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.
4 channel 5V relay module with light coupling 5V
SKU: LB-LR0051 | Brand: Little Bird
A 4-channel relay module with opto-isolated inputs for safe, reliable switching of high-power loads. Each relay is rated for up to 10A at 250VAC or 30VDC, making it suitable for controlling lights, motors, heaters, an...
Delivered by Thu 13 Aug
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 Mon 24 Aug
RS485 Photosynthetically Active Radiation (PAR) Sensor (400-700nm)
SKU: DF-SEN0641 | Brand: DFRobot
The RS485 PAR Sensor measures photosynthetically active radiation in the 400–700 nm wavelength range — the light spectrum that plants use for photosynthesis. It converts incident radiation into a signal proportional t...
Delivered by Thu 13 Aug
RS485 MODBUS-RTU Soil NPK Measure Sensor for for Efficient Agricultural (IP68, 5-30V)
SKU: DF-SEN0605 | Brand: DFRobot
##Introduction The Soil Sensor is designed to measure and monitor the nitrogen (N), phosphorus (P), and potassium (K) levels in soil, enabling the optimization of soil fertility and creating ideal conditions for plant...
Delivered by Mon 24 Aug
Gravity: LTC4316 I2C Address Shifter - I2C Conflict Resolver for Arduino & Raspberry Pi
SKU: DF-DFR1193 | Brand: DFRobot
The Gravity LTC4316 I2C Address Shifter resolves I2C address conflicts, allowing multiple sensors with the same address to operate on a single bus. Insert this module between your microcontroller and sensor – address ...
Delivered by Mon 24 Aug
Adafruit SPA06-003 Temperature + Pressure Sensor
SKU: AF-6420 | Brand: Adafruit
The Adafruit SPA06-003 is an affordable barometric pressure and temperature sensor from Goertek, ideal for basic environmental sensing and DIY quadcopter builds. It measures 300–1100 hPa (approximately −500 to +9000 m...
Delivered by Fri 4 Sep
Mechanical Rotary Encoder - 64 P/R (Quadrature) - SparkFun Electronics
SKU: SF-COM-27883 | Brand: SparkFun
The ENS22S001 is a high-quality mechanical rotary encoder from Cooka, offering 64 pulses per revolution with standard quadrature (A/B) output. Fully sealed and rated IP65, it's built for reliable operation in harsh en...
Delivered by Mon 24 Aug
RS485 Photoelectric Solar Radiation Sensor (400-1100nm)
SKU: DF-SEN0640 | Brand: DFRobot
The RS485 Photoelectric Solar Radiation Sensor is designed for precise solar radiation measurement within the 400-1100nm spectral range. Utilizing the photoelectric principle, it converts sunlight into electric...
Delivered by Mon 24 Aug
RS485 Ultraviolet (UV) Intensity Measure Sensor (290-390nm, UVA, UVB)
SKU: DF-SEN0642 | Brand: DFRobot
An industrial-grade RS485 UV sensor that measures ultraviolet intensity (0–15 mW/cm²) and UV index (0–15) across the 290–390 nm wavelength range, covering both UVA and UVB bands. It communicates via the Modbus-RTU pro...
Delivered by Mon 24 Aug
RS485 4-in-1 Soil Moisture, Temperature, pH & EC Sensor for Smart Agriculture (IP68, 5-30V)
SKU: DF-SEN0604 | Brand: DFRobot
##Introduction The 4-in-1 soil sensor is designed to monitor key soil parameters: temperature, humidity, electrical conductivity (EC), and pH. With its wide voltage power supply range of 5-30V and RS485 data transmiss...
Delivered by Mon 24 Aug
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 Mon 24 Aug
RS485 Soil pH, Moisture, and Temperature Monitoring Sensor in Soil-less Cultivation (Anti-corrosion, 5-30V)
SKU: DF-SEN0602 | Brand: DFRobot
##Introduction This RS485 soil temperature, humidity, and pH sensor supports a broad voltage power supply range (5-30V) and communicates data through the reliable MODBUS-RTU protocol, allowing for seamless integration...
Delivered by Mon 24 Aug
RS485 Soil Temperature, Moisture, and EC Sensor for Precision Irrigation and Climate Control in Greenhouses (IP68, 5-30V)
SKU: DF-SEN0601 | Brand: DFRobot
The RS485 Soil Sensor provides real-time monitoring of soil temperature, moisture, and electrical conductivity (EC) in a single rugged probe. It communicates via the MODBUS-RTU protocol over RS485, making it easy to i...
Delivered by Mon 24 Aug
RS485 MODBUS-RTU Soil Temperature & Moisture Sensor for Automatic Irrigation System (IP68, Compatible with Arduino)
SKU: DF-SEN0600 | Brand: DFRobot
##Introduction The RS485 Soil Sensor is designed for real-time monitoring of soil temperature and humidity, ideal for large-scale agricultural applications, greenhouse management, and fruit orchards' automatic irrigat...
Delivered by Mon 24 Aug
Gravity LED Self-Locking Switch - Red
SKU: DF-DFR0789-R | Brand: DFRobot
This illuminated pushbutton module is a simple self-locking switch with a built-in red LED for clear visual feedback. Press it once and the module outputs High while the LED turns on; press it again and the output goe...
Delivered by Mon 24 Aug
DFRobot SEN0716 Industrial Non-Contact Liquid Level Sensor IP67
SKU: DF-SEN0716 | Brand: DFRobot
This industrial non-contact liquid level sensor uses capacitive sensing to detect liquid through non-metallic container walls, so it does not need to touch corrosive, viscous or contaminated liquids. It is suited to l...
Delivered by Mon 24 Aug
DFRobot Ultra-Compact ToF Laser Ranging Sensor - 7.8m
SKU: DF-SEN0646 | Brand: DFRobot
This ultra-compact dToF laser ranging sensor uses 940nm laser pulses to measure distance up to 7.8 metres with typical ±4cm accuracy. It is designed for precise, real-time ranging in compact robotics, drone, IoT and a...
Delivered by Mon 24 Aug
25m Long Distance ToF Laser Sensor (±3cm Accuracy, 100Hz, 100K LUX Resistant)
SKU: DF-SEN0647 | Brand: DFRobot
The TOFSense F2 is a high-performance laser distance sensor using dTOF (Direct Time-of-Flight) technology. With 25m range, ±3cm accuracy, and 100Hz refresh rate, it's ideal for robotics, industrial automation, drones,...
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