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.
This USB 32-channel servo control board is based on the ATmega328P microcontroller and is fully compatible with the SSC-32 protocol. It allows you to easily control up to 32 servos using UART or USB-to-TTL communication. The board supports direct use with Arduino, robotic arms, hexapod (spider) robots, and other smart control systems.
24 GHz mmWave Radar Sensor: Tracks up to 3 moving targets with precise motion localization. Compact Design: Ultra-small size (15mm x 44mm) for versatile applications in smart devices. High Precision: Detects motion, distance, angle, and speed with advanced FMCW radar technology. Environmental Adaptability: Functions reliably in varying conditions,...
High-Precision Detection: Detects up to 8 individuals simultaneously with accurate trajectory tracking. Versatile Applications: Ideal for smart homes, human positioning, and motion tracking. Compact Design: Measures only 60mm x 30mm for seamless integration. Efficient Power Usage: Operates on 5V with an average power consumption of 1.1W. Extended Range:...
This 65×26 mm yellow wheel with rubber tire is designed for smooth and reliable motion in robotics and DIY vehicle projects. The tire is made from high-quality rubber that provides excellent grip, while the inner white adhesive layer ensures a firm bond between the tire and the wheel hub for long-term durability.
The 66 × 18 mm Robotic Rubber Tyre Wheel is specially designed for BO motors, making it a reliable choice for small robotic vehicles and educational projects. This wheel plays a key role in the wheel-and-axle mechanism, helping robots move smoothly while supporting light loads with stability.
This single-axis long U-shaped metal servo bracket is a sturdy and versatile mounting solution for building robotic arms, pan-tilt systems, and mechanical linkages. Made from high-strength metal, it provides excellent rigidity and precise alignment for servo-based motion control projects.
Low-cost HW-488 Infrared Obstacle Avoidance IR Sensor Module for robotics and automation projects Detection distance adjustable between 2cm and 40cm with dual potentiometer control Works with Arduino, Raspberry Pi, and other microcontrollers (3V–6V operating voltage) Active LOW TTL output with onboard status LED for real-time obstacle indication Compact...
Detects collisions or travel limits in robotic and automation projects Ideal for robotic vehicles, 3D printers, CNC machines, and DIY automation Integrated LED indicator lights up when the switch is engaged Works with both 3.3V and 5V logic systems for wide compatibility Pre-mounted microswitch with lever for reliable detection Compact, lightweight, and...
High-precision ultrasonic distance measurement up to 450cm (15ft) Operates at 40kHz with ±2mm accuracy for reliable readings ±15° field of view for wide detection coverage 5V operation, compatible with Arduino, Raspberry Pi, and other microcontrollers Enhanced precision compared to HC-SR04 with better stability Ideal for robotics, automation, and obstacle...
Upgraded 2021 version of HC-SR04 with advanced communication modes Wide input voltage range: 2.8V – 5.5V, compatible with 3.3V & 5V systems Supports four communication modes: GPIO, I2C, 1-Wire, and UART High-precision distance measurement: 2cm to 400cm with stable performance Easy jumper configuration for selecting communication modes Ideal for...
Compact fingertip heart rate sensor with built-in amplification and noise filter Operates with both 3.3V and 5V systems for wide compatibility Simple breadboard-friendly interface with pre-soldered leads and pin Detects heartbeat signals reliably for biomedical and wearable projects Ideal for Arduino, Raspberry Pi, and microcontroller applications...
Plug-and-play heart rate sensor kit for Arduino and other microcontrollers Includes sensor, ear clip, Velcro strap, protective dots, and DuPont cable Compatible with Arduino, Raspberry Pi, micro:bit, Particle, and more Open-source with free Arduino and Processing code for real-time pulse graphs Compact, lightweight, and ideal for health, fitness, and...
High-power 5mm infrared LED with 940nm wavelength for remote control & night-vision use Widely compatible with TVs, cameras, sensors, and IR communication systems Narrow 20° beam angle for focused and long-distance IR transmission Reliable, efficient, and easy to integrate into electronics projects Ideal for DIY remote controls, robotics, and...
Digital temperature sensor module based on DS18B20 IC Measures from -55°C to +85°C with reliable accuracy 1-Wire communication interface saves microcontroller pins Built-in LED indicator for communication status Compatible with both 3.3V and 5V systems Easy integration with Arduino and other microcontrollers using available libraries
3D time-of-flight camera module with RGB capabilities Resolution of 320×240 and an inertial measurement unit (IMU) Acquires all RGB-D data through a USB cable Seamless previewing of depth maps, point cloud data, and real-time colorful 3D rendering Linux compatibility out-of-the-box Supports ROS1 and ROS2 Python SDK provided
High-precision GY-US42 V2 ultrasonic distance measuring module with I2C interface. Wide measurement range from 20cm to 720cm with 1cm resolution. Compatible with Pixhawk, APM, and other flight controllers. Low power consumption (9mA @ 5V) ideal for drones and robotics. Fast response rate up to 15Hz for real-time obstacle detection. Durable design with...
ENS160 + AHT21 integrated sensor for CO₂, eCO₂, TVOC, temperature & humidity monitoring Detects multiple harmful gases including toluene, hydrogen, ethanol, NO₂, and ozone High-performance digital output for accurate indoor air quality analysis Ideal for smart home, building automation, and air purification systems Compact and lightweight module for...
LPB40B IP65 DToF Single-Point LiDAR sensor with 0.05m–40m detection range ±5cm high accuracy with stable performance even in 100klux sunlight Adjustable measurement frequency: 1–2000Hz for high-speed applications IP65-rated dustproof and waterproof design for indoor & outdoor use UART interface for seamless integration with Arduino and other...
Waterproof R503 Capacitive Fingerprint Sensor with LED indicator Stores up to 200 unique fingerprints for reliable access control Wide detection range with high accuracy and fast response time Easy installation with nut design and 6-pin interface (Tx, Rx, VCC, GND, etc.) Compatible with Arduino, ESP32, PIC, and other microcontroller platforms Ideal for...
Commercial-grade waterproof ultrasonic distance sensor (IP67) Wide measuring range: 3cm to 450cm with high accuracy UART communication interface for easy integration with microcontrollers Smaller blind zone and wider sensing angle than typical sensors Reliable operation even in smog, dust, or harsh environments Ideal for outdoor distance measurement and...
Optical PM2.5 dust and smoke detection module with adapter for Arduino Infrared LED and phototransistor design for high particle sensitivity Accurately detects fine particles, including cigarette smoke Differentiates between smoke and house dust by output pulse patterns Compact, lightweight module ideal for DIY, IoT, and air quality projects Easy Arduino...
Optical UART Serial Fingerprint Recognition Sensor for secure biometric authentication Supports UART TTL communication, ideal for Arduino and microcontroller projects Includes adapter board and 6-pin cable for easy integration and wiring High-precision optical sensing ensures reliable fingerprint capture and matching Suitable for safes, drawers, doors,...
Precise Line Following: Navigate black lines on white surfaces with 8 high-resolution sensors. Easy Microcontroller Integration: Connect directly to your microcontroller with digital outputs. Fast and Responsive: Achieve accurate line following even at high speeds. Simple Calibration: Calibrate sensors quickly and easily with a large knob. Versatility:...
Digital temperature & humidity sensor for Arduino, Raspberry Pi & microcontrollers Temperature range: 0°C to 60°C with ±2°C accuracy Humidity range: 20%RH to 90%RH with ±5%RH accuracy Operates at 5V with stable digital output Compact design (28×12×8mm) with mounting hole for easy installation High reliability & long-term stability for...
Compact PIR infrared motion sensor for automated lighting control Detects human body temperature within 4–6m range, 120° sensing angle Built-in 45-second delay for energy-saving operation Wide AC input range (AC85–265V) with 3W–40W load support Compatible with LED ceiling, panel, downlights, energy-saving and bulb lamps Ideal for corridors, garages,...
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Infrared beam interruption sensor with 0–50 cm detection range Features a 3mm IR LED with a narrow 10° illumination angle Operates on 3.3V–5V, compatible with Arduino & microcontrollers Fast 2 ms response time for accurate object detection Open-collector output with pull-up resistor support Ideal for measuring gates, counters, automation &...
Voltage detection sensor module for measuring up to 25V DC using Arduino or microcontrollers Based on resistive voltage divider principle with secure screw terminal connections Expands Arduino’s 0–5V analog input range to 0–25V for accurate voltage monitoring High resolution of 0.00489V per step with 10-bit ADC support for precise readings Compatible with...
Compact 0.28" dual LED display for simultaneous voltage and current readings Measures DC voltage from 0–100V and current from 1–100A with included 100A shunt Operates on 5V DC supply with low current consumption (<60mA) Bright, easy-to-read digits even in low light environments Dual wiring harness for simple installation and accurate measurement...
Turns almost any surface into a powerful speaker Large 50mm surface transducer with strong vibrations Nominal input 10W, maximum input up to 25W Wide frequency response with resonance as low as 58Hz Includes adhesive magnet for secure mounting Compact, portable design with 4Ω impedance
