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 classic Arduino Nano is the smallest board to build your projects with. The Arduino Nano is a small, complete, and breadboard-friendly board based on the ATmega328 (Arduino Nano 3.x). It has more or less the same functionality of the Arduino Duemilanove, but in a different package. It lacks only a DC power jack, and works with a Mini-B USB...
M2x25 Self tapping Head Machine Screws made of durable Mild Steel (MS) Precision threaded for secure and stable fastening applications Self tapping head design ensures smooth finish and easy tool engagement Suitable for machinery, robotics, and electronic assembly projects Resistant to moderate wear and corrosion for long-lasting use For versatile...
USB load tester designed for checking charger and power bank output performance Adjustable discharge current between 1A and 2A for flexible testing needs Rated power 5W to 10W, simulating real load conditions Plug-and-play USB interface with convenient on/off switch control Durable ceramic resistor design ensures stable and long-term use Ideal for...
Compact LM386 Audio Amplifier Module for DIY sound projects Onboard LM386 chip with 200× gain circuit design Adjustable volume control via onboard 10K variable resistor Speaker wiring block supports 4–8 Ohm speakers Onboard power indicator for easy status monitoring Ideal for FM receivers, music modules, and custom audio systems
Small PCB mountable 12V active electromagnetic buzzer Great for adding audio alert to electronic designs Operates on 12V supply Uses a coil element to generate an audible tone
The Arduino Nano is the preferred board for many projects requiring a small and easy to use microcontroller board. The small footprint and low price, make the Nano Every particularly suited for wearable inventions, low cost robotics, electronic musical instruments, and general use to control smaller parts of a larger projects.Imported from DFrobotMade in...
M4x40 Round Head Machine Screws made of durable Mild Steel (MS) Precision threaded for secure and stable fastening applications Round head design ensures smooth finish and easy tool engagement Suitable for machinery, robotics, and electronic assembly projects Resistant to moderate wear and corrosion for long-lasting use For versatile applications and...
The SE9018 Solar MPPT Charging Module is a high-performance constant-current / constant-voltage lithium battery charging board designed for single-cell Li-ion or LiPo batteries.It integrates MPPT (Maximum Power Point Tracking) technology for efficient solar charging and supports both USB and solar panel input (DC 4.5–6V). Using an internal PMOSFET...
The BBC Micro Bit V2.21 is a compact, versatile single-board computer designed to inspire creativity and hands-on learning in coding, electronics, and robotics. At just half the size of a credit card, it’s packed with powerful features including motion sensing, Bluetooth communication, a 5x5 LED matrix, built-in speaker, microphone, and more.
Dual relay timing module for controlling two devices independently. Adjustable delay range from 0.01 seconds to 9990 minutes for precise automation. Bright LED display for easy configuration and real-time timing feedback. Operates on 24V DC input with support for AC/DC loads up to 10A. Features multiple modes including inching, delay, self-locking, and...
PCF8574 I2C I/O Expansion Module adds 8 extra digital I/O lines to MCU Expandable up to 8 modules (64 lines), or 16 with PCF8574A (128 lines) Compatible with 3.3V and 5V systems for wide MCU support Jumper-selectable I2C addresses (0x20–0x27) for multiple modules Quasi-bidirectional I/O with 25mA sink and weak pull-up source Interrupt output for real-time...
Passive buzzer that requires an electrical signal (PWM) to operate Can be used with the Tone() command on Arduino Compact and lightweight design Easy to use
The Arduino GIGA R1 WiFi is designed for ambitious makers who want to step up their game. It levels the playing field for gamers, artists, sound designers and anyone coming to the tech world with big ideas on a budget – because it packs advanced features into an accessible component, with the same form factor as our popular Mega and Due.
M4x35 Flat Head Machine Screws made of durable Mild Steel (MS) Precision threaded for secure and stable fastening applications Flat head design ensures smooth finish and easy tool engagement Suitable for machinery, robotics, and electronic assembly projects Resistant to moderate wear and corrosion for long-lasting use For versatile applications and...
Metal Battery Spring Terminal with Nickel-Plated Finish for superior conductivity Ideal for AA, AAA, 18650, 14500 and other cylindrical batteries Made from high-quality steel and copper for stable electrical contact Compact 10×9×0.3mm plate design ensures easy mounting and reliable fit Suitable for DIY battery packs, electronic prototypes, and repair...
XH-M203 Automatic Water Level Controller for tanks, pools, and reservoirs Fully automatic pump control — switches ON/OFF based on water level detection Dual-probe system for accurate high and low-level sensing Built-in 10A relay output compatible with AC/DC pumps and valves Operates on a wide voltage range (12V–40V) for flexible applications LED...
AT24C256 I2C EEPROM memory module with 256Kb (32KB) storage capacity Supports I2C interface with easy integration for Arduino and other MCUs Onboard 8-pin IC socket for pluggable AT24C256 chip upgrades Includes address input pins and write-protect jumper for flexibility Wide operating voltage range up to 6.25V DC, robust temperature tolerance Compact...
This All-in-One Starter Kit for Arduino is designed to help beginners learn electronics and programming quickly and easily. With 15 built-in sensors, 21 hands-on lessons, and a simplified Common Board Design, this kit removes the need for breadboards, jumper wires, or soldering. Just plug in, upload your code, and start experimenting.Brand: Elecrow
M2x16 Self tapping Head Machine Screws made of durable Mild Steel (MS) Precision threaded for secure and stable fastening applications Self tapping head design ensures smooth finish and easy tool engagement Suitable for machinery, robotics, and electronic assembly projects Resistant to moderate wear and corrosion for long-lasting use For versatile...
30×11mm Nickel-Plated Battery Spring Plate Connector for reliable electrical contact Compatible with AA, AAA, 18650, 14500 and other cylindrical batteries Constructed from steel and copper with nickel coating for corrosion resistance Ideal for battery holders, DIY battery packs, and power modules Provides stable positive and negative terminal connections...
Green Laser Module Cross 520nm for precise cross-line projection 520nm wavelength with output power less than 5mW Projects bright and sharp green cross laser pattern Compact 12x35mm cylindrical design for easy mounting Ideal for alignment, positioning, and calibration tasks Suitable for CNC, robotics, and industrial applications
RJ45 CAT6 Modular Connector with plastic guide for easy installation Designed for round Cat6 network cables, supporting Gigabit Ethernet Plastic guide ensures precise wire alignment and consistency Durable construction resists corrosion for long-lasting performance Requires crimping tool for secure professional-grade terminations Ideal for home, office,...