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 ESP32-DEVKITC-VE from Espressif Systems is a high-performance evaluation and development board designed for advanced RF, RFID, IoT, and wireless applications. Powered by the ESP32-WROVER-E module, it integrates an Xtensa® dual-core 32-bit LX6 microprocessor running at up to 240 MHz, making it ideal for demanding embedded projects.
The LGT8F328P MiniEVB 3.3V Development Board is designed for low-power and battery-operated projects where 3.3V logic is required. Fully compatible with the Arduino ecosystem, this board offers the same footprint as the Arduino Pro Mini but with an enhanced LGT8F328P MCU for improved speed and efficiency.
Doublepow DP-UK21 dual-slot USB quick charger for 3.7V Li-ion batteries. Independent charging channels for simultaneous and balanced battery charging. Smart LED indicators show charging and full status in real time. Equipped with overcharge, short-circuit, and reverse polarity protection for safety. Compatible with 26650, 21700, 18650, 16340, 14500, and...
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Female to female threaded for secure PCB and machine board mounting Hex head design allows for easy tightening with a wrench Ideal for creating space between circuit boards Brass construction offers durability and corrosion resistance Available in 10mm length with M3 threads
Converts standard ATX PC power supplies (20/24 pin) into a versatile bench power source Provides stable +3.3V, +5V, +12V, -12V, and 5VSB outputs for electronics projects Six USB ports deliver 5V at up to 2.1A each for powering devices and charging Onboard power switch for convenient ON/OFF control LED indicators for each voltage rail ensure quick status...
8-Megapixel native resolution high-quality Sony IMX219 image sensor Cameras are capable of 3280 x 2464 pixel static images Capture video at 1080p30, 720p60 and 640x480p90 resolutions All software is supported within the latest version of Raspbian Operating System No Infrared filter making it perfect for taking Infrared photographs or photographing objects...
The LGT8F328P Development Board – CH340 – Type-C is a powerful and cost-effective alternative to the Arduino Nano, offering enhanced performance while maintaining full compatibility with the Arduino IDE. Built around the LGT8F328P microcontroller, this board provides higher speed, a 12-bit ADC for more precise analog measurements, and an integrated DAC...
Doublepow AAA Ni-MH rechargeable batteries with 1100mAh capacity and 1.2V output. Eco-friendly design supporting up to 1000 recharge cycles for long-term use. Low self-discharge and no memory effect ensure consistent, reliable performance. Provides stable power for remotes, cameras, toys, flashlights, and more. Built-in short-circuit protection enhances...
Female to female threaded for secure PCB and machine board mounting Hex head design allows for easy tightening with a wrench Ideal for creating space between circuit boards Brass construction offers durability and corrosion resistance Available in 15mm length with M3 threads
5V humidity sensitive relay module with adjustable threshold Automatically switches devices ON/OFF based on humidity levels Built-in potentiometer for precise humidity control settings Compact and easy-to-use module for automation projects Ideal for exhaust fans, misting systems, greenhouses, aquariums Reliable performance with simple power and load...
A slip ring is an electromechanical device that allows the transmission of power and electrical signals from a stationary to a rotating structure. A slip ring can be used in any electromechanical system that requires rotation while transmitting power or signals. It can improve mechanical performance, simplify system operation and eliminate damage-prone...
Fixed focus lens on-board Improved resolution – 8-Megapixel native resolution sensor-capable of 3280 x 2464 pixel static images Supports 1080p30, 720p60 and 640x480p90 video Size 25mm x 23mm x 9mm Weight just over 3g Connects to the Raspberry Pi board via a short ribbon cable (supplied) Camera v2 is supported in the latest version of Raspbian, Raspberry...
The BQ25185 charger board is a compact power management solution designed for single-cell lithium-ion or lithium-polymer batteries. It supports charging from USB Type-C, DC input, or solar panels and includes an onboard 3.3V buck converter, allowing projects to run directly from the battery without requiring a separate regulator board.
The STM32 NUCLEO-L011 is a compact and ultra-low-power development board based on the STM32L011K4T6 microcontroller, featuring a 32-bit ARM Cortex-M0+ core running at 32 MHz. Designed for efficiency and flexibility, it comes with 16 KB Flash memory, 2 KB SRAM, and support for multiple interfaces such as I²C, SPI, USART, and UART.
3x1 cell spacer/bracket for securely mounting three 18650 lithium batteries. Ensures firm connection and solid structure for battery pack assembly. Made of high-quality ABS material, offering durability and lightweight design. Ideal replacement for adhesive-based battery pack methods Suitable for DIY projects, battery maintenance, and custom battery pack...
Female to female threaded for secure PCB and machine board mounting Hex head design allows for easy tightening with a wrench Ideal for creating space between circuit boards Brass construction offers durability and corrosion resistance Available in 20mm length with M3 threads
All-in-one multifunctional Arduino shield with onboard sensors and modules Includes IR remote control for wireless interaction and real-time testing Features temperature sensor, LEDs, buzzer, potentiometer, buttons & 4-digit display Simplifies learning by eliminating complex wiring and separate components Compatible with Arduino UNO and similar...
Onboard precision microcurrent transformer. Onboard sampling resistor. The module can measure AC currents less than 5A, the corresponding analog output 5A/5mA. Rated input current: 5A Rated output current: 5mA Change: 1000: 1 The linear range: 0 ~ 10A (100 ohms) Linearity: 0.2%
Connects PCBs: Ideal for creating secure connections between PCBs (Printed Circuit Boards). Standard Pitch: 2.54mm pitch ensures compatibility with various components. Easy Integration: Single row of 40 female pins simplifies assembly. Durable Construction: Made with high-quality phosphor bronze for reliable connections.
The BQ25185 charger board is a compact power management solution for single-cell lithium-ion or lithium-polymer batteries. It supports charging from USB Type-C, DC input, or solar panels and includes an onboard 5V boost converter to power 5V electronics directly from a battery.
RP2350 microcontroller chip designed by Raspberry Pi in the United Kingdom Adopts unique dual-core and dual-architecture design: dual-core Arm Cortex-M33 processor and dual-core Hazard 3 RISC-V processor, flexible clock running up to 150 MHz 520KB of SRAM, and 4MB of onboard Flash memory Onboard CH9120 with integrated TCP/IP protocol stack 14 ×...
Docreate Farad Capacitor Portable Mini Spot Welder 3000F with 120 adjustable power levels Dual 2.7V 3000F capacitors ensure strong and stable welding output LCD display for real-time voltage and welding parameter monitoring Supports 0.1–0.3mm nickel strip and stainless steel spot welding Intelligent temperature monitoring and delay control for safe...
Female to female threaded for secure PCB and machine board mounting Hex head design allows for easy tightening with a wrench Ideal for creating space between circuit boards Brass construction offers durability and corrosion resistance Available in 25mm length with M3 threads
Baud rate: 300 – 9216000bps, automatically detecting the serial signal data rate Load capacity: support multipoint, each converter allows RS485 interface device to connect 32 Interface Protection: TVS tube protection, USB self-recovery protection Support Windows98/ME/2000/XP/WIN7/Vista, Linux, Mac It can be up to 32 devices on the bus.
Type: CJMCU MINI USB AMS1117 MINI USB interface input 5V MINI USB outputs 5V and 3.3V DC power socket interface input 5V – 12V. DC power outlet output (5V label) 5V and 3.3V Weight: 2 gm.
