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Sensors are awesome tools that can help measure, analyse, interact with and even predict the environment in which they’re placed, and what makes them really amazing is that they allow us to build machines, devices and robots that can understand the world around them, leading to ever-more functional, fun or just silly projects for us to enjoy.
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Sensors are awesome tools that can help measure, analyse, interact with and even predict the environment in which they’re placed, and what makes them really amazing is that they allow us to build machines, devices and robots that can understand the world around them, leading to ever-more functional, fun or just silly projects for us to enjoy.
Within this section of DIYElectronics, we have Sensor Components and Sensor Modules for measuring and analysing a wide range of different factors, from rain detection sensors to barcode readers, and all of the sensors featured here are ones that we love, and often use within our many different projects. In fact, we very seldom acquire products that we wouldn’t want to use ourselves, and when it comes to sensing the environment and surrounding spaces, we believe that there is no such thing as too many options for customisation.
If you’ve always wanted to do projects like making your air-conditioner to turn on depending on the weather, creating a gesture-based coffee machine, automatically dose your pool to balance out pH levels, or simply want to equip your favourite little bot-buddy with more “eyes”, “ears” and other senses for interacting with the world, you’ve most certainly come to the right place!
LessThis RS485 Temperature and Humidity Sensor features a hardy aluminium shell to withstand harsh environments while monitoring between -40°C to 120°C.
Create colourful cool mist spilling into the air with this high-power Ultrasonic Colour Mist Maker Humidifier, including 12 LED lights for extra ambience.
The SEN0161 pH Sensor V2.0 is an Arduino compatible kit for quickly and accurately measuring pH levels for both hobbyist and professional applications.
This laboratory grade Analog Electrical Conductivity Sensor is a K-1 sensor for quick quality measurements of common liquids.
This Analog TDS Sensor is Arduino compatible and measures the total dissolved solids in water, for healthy hobbyists who like healthy water.
This Analog ORP Pro Sensor is an Arduino-compatible module with an upgraded ORP probe for detecting quality criteria and any harmful contaminations within water.
This handy DS18B20 Temperature Sensor operates on 3V to 5.5V for easy use with Arduino, featuring a Waterproof sheathe for safe immersion.
These Parallel Beam Load Cell Sensors are the ideal modules for building your own scale, with a max weighing capacity of 150kg.
Equip yourself with everything you need for truly grand projects with the 37 Piece Sensor Kit from DFRobot – Designed to the Gravity Series Standard.
This Sensor Kit is an excellent launch pad for new projects, with loads of sensors for identifying, monitoring, and automating the world around you.
A three degree of freedom magnetometer sensor module. Connect to all of your compass projects!
Add a BMP180 Barometric Pressure Sensor to your WeMos D1 Mini Development Board with this easy shield, offering an easy extension board for your Arduino project.
Arduino Compatible AM2302 (DHT22) Digital Temperature and Humidity Sensor
These 20kg Parallel Beam Load Cell Sensors are perfect for mounting below shelves and platforms to measure remaining stock, small parts and more.
This Steam Sensor Module is designed by DFRobot, capable of identifying and measuring steam in local environments for automation and fun projects.
Build your own smart watches and wearables! The 1.28-inch Round RP2040 IPS LCD Display features a Raspberry Pi dual-core MCU, temperature sensor, motion sensors, and 30 GPIO pins for add on functions.
Build smart wearables using this 1.69-inch Rectangular ESP32-S3 Touch LCD with dual-core MCU, wireless features, motion sensors, and Arduino compatibility.
Build smart wearables with the 1.28-inch Round ESP32-S3 IPS LCD Display in metal case with dual-core MCU, wireless features, motion sensors, and Arduino compatibility.
Build smart wearables with the 1.28-inch Round ESP32-S3 IPS LCD Display with dual-core MCU, 30 GPIO pins, wireless features, motion sensors, and Arduino compatibility.
Build smart wearables using this 1.28-inch Round ESP32-S3 Touch LCD with dual-core MCU, wireless features, motion sensors, and Arduino compatibility.
Build smart wearables with the 1.28-inch Round ESP32-S3 Touch LCD in metal case with dual-core MCU, wireless features, motion sensors, and Arduino compatibility.
The Plantower Air Quality Sensor is a two-in-one detector for PM2.5 and temperature humidity detection, ready to monitor and ensure you're breathing healthy air.
This Analog Capacitive Soil Moisture Sensor is the latest optimised waterproof design from the Gravity series to help keep your garden well-watered and healthy.
The WM150 Watt Meter from ToolkitRC is essentially a High-Speed Sampler & signal generator for testing, analysing and tuning RC gear up to 50V @ 150A.
This awesome Air Quality Multi-Sensor integrates a range of sensors to detect particulate matter, Formaldehyde, Temperature & Humidity simultaneously!
This Analog Capacitive Soil Moisture Sensor is perfect for monitoring moisture levels for gardening, farming or just “Garden Variety” experimentation.
This magical mmWave Radar Human Presence Sensor uses radio waves to detect your presence up to 6m away, whether you’re in motion or fast asleep.
This magical mmWave Radar Human Presence Sensor uses radio waves to detect your presence up to 9m away, whether you’re in motion or fast asleep.
Create your own custom TV remotes, control LED strips wirelessly, or build custom object detection with this handy KY-005 IR Transmitter Module.
This is a Simple Digital Thermometer with onboard Display, for quick and easy temperature measurements up to 110°C – Ideal for Making, Baking & More.
This Black Digital Hygrometer and Thermometer features a round LCD display for quick measurements up to 70°C and 99%RH, ideal for Making, baking, & more.
This White Digital Hygrometer and Thermometer features a round LCD display for quick measurements up to 70°C and 99%RH, ideal for Making, baking, & more.
This handy Digital Voltmeter and Ammeter will monitor 50-500V AC voltage and 0-100A current with a white 22mm LCD display and round current sensor.
This handy little PIR Motion Sensor Module is a motion-based switch for lighting, motors or any other components in interactive or reactive projects.
DHT11 Digital Temperature & Humidity Sensor measures 20~90%RH and 0~+60°C
The HC-SR04 is a quick, cheap and easy way to measure distance with an Arduino or similar microcontroller.