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.
MCP4725 precision 12-bit DAC module with I2C interface Provides true analog voltage output (4096 steps resolution) Rail-to-rail single channel output, up to 25mA drive current Built-in EEPROM saves output settings during power cycle Fast 6µs output settling time for responsive applications 3.3V and 5V logic compatible, easy to integrate with Arduino/MCUs
8-channel 10-bit Analog to Digital Converter (ADC) IC Compatible with Raspberry Pi and other microcontrollers via SPI Converts analog sensor signals to digital data with high accuracy Breadboard-friendly DIP package for easy prototyping Ideal for sensors like LM35, LDR, potentiometer, and thermistors Requires only 4 pins for communication, with Python...
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The head of the cables is stronger, Don’t worry it will easy to fall. Use for Arduino Or other kinds of circuit experiment. High quality and in good working condition Durable and reusable Easy to install and use
The ESP32-C6-N8 Development Board is a compact and powerful IoT development platform based on the ESP32-C6 chip. It integrates Wi-Fi 6 (802.11ax), Bluetooth LE, and Zigbee/Thread (802.15.4) in a single SoC, making it ideal for next-generation smart home, industrial IoT, and low-power wireless applications.
ESP32-C3-LCDkit is an evaluation development board based on ESP32-C3-Mini-1 chip and SPI interface display. The development board is equipped with a rotary encoder switch, which can realize screen interaction, with Bluetooth and WiFi functions, and supports audio playback and infrared wireless control. With its low cost, low power consumption, and...
M2x10 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...
The 2.4 Inch TFT LCD Touch Display Module (MAR2406) is a full-color, high-resolution display module designed for Arduino UNO and Mega2560 boards. Featuring the ILI9341 driver, it offers a 320x240 pixel resolution, 65K RGB color depth, and a resistive touch panel, making it perfect for creating graphical user interfaces and interactive embedded projects.
W25Q64JV 64M-bit (8MB) serial flash memory module with SPI interface Organized as 32,768 pages × 256 bytes for flexible data storage High-speed SPI interface with clock rates up to 133MHz Operates at 3.3V (use level shifters with 5V MCUs) Compact design with onboard power LED and 2K current limiting resistor Ideal for storing audio, images, sensor logs,...
This ESP32-C5 development board is a high-performance wireless MCU platform supporting dual-band WiFi 6 (2.4 GHz & 5 GHz), Bluetooth 5 (LE), and IEEE 802.15.4 (Zigbee/Thread). It is suitable for next-generation IoT, smart home, industrial control, and wireless gateway applications.
The LiitoKala Lii-M4 is a versatile 4-slot smart battery charger designed for users who need reliable charging, capacity testing, and real-time monitoring of multiple battery types. Compatible with Li-ion, Ni-MH, and Ni-Cd cells, it supports popular sizes including 18650, 21700, 26650, AA, and AAA.
The UNO Mini is a compact, fully functional version of the classic UNO-style development board. Designed for users who prefer a smaller footprint without sacrificing compatibility, this board maintains the familiar layout, pin functions, and microcontroller features of the traditional UNO. Despite its size, the UNO Mini delivers the full performance of an...
VS1053 MP3 Recording Module with real-time OGG encoding support Supports multiple audio formats including MP3, WAV, and MIDI SPI interface for easy microcontroller integration Onboard microphone, line-in input, and stereo headphone output TF (microSD) card slot for audio storage and playback Ideal for MP3 players, voice recorders, and embedded audio systems
D4184 N-channel MOSFET module with optoisolation for safe switching Low Rds(on) of 8.5mΩ for efficient power handling Supports 2.5V–20V logic input and 6–36V output switching voltage Handles up to 10A continuous current, 20A+ peak with PWM Compatible with 3.3V and 5V microcontrollers (Arduino, STM32, ESP32) Compact 35 × 16 × 14mm module ideal for...
TIP120 NPN Darlington transistors, ideal for medium to high-power control Handles up to 60V, 8A peak current, and 5A continuous current High DC gain of ~1000 for efficient amplification and switching BCE pinout for straightforward circuit integration Perfect for driving motors, solenoids, relays, and high-power LEDs Pack of 3 transistors for versatile use...
The Mini ESP32 NeoPixel LED Driver Board is a compact and powerful controller designed for driving addressable RGB and RGBW LED strips such as NeoPixel and other WS2812 compatible LEDs. It is based on the classic ESP32 module, providing strong WiFi and Bluetooth connectivity along with excellent compatibility with WLED and other ESP32 based firmware.
The Arduino Nano Green Board Edition is a compact, breadboard-friendly microcontroller board based on the ATmega328P, designed to deliver reliability and performance very close to the original Arduino Nano. Built using high-quality components and a stable USB interface, it is ideal for prototyping, embedded systems, DIY electronics, robotics, and...
2-pin magnetic pogo pin connector designed for efficient DC power transfer Features 2.54mm pitch spacing for standard PCB compatibility Spring-loaded gold-plated contacts ensure secure, low-resistance connection Ideal for charging docks, communication devices, and precision electronics Rated for 12V and up to 2A current for stable power transmission
IRLZ34N N-Channel MOSFET rated at 55V and 30A continuous current Logic-level gate, compatible with 3–5V microcontrollers (Arduino, ESP32, etc.) Very low Rds(on): 35mΩ @ 16A, 10V for efficient switching Supports up to ±16V gate-source voltage and 68W power dissipation Wide operating temperature range: -55°C to +175°C Ideal for controlling high-power loads...
USB Driver: Original CH340 Driver Operating Voltage (logic level): 5V With Mini USB 8 analog inputs ports: A0 ~ A7 14 Digital input / output ports: TX, RX, D2 ~ D13 1 pair of TTL level serial transceiver ports RX / TX Using Atmel Atmega328P-AU MCU There is a bootloader installed in it Standard 0.1” spacing DIP (breadboard friendly). Manual reset switch....
Simplify your prototyping and wiring with the Screw Terminal Shield for Arduino Uno—a versatile expansion board designed to make component integration effortless. This shield allows you to easily connect sensors, modules, and other devices using secure screw terminals or standard DuPont-style jumper wires, offering maximum flexibility for your project...
3-pin magnetic pogo pin connector with 2.54mm spacing for DC power and data transfer Features gold-plated spring-loaded contacts for high conductivity and reliability Supports up to 12V / 2A operation for stable low-voltage power delivery Compact 2.54mm pitch design suitable for mobile, automotive, and communication devices Provides secure, automatic...
MicroSD card module for reading and writing data Operates at 3.3V logic, SPI bus compatible Ideal for data logging and large data storage projects Requires level shifters when used with 5V MCUs (e.g., Arduino Uno) Typical current draw: 15–30mA (read), up to 100mA (write) Compact and easy to integrate with Arduino, STM32, and ESP32
LD1117-3.3 linear voltage regulator in TO-220 package Provides clean, regulated 3.3V output from 4–15V input Supports up to 800mA output current with proper heat sinking Low dropout (~1V) compared to classic 780X series regulators Built-in current limiting and thermal shutdown protection Widely used in electronics for powering 3.3V logic circuits and MCUs
