SparkFun is an online retail store that sells the bits and pieces to make your electronics projects possible. No matter what your vision is, our products and resources are designed to make the world of electronics more accessible to the average person. In addition to products, SparkFun, through our Department of Education, offers classes and online tutorials designed to help educate individuals in the wonderful world of embedded electronics. Our ever-growing product catalog boasts over 2,000 components and widgets designed to help you unleash your inner inventor.
10MPa stainless steel pressure transducer with G1/4" threaded interface Designed for high-pressure monitoring applications High accuracy (±1.5%FS) with <2ms fast response Analog output: 0.5–4.5VDC @ 5V input for easy integration IP65-rated stainless steel housing ensures durability and stability Ideal for oil, gas, hydraulic, and industrial systems
YFS301 water flow sensor with 0.3–10L/min measurement range Wide voltage support (7–24V DC) with Hall effect pulse output 9.5mm inlet/outlet diameter for versatile fluid applications Sealed Hall sensor keeps electronics dry and protected Durable stainless-steel shaft & sealing ring for leak-proof performance Suitable for water heaters, purifiers,...
YFS403 water flow sensor with 1–30 L/min measurement range Wide voltage support (5–18V DC) with Hall effect pulse output G3/4” threaded inlet/outlet for direct plumbing integration Durable stainless-steel impeller shaft for long-lasting performance Reliable sealing structure prevents leaks under pressure Ideal for water heaters, vending machines,...
YFS402C water flow sensor with 0.3–10 L/min measurement range G3/8” threaded inlet/outlet (15mm) for easy plumbing integration Operating voltage: 5–18V DC with Hall effect pulse output Accuracy up to ±5% with waterproof design for reliable performance Ideal for coffee makers, sprinklers, water dispensers, and automation systems
YFS401 water flow sensor with 0.3–6 L/min flow range Operating voltage: 3.5–24V DC, low current consumption (15mA) 1/8″ nozzle size (3.5mm) for compact integration Hall effect pulse output for easy microcontroller interfacing Ideal for coffee machines, sprinklers, water dispensers, and automation systems
LS06-S Photo Transistor for detecting ambient light in electronic projects More robust and durable than standard LDR sensors Easy to interface with Arduino, Raspberry Pi, and microcontrollers Wide operating voltage range: 3–15V DC Provides analog voltage output based on light intensity Compact design, ideal for robotics, automation, and DIY projects
UV detection sensor module for measuring solar ultraviolet light intensity Operates on DC 3.3–5V with low current consumption (0.06–0.1mA) High accuracy: ±1 UV Index with 0–1V output voltage Sensitive to UV wavelength range of 200–370nm Complies with WHO UV Index grading standards Compact, fast-response module for Arduino and IoT applications
Gravity analog turbidity sensor for measuring water quality with Arduino Detects suspended particles via light transmittance and scattering rate Provides both analog (0–4.5V) and digital (high/low) outputs Adjustable digital threshold for flexible microcontroller integration Suitable for rivers, wastewater, lab tests, and environmental monitoring Compact,...
Gravity PM2.5 Air Quality Sensor for detecting PM1.0, PM2.5, and PM10 particles Uses laser scattering principle for highly accurate and real-time measurements Supports I2C digital output with low false alarm rate and fast response time (<1s) Ultra-thin 12mm design, suitable for portable and embedded applications Works with Arduino, Raspberry Pi, and...
Gravity: Ring 2D QR Code Scanner with support for 1D & 2D codes Compatible with Arduino, ESP32, Raspberry Pi via I2C & UART Features colorful LED indicator for real-time scan feedback High accuracy with ≥5mil resolution and 360° reading angle Compact design with low power consumption (<70mA) Ideal for vending machines, access control, and...
A footfall counter tracks the number of people entering or passing through a location. Commonly used in stores, malls, event venues, and public spaces. Provides crucial data for informed business decisions and improving customer experiences. Utilizes AI technology for up to 99% accuracy. Equipped with a server-sync GSM board for real-time data...
High noise immunity with easy sensing range adjustment via potentiometer. Cylindrical smooth plastic housing protects against deposits and harsh environments. PNP normally closed output with a 20mm adjustable sensing range. Short-circuit, reverse polarity, and overload protection for enhanced reliability. Suitable for position detection or level...
Dual IR flame sensor module with two independent flame detection channels Detects flame/light sources in the 760–1100nm wavelength range Detection distance up to 80cm and ~60° detection angle Equipped with LM393 comparator for stable and accurate digital output Adjustable sensitivity via onboard potentiometer for flexible use Strong drive capability...
Taurus TGAM Brainwave Sensor Module Development Kit with EEG headband and Mindwave headset Captures and analyzes single-channel brainwave signals with precision Includes Bluetooth adapter for seamless wireless connectivity to devices Designed for biofeedback, cognitive research, and interactive control projects Not a medical device – intended for...
C1001 60GHz mmWave radar sensor with advanced human detection features Supports fall detection using point cloud imaging algorithms Provides sleep monitoring with breath and heart rate measurement Detects both motion and static presence, unlike PIR sensors Works with Arduino, ESP32, and micro:bit via Arduino IDE support Wide detection range of up to 11...
Gravity: 10.525GHz microwave motion sensor using Doppler effect Detects moving objects unaffected by temperature, light, dust, or noise Adjustable detection range: 2–16 meters for flexible applications Strong resistance to radio frequency interference, reliable in harsh conditions Compact Gravity 3-pin digital interface, easy Arduino/Raspberry Pi...
Gravity: Analog Water Pressure Sensor with 0–1.6MPa range Standard 5V input, 0.5–4.5V linear output for easy Arduino integration Gravity 3-pin interface ensures simple plug-and-play wiring Compatible with Arduino and expansion shields for quick prototyping IP68 waterproof design for reliable indoor and outdoor applications Ideal for smart homes, IoT,...
Gravity: Analog capacitive soil moisture sensor with corrosion resistance Wide operating voltage 3.3V–5.5V, compatible with Arduino & Raspberry Pi Analog output 1.2–2.5V for easy integration with MCUs Waterproof detection area for reliable indoor & outdoor use Capacitive design ensures 2–3x longer lifespan than resistive sensors Ideal for IoT...
Gravity: Photoelectric liquid level sensor with ±0.5mm accuracy Optical detection method – no moving parts, less calibration needed Corrosion-resistant probe handles high temperature and pressure Compatible with Arduino, Raspberry Pi, Intel Edison, and more Plug-and-play with Gravity interface adapter Long lifespan of 50,000 hours for reliable monitoring
Gravity: Industrial-grade Analog pH Sensor Pro Kit V2 for precise water quality monitoring Continuous 24/7 operation with probe lifespan exceeding 4380 hours ±0.1 pH measurement accuracy at 25°C with two-point calibration Compatible with Arduino, LattePanda, and 3.3–5.5V MCUs Plug-and-play with BNC and Gravity connectors, no soldering required Ideal for...
Underwater ultrasonic obstacle avoidance sensor with 2–300cm range Operates on a wide voltage range of 5–24V with low power consumption IP68 waterproof rating ensures reliable underwater use up to 10m depth Compact size, lightweight, and minimal blind spots for easy integration UART output with fast 10ms response time for real-time navigation Ideal for...
4.5-inch original Flex Sensor by Spectra Symbol – trusted for precision motion detection Resistance increases with bending: ideal for angle displacement measurements Durable design: tested for over 1 million life cycles Temperature range: -35°C to +80°C, suitable for harsh environments Low profile, lightweight (0.015kg) and simple to integrate in...
VL53L1X/ V645 CJVL53L1 advanced Time-of-Flight (ToF) laser-ranging sensor from STMicroelectronics Measures distances up to 4 meters with high accuracy and speed Fast ranging frequency up to 50Hz, ideal for real-time applications Works reliably under varied lighting conditions and cover materials Compact 4.9 × 2.5 × 1.56 mm module with low-power...
VL53L5X V2 ToF laser sensor with 0–4m ranging distance Supports 8×8 multi-zone detection grid with 63° wide FoV Fast measurement rate up to 60Hz for real-time applications Includes optical cover sheet for dust protection and higher accuracy Advanced histogram algorithm for multi-object detection Ideal for robotics, smart devices, access control, and...
MQ-137 sensor module for detecting Ammonia (NH3) and CO gases Wide detection range with fast response time under 1 second Provides both analog and digital outputs for versatile use Adjustable sensitivity via onboard potentiometer Operates on standard +5V supply, Arduino compatibl Ideal for air quality monitoring, leak alarms, and safety systems
YZC-133 strain gauge-based load cell with 10kg capacity for accurate weight measurement Converts applied force or pressure into electrical signals for digital processing Aluminum alloy construction ensures high strength and long-term stability Compatible with HX711 ADC module for Arduino and industrial applications Provides 1.0 ± 0.1mV/V rated output with...
High-sensitivity MQ-131 sensor for ozone (O₃) detection in air (10 PPB – 2 PPM range) Detects O₃, Cl₂, and NO₂ gases with fast response and high stability Provides dual signal output: analog and TTL-level digital output Signal LED indicator for easy testing and monitoring Plug-type probe design for convenient replacement and calibration Ideal for air...
High-sensitivity MQ-214 sensor for methane (CH₄) gas detection Detects CH₄, LPG, propane, iso-butane, and hydrogen (H₂) gases Provides analog voltage output proportional to gas concentration Features wide detection range and fast response time Durable, long-life design with low maintenance cost Ideal for gas leakage detection in residential and industrial...
Single-channel EEG brainwave sensor for real-time monitoring and biofeedback applications Based on the TGAM brainwave acquisition chip, offering high accuracy and strong signal stability Captures raw EEG data at 512Hz sampling rate with dual baud rate output (9600 & 115200) Bluetooth and UART serial communication for wireless or wired data...
