controller module 1 x Infrared sensor receiver module 1 x Laser head sensor module 1 x Temperature and humidity sensor module 1 x Infrared emission sensor module 1 x...
Delivered by Fri 12 Jun
Arduino Line Trace Sensor Module
SKU: LB-LR0005 | Brand: Little Bird
The Line Trace Sensor Module uses an infrared emitter/detector pair to measure the reflectivity of a surface below it. When the reflectivity exceeds an adjustable threshold, the output goes low — making it ideal for b...
Delivered by Fri 12 Jun
Octopus PIR Sensor Brick
SKU: EF-EF04055 | Brand: ElecFreaks
OCTOPUS PIR Sensor module is a type of electronic building block based on AM412 pyroelectric digital smart sensor. It can be used in sensing and detection of human or animal motion, sensing distance is about 4-5 me...
Delivered by Fri 12 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 Fri 12 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 Tue 23 Jun
Sound Detection and Microphone Module
SKU: LB-LR0003 | Brand: Little Bird
This sound detection and microphone module provides both analogue and digital outputs for detecting sound with a microcontroller. The analogue output (AO) delivers a real-time voltage signal proportional to sound inte...
Delivered by Fri 12 Jun
Gravity: Non-contact IR Temeperature Sensor For Arduino
SKU: DF-SEN0206 | Brand: DFRobot
INTRODUCTION We can divide temperature measurement in to two types: contact and non-contact. Contact measurement can only accurately measure temperature when the testing object and the se...
Delivered by Tue 23 Jun
Gravity: MCP23017 IIC 16 Digital IO Expansion Module
SKU: DF-DFR0626 | Brand: DFRobot
This is an IO expansion module that based on the chip MCP23017. The module can expand additional 16 IOs. It can set 8 IIC addresses, which means with this module, the microcontroller can connect 8 modules, and expand ...
Delivered by Fri 12 Jun
Capacitive Touch Kit For Arduino
SKU: DF-DFR0129 | Brand: DFRobot
A capacitive touch sensor kit for Arduino based on the MPR121 touch controller. Includes three interchangeable touch pads — a scroll wheel, a keypad with backlight support, and a grid pad for gesture and pattern recog...
Delivered by Fri 12 Jun
PIR (motion) sensor
SKU: AF-189 | Brand: Adafruit
PIR sensors are used to detect motion from pets/humanoids from about 20 feet away (possibly works on zombies, not guaranteed). This one has an adjustable delay before firing (approx 2-4 seconds), adjustable sensiti...
Delivered by Fri 12 Jun
IR Receiver Diode - TSOP38238
SKU: SF-SEN-10266 | Brand: SparkFun
Use this simple IR receiver for infrared remote control of your next project. With low power consumption and an easy to use package, it mates well with embedded electronics and can be used with common IR remotes. The...
Delivered by Fri 12 Jun
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