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.
M3 x 8mm diameter flat head machine screws Coarse thread size with 0.50mm pitch for secure fastening Made from durable A2/18-8 mild steel Conforms to DIN 965 / ISO 7046 standards Ideal for precise and flush surface fastening
FPC1020A is a secondary development module for fingerprint recognition designed for SCM. Fingerprint identification capacity: 150 fingerprints, identification time is less than 1 second, can be customized large capacity Capacitive surface array semiconductor fingerprint sensor Support finger 360 rotation recognition Supported Operating Systems: Windows
Voltage: 3.0 V – 5 V. Driver: APC circuit. Line length: about 135 mm. Transmit power: 58mW. Operating Current: 40mA. Operating Current: 40mA. Operating temperature: -36◦C ~ 65◦C.** We've received reports from some customers that they were unable to make the product work. To avoid any inconvenience, we suggest that you refrain from making a purchase...
This is a high-power USB-C PD fast-charging buck converter module with a DC5521 output connector (2.1 mm inner diameter). It supports multiple fast-charging protocols and automatically negotiates voltage with compatible USB-C PD power sources.
The ESP32-S3 SuperMini Development Board is a compact, high-performance, and low-power IoT board designed for next-generation connected devices. Built around the ESP32-S3 dual-mode Wi-Fi and Bluetooth 5 (LE) chip, this board delivers excellent wireless performance, rich interface support, and advanced security features in an ultra-small form factor.
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The STM32F746G-DISCO Discovery Kit is a feature-rich development board designed to showcase the power of the STM32F746NGH6 microcontroller with an ARM Cortex-M7 core running at up to 216 MHz. Equipped with a 4.3-inch capacitive touchscreen LCD (480×272), built-in audio, Ethernet, USB, and camera support, this kit provides everything you need to develop...
LTC4150 Coulomb Counter Module for accurate battery charge monitoring Measures real-time charge and discharge current flow Pulse output (INT) for precise coulomb counting Polarity detection (POL) for charge/discharge indication Wide operating voltage: 2.7V – 8.5V DC Ideal for Li-Ion, NiMH, NiCd battery systems
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Compact 5V 650nm red laser dot diode module with copper head design Features an onboard triode current amplifier for MCU compatibility Extremely low signal pin current consumption (only 1.3mA) Stable working voltage range: 4.75V–5.5V with max 20mA operating current Produces a clear and bright red dot (650nm wavelength) Ideal for DIY electronics,...
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5 In 1 Portable CO2 Detector Air Quality Detector Intelligent Air Detector Temperature and Humidity Sensor Carbon Dioxide Monitor TVOC Formaldehyde Detection HCHO Detector Color Black
This version of the USB-C PD fast-charging buck converter module features a DC5525 output connector (2.5 mm inner diameter). It is designed for devices that require a slightly larger DC plug while maintaining high power and efficiency.
The STM32F072 Discovery Kit is a versatile development board based on the STM32F072RBT6 microcontroller, equipped with an ARM Cortex-M0 core running at 48 MHz. With 128 KB Flash and 16 KB SRAM, this kit is an excellent entry point into the STM32 family, providing developers with the tools to explore ARM Cortex-M0–based systems.
Mini UPS board designed for routers and small electronics with up to 47.5W total output Offers four output ports: 12V, 9V, and 5V for multi-device compatibility Built-in protection against short circuit, high voltage, polarity, and thunder Supports 3S LiPo 18650 battery with intelligent battery management ±0.05V voltage tolerance and 99% output accuracy...
Multi-Purpose Tape: 3M VHB tape replaces screws, rivets, and messy adhesives, perfect for invisible bonding. Strong Double-Sided Adhesion: Holds firmly to smooth surfaces including glass, metal, plastic, wood, and more. Flexible & Stretchable: Stretches without breaking, ensuring a long-lasting hold even in high-stress applications. Easy Application...
The smallest 802.11b/g/n Wi-Fi SoC module Uses low power 32bit CPU and compatible with the application processor Main frequency up to 160MHz Built-in 10Bit high precision ADC Support UART/GPIO/PWM/ADC interface Integrate Wi-Fi MAC/BB/RF/PA/LNA
The ESP32 Lite V1.0.0 Development Board is a compact and cost-effective WiFi + Bluetooth solution based on the ESP32 Rev1 chip. With 4MB Flash memory, integrated RF antenna, and dual-mode Bluetooth, this board delivers strong wireless performance for IoT, smart home, and embedded projects.
High Bond Tape: 3M VHB double-sided tape for secure, near-invisible mounting solutions. Versatile Surface Bonding: Sticks to glass, metal, plastic, tile, wood, marble, and more. Easy Installation: Simple peel-and-stick application; leaves no mess or residue. Flexible & Durable: Stretches without breaking, maintaining a strong hold even under stress.
3.5mm male mono plug designed for DIY audio connections Durable plastic and metal construction for long-lasting use Straight solderable connector for secure custom wiring Compact design (approx. 50mm length, 3.5mm diameter) Compatible with microphones, earphones, PCs, and AV devices Ideal for custom repairs and DIY electronics projects
High-performance LR7843 N-channel MOSFET module with optoisolation Ultra-low 3.3mΩ Rds(on) for efficient high-current switching Supports up to 15A continuous load with minimal heat generation Directly compatible with 3.3V and 5V logic (Arduino, ESP32, STM32, Raspberry Pi) Compact PCB with secure screw terminals for easy integration Ideal for motor...
The Arduino Nano R4 without headers brings the robust performance of the RA4M1 microcontroller into the beloved Nano form factor, offering a compact and production-ready solution for embedded development, industrial automation, and custom hardware design.
2×40 right-angle male Berg strip connectors. Breakable to custom lengths for various applications. Ideal for custom PCBs and prototyping. Gold contact material for reliable connections. Through-hole mounting with 2.54mm pitch.
2.42-inch OLED display module with sharp 128×64 pixel resolution Powered by the SSD1309 driver IC with SPI communication (7-pin interface) Wide compatibility with Arduino, Raspberry Pi, STM32, ESP32, Jetson Nano Ultra-narrow bezel and compact design, ideal for graphical projects Onboard voltage translator ensures stable performance at 3.3V Crisp white...
IRF520 N-channel MOSFET driver module for high-power load control Handles up to 24V DC and 5A load current efficiently Compatible with 3.3V/5V logic signals from Arduino, ESP32, STM32, Raspberry Pi Features screw terminals & pin headers for easy connections Supports PWM output control for motors, LED strips, pumps, and solenoids Compact PCB with...
