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.
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 Tue 23 Jun
Magnetic Rotary Encoder - 128 P/R (Quadrature) w/ Switch - SparkFun Electronics
SKU: SF-COM-27884 | Brand: SparkFun
The CS19D128B is a high-quality magnetic rotary encoder from Cooka, offering smooth, low-friction rotation with 128 pulses per revolution and no detent positions. Pressing the shaft activates a built-in push switch. ...
Delivered by Tue 23 Jun
Ultrasonic Distance Sensor - 3.3V (HC-SR04), 180° (red) - SparkFun Electronics
SKU: SF-SEN-28798 | Brand: SparkFun
This is the HC-SR04 ultrasonic distance sensor, now in Red! This economical sensor offers non-contact measurement functionality ranging from 2cm to 400cm, with a ranging accuracy of up to 3mm. Each HC-SR04 ...
Delivered by Tue 23 Jun
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 Tue 23 Jun
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 Tue 23 Jun
Gravity: WiFi IoT Module for Science Data Acquisition (SCI DAQ)
SKU: DF-TEL0180 | Brand: DFRobot
The Gravity: WiFi IoT Module is a companion accessory for the Gravity: Science Data Acquisition (SCI DAQ) Module, enabling wireless sensor data transmission to IoT platforms without any programming required. Simply co...
Delivered by Tue 23 Jun
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 Tue 23 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 Tue 23 Jun
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 Tue 23 Jun
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 Tue 23 Jun
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 Tue 23 Jun
XT-S1 ToF Single-Point Ranging LiDAR Sensor (0.3-30m)
SKU: DF-SEN0585 | Brand: DFRobot
##Introduction This is a compact single-point laser radar based on the Time-of-Flight (ToF) principle. With a lightweight design of only 9 grams, it is incredibly convenient to install. Thanks to its low power consump...
Delivered by Tue 23 Jun
Threshold Formaldehyde HCHO Detection Sensor (0-20ppm)
SKU: DF-SEN0595 | Brand: DFRobot
##Introduction This formaldehyde gas sensor differs from most gas sensors on the market as it does not provide specific gas concentration data. Instead, it detects whether the surrounding environment exceeds or falls ...
Delivered by Tue 23 Jun
3D ToF Depth Sensor Camera with 1.14 Inch LCD Screen (0.15~1.5m, supports ROS1 and ROS2)
SKU: DF-SEN0581 | Brand: DFRobot
The DFRobot 3D ToF (Time-of-Flight) Depth Sensor Camera combines a BL702 processor with a 100×100 ToF sensor to measure distances from 0.15 to 1.5 metres. A built-in 1.14-inch LCD screen provides real-time preview of ...
Delivered by Tue 23 Jun
Threshold Carbon Monoxide Detection Sensor (0-1000ppm)
SKU: DF-SEN0596 | Brand: DFRobot
##Introduction This carbon monoxide gas sensor differs from most gas sensors on the market as it does not provide specific gas concentration data. Instead, it detects whether the surrounding environment exceeds or fal...
Delivered by Tue 23 Jun
RPLiDAR S3 - 360 Degree Smaller Size TOF Laser Range Scanner (40m)
SKU: DF-DFR1097 | Brand: DFRobot
##Introduction SLAMTEC self-developed SL-TOF (SLAMTEC Direct Time-of-Flight)SLAMTEC self-developed L-T0F distance measurement technology improves environmental light immunity and measurement accuracy.A stable and fixe...
Delivered by Tue 23 Jun
LPB40B IP65 DToF Single-Point Ranging LiDAR Sensor (0.05-40m, UART)
SKU: DF-SEN0586 | Brand: DFRobot
The LPB40B is a single-point ranging LiDAR sensor based on Direct Time-of-Flight (DToF) technology. It measures distances from 0.05 to 40 m on high-reflectivity targets, with ±5 cm accuracy across the full range. The ...
Delivered by Tue 23 Jun
Miniature Ultrasonic Distance Ranging Obstacle Avoidance Sensor (3m, RS485, IP67)
SKU: DF-SEN0591 | Brand: DFRobot
##Introduction With a measurement range of up to 3m, the RS485 ultrasonic obstacle avoidance distance ranging sensor offers advantages such as small blind zones (Measurement accuracy: 1 + (S * 0.3%) cm), narrow measur...
Delivered by Tue 23 Jun
IP68 Underwater Ultrasonic Obstacle Avoidance Sensor (3m, UART)
SKU: DF-SEN0598 | Brand: DFRobot
An IP68-rated ultrasonic obstacle avoidance sensor specifically designed for underwater applications. With a measurement range of 2–300cm and UART output, this compact sensor enables underwater vehicles and robots to ...
Delivered by Tue 23 Jun
Sensor ELECFREAKS PlanetX PM2.5
SKU: EF-EF05028 | Brand: ElecFreaks
PM2.5 is the particulates in the air with a diameter less than or equal to 2.5 microns. It usually carries heavy metals and microorganisms, and it stays in the air for a long time, which has a great impact on human he...
Delivered by Tue 23 Jun
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