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.
8421 Encoder-Vertical
SKU: DF-DFR0721 | Brand: DFRobot
The 8421 Encoder (Vertical) is an absolute position encoder with 16 positions (0–F) using BCD/8421 encoding. Unlike incremental encoders or potentiometers, the mechanical position directly determines the output code —...
Delivered by Tue 7 Jul
TFMini-S - Micro LiDAR Module
SKU: SF-SEN-16977 | Brand: SparkFun
The TFMini-S Micro LiDAR Module is a ToF (Time of Flight) LiDAR sensor capable of measuring the distance to an object as close as 10 centimeters (+/- 6cm up to 6m) and as far as 12 meters (+/-1% starting at 6m)! As wi...
Delivered by Tue 7 Jul
Octopus MG811 CO2 Gas Sensor
SKU: EF-EF04100 | Brand: ElecFreaks
Octopus MG811 CO2 Gas Sensor is a CO2 electronic brick in our OCTOPUS series, the basic design for the outlook, PCB fixing holes and connections are the same with them.The higher the CO2 concentration is, the lower th...
Delivered by Tue 7 Jul
Octopus BME280 Pressure Sensor
SKU: EF-EF04087 | Brand: ElecFreaks
Octopus BME280 Pressure Sensor is an electric brick, which has integrated temperature sensor, air pressure sensor and humidity sensor onboard. We can use it to measure humidity, temperature and air pressure, or eve...
Delivered by Tue 7 Jul
Octopus PM2.5 module
SKU: EF-EF04090 | Brand: ElecFreaks
The Octopus PM2.5 module from ElecFreaks is a laser-based particulate matter sensor built around the ZH03B dust sensor. It measures PM2.5 concentration in the air with high consistency and real-time response, capable ...
Delivered by Tue 7 Jul
Octopus Analog Rotation Brick-Blue
SKU: EF-EF04085 | Brand: ElecFreaks
Octopus analog rotation brick is a 10K potentiometer module. Rotating the knob to change its resistance can realize voltage division while providing analog signals to the analog input IO ports of micro-controller. ...
Delivered by Tue 7 Jul
Octopus Gesture Sensor Brick
SKU: EF-EF04078 | Brand: ElecFreaks
Octopus Gesture Sensor is PAJ7620U2 that integrates gesture recognition function with general I2C interface into a single chip. It can recognize 9 gestures including move up, move down, move left, move right, et...
Delivered by Tue 7 Jul
TOF Sense Laser Range Sensor (5m)
SKU: DF-SEN0337 | Brand: DFRobot
TOF Sense is a TOF-based (Time of Flight) laser ranging sensor that offers 1cm-5m detection range, 1mm resolution, ± 1.5cm error, and 10Hz data update frequency. The sensor supports 15 ° ~ 27 ° adjustable FOV, UART an...
Delivered by Tue 7 Jul
Infrared Photoelectric Switch
SKU: DF-SEN0347 | Brand: DFRobot
This infrared photoelectric switch consists of a transmitter and receiver pair that detects objects at distances up to 1.5 m with a response time under 1 ms. The infrared beam provides stable detection regardless of a...
Delivered by Tue 7 Jul
Octopus LM35 Analog Temperature Brick
SKU: EF-EF04070 | Brand: ElecFreaks
The Octopus LM35 Analog Temperature Brick is a plug-and-play temperature sensor module based on the TI LM35D precision centigrade temperature sensor. The LM35 outputs a voltage linearly proportional to temperature (10...
Delivered by Tue 7 Jul
OCTOPUS Magnetic Switch
SKU: EF-EF04075 | Brand: ElecFreaks
OCTOPUS Magnetic Switch is a kind of electric brick carrying magnetic switch and compatible with OCTOPUS series. It mainly consists of WBSF12 dry reed switch. WBSF12 is a dry reed tube with frequently open contact ...
Delivered by Tue 7 Jul
F1031V Mass Air Flow Sensor
SKU: DF-SEN0360 | Brand: DFRobot
F1031V Mass Air Flow Sensor adopts thermodynamic principle to detect flow rate of gas medium in the flow channel, with high precision and good repeatability. It comes with built-in temperature sensor to provide temper...
Delivered by Tue 7 Jul
Gravity: IIC Ozone Sensor (0-10ppm)
SKU: DF-SEN0321 | Brand: DFRobot
The Gravity IIC Ozone Sensor measures ozone (O₃) concentration from 0 to 10 ppm with 10 ppb resolution using an electrochemical sensing element. Factory-calibrated for accurate readings out of the box, it connects via...
Delivered by Tue 7 Jul
URM12 Ultrasonic Sensor(1500cm RS485)
SKU: DF-SEN0310 | Brand: DFRobot
The URM12 is a long-range ultrasonic distance sensor from DFRobot, designed for distance measurement and obstacle avoidance applications. With a detection range of 70–1500 cm, RS485 communication interface, and standa...
Delivered by Tue 7 Jul
Adafruit TMP235 - Plug-and-Play STEMMA Analog Temperature Sensor - TMP235
SKU: AF-4686 | Brand: Adafruit
The Adafruit TMP235 is a plug-and-play analog temperature sensor with a 3-pin JST PH (STEMMA) connector. Unlike I2C sensors, this one outputs a simple analog voltage proportional to temperature — just connect it to an...
Delivered by Thu 16 Jul
Adafruit PCF8591 Quad 8-bit ADC + 8-bit DAC - STEMMA QT / Qwiic
SKU: AF-4648 | Brand: Adafruit
The Adafruit PCF8591 Quad 8-bit ADC + 8-bit DAC combines four analogue input channels and one analogue output channel in a single I2C breakout. Measure voltages from potentiometers, sensors, or other analogue sources ...
Delivered by Thu 16 Jul
Adafruit H3LIS331 Ultra High Range Triple-Axis Accelerometer - STEMMA QT / Qwiic
SKU: AF-4627 | Brand: Adafruit
The Adafruit H3LIS331 is an ultra-high-range triple-axis accelerometer capable of measuring up to ±400g across all three axes. Part of the ST LIS331 family, it's designed for applications where standard ±16g accelerom...
Delivered by Fri 26 Jun
Adafruit LIS331 Triple-Axis Wide-Range ±24g Accelerometer - STEMMA QT / Qwiic
SKU: AF-4626 | Brand: Adafruit
The Adafruit LIS331 Accelerometer Breakout features the LIS331HH from ST — a triple-axis accelerometer capable of measuring up to ±24g, well beyond the ±16g limit of most standard accelerometers. It's ideal for high-i...
Delivered by Thu 16 Jul
Adafruit 9-DOF LSM9DS1 Breakout Board - STEMMA QT / Qwiic
SKU: AF-4634 | Brand: Adafruit
Add motion, direction and orientation sensing to your project with this compact STEMMA QT version of the LSM9DS1 9-DOF sensor from Adafruit. The LSM9DS1 combines a 3-axis accelerometer, 3-axis magnetometer and 3-axis ...
Delivered by Thu 16 Jul
Adafruit LPS22 Pressure Sensor - STEMMA QT / Qwiic - LPS22HB
SKU: AF-4633 | Brand: Adafruit
The Adafruit LPS22 Pressure Sensor Breakout features the ST LPS22HB — a tiny absolute barometric pressure sensor capable of measuring atmospheric pressure from 260 to 1260 hPa. Use it for weather monitoring, altitude ...
Delivered by Thu 16 Jul
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