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.
The Piezoelectric Sensor/Transducer/Buzzer – 35mm Diameter is a highly sensitive vibration sensor ideal for audio detection and impact sensing applications. Built using a copper and ceramic composite, this robust piezo disk is designed for consistent analog signal output in response to pressure, vibration, or acoustic input. Its compact and lightweight...
4.5-inch Flex Sensor Made in China 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 robotics, wearables, and more Used in iconic tech like the...
The BMM350 sensor measures magnetic fields on 3 axes using TMR tech, offers high sample rates, wide range, high resolution, and stability against field shocks.
Compact 10DOF sensor module integrates orientation and barometric sensors, supporting complex data processing for applications like AR, gaming, and wearables.
The Shake Switch Module is a simple and compact motion detection sensor that responds to directional shaking or vibration. Designed to output a high signal when activated, this module is ideal for basic motion-triggered projects such as alarms, interactive electronics, or energy-saving systems. It operates reliably on 3.3V to 5V, making it compatible with...
Circular thin film sensor, 18.3mm, detects static and dynamic pressure quickly. Used in devices like switches and medical systems. Easy to use, durableModel: RP-C18.3-LT Thin Film Pressure Sensor
Lightning sensor detects strikes within 40km, measures intensity, and rejects interference. It's ideal for weather stations, wearables, and lightning photography.
The MQ316 Mouth Smell Sensor is a semiconductor-based gas sensor designed for detecting gases associated with mouth odor, such as ethanol (C₂H₅OH), hydrogen sulfide (H₂S), and methyl mercaptan (CH₃SH). With its compact size and high sensitivity, this sensor is widely used in breath odor detectors, portable alcohol testers, and air-quality monitoring devices.
The LIS2DH12TR Three-Axis Acceleration Sensor Module is a high-performance, ultra-low-power accelerometer designed for motion detection, orientation sensing, and industrial applications. Offering a wide dynamic range of ±2g/±4g/±8g/±16g, selectable in real time, this module is an excellent replacement for the popular ADXL345, with enhanced power...
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The AS7265x Multispectral Sensor Module integrates three advanced sensors (AS72651, AS72652, AS72653) into one compact system, providing 18 independent spectral channels covering wavelengths from 410nm to 940nm. Each channel has a 20nm full-width half-maximum (FWHM), making the module ideal for precise spectral fingerprinting, material analysis,...
The GY-95T AHRS 9-Axis Sensor Module is a compact, high-performance sensor system that integrates a 3-axis accelerometer, 3-axis gyroscope, and 3-axis magnetometer, providing accurate attitude and heading reference (AHRS) with tilt compensation. Supporting both UART (serial) and I²C communication, this module is easy to integrate into various applications...
The MH-Z19E CO₂ Sensor Module is a compact, intelligent gas detection sensor based on NDIR (Non-Dispersive Infrared) technology. Designed for high accuracy and long-term stability, it can measure CO₂ concentrations in the 400–5000 ppm range, making it suitable for air quality monitoring, ventilation control, and smart home systems.
Flexible thin force sensing resistor (FSR) with 30mm circular sensing area Detects applied force from 150g up to 20kg Resistance decreases as applied force increases (analog output) Ultra-thin design (0.45mm) with peel-and-stick backing for easy mounting Compatible with Arduino, Raspberry Pi, and microcontrollers via ADC Durable, cost-effective solution...
The TCS34725 RGB Color Sensor Mini Module is a compact, high-precision color sensing solution designed for projects that require accurate light and color detection. Based on the TCS3472 sensor chip, it can measure red, green, blue, and clear light intensity with excellent sensitivity and a wide dynamic range.
The MQ-138 Gas Sensor Module is a highly sensitive, low-cost solution for detecting formaldehyde (HCHO), volatile organic compounds (VOCs), and other harmful gases in indoor and industrial environments. Manufactured by Winsen Electronics, the MQ-138 uses a SnO₂ (tin dioxide) semiconductor sensing material, which changes conductivity in response to the...
The Digital Scale Weighting Kit is a complete DIY solution for building your own digital weighing scale. The kit includes a high-precision load cell and an HX711 amplifier module, providing accurate and stable weight measurements. Designed for hobbyists, students, and engineers, this kit is an excellent choice for projects that require reliable weight...
The HLK-LD2402 is a cost-effective 24GHz human presence sensing module developed by Hi-Link. Designed for indoor scenarios, it combines a highly integrated AIoT millimeter-wave radar SoC with intelligent human-body micro-motion detection algorithms. This module enables precise recognition of human presence, motion, and micro-movements in real time.
The 45 in 1 Sensor Module Kit for Arduino is a comprehensive learning and prototyping set designed for beginners, students, and makers interested in exploring electronics and programming. Building upon the classic 37-in-1 kit, this upgraded version adds even more practical modules such as a gyroscope, soil sensor, clock module, and SD card reader—enabling...
The SGP30 Air Quality Sensor Module is a high-precision digital multi-pixel gas sensor designed to measure total volatile organic compounds (TVOC) and equivalent CO₂ (eCO₂) concentrations in the air. Built using Sensirion’s CMOSens® technology, the SGP30 offers superior long-term stability, low drift, and high sensitivity — ideal for applications like air...
The TMP102 Digital Temperature Sensor Module is a high-precision, low-power temperature sensor designed for accurate and reliable thermal measurement in compact electronic systems. Featuring 12-bit resolution and I²C (TWI) digital communication, this module offers an easy and efficient way to measure temperature without requiring analog-to-digital...
The BNO080 9-Axis Motion Sensor Module is a high-performance IMU (Inertial Measurement Unit) that integrates a 3-axis gyroscope, 3-axis accelerometer, and 3-axis magnetometer into a single compact package. Designed for precise motion tracking, orientation sensing, and inertial navigation, it provides exceptional accuracy and stability for both dynamic and...
Supply voltage range from 4.75VDC to 5.25VDC. Temperature compensated over -40°C to 125°C. Pressure range from 0KPa to 10KPa. The sensitivity of 450mV/kPa.
MPX10DP Series Compression Resistant Transformer Series is a state of the art Monolithic silicone pressure sensor designed for a wide range of applications, but especially those who use a microcontroller or microprocessor with A / D input. The patented single-component transducer combines the advanced Micromachining techniques, thin metallization, and...
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The AS7341 is an advanced 11-channel multispectral color and light sensor, ideal for color analysis, ambient light monitoring, and spectral research.It measures light intensity across multiple wavelengths from 350 nm to 1000 nm, covering visible and near-infrared (NIR) regions, making it suitable for both color sensing and environmental light analysis.
The CCS811 Air Quality Sensor Module is a digital gas sensor that measures eCO2 (equivalent carbon dioxide) and TVOC (Total Volatile Organic Compounds) levels, allowing accurate air quality monitoring. It is widely used in air purifiers, HVAC systems, smart homes, and environmental monitoring projects.
Waterproof temperature sensor with DS18B20 probe, easily connects to Arduino, offers 9-12 bit readings, supports 3.0-5.5V systems for multipoint measurement.
