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.
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Reliable Connections: Ensure stable current transmission with high-quality processing and corrosion-resistant materials. Durable Construction: Built with nickel-plated brass for long-lasting performance and conductivity. Low Signal Loss: High-purity copper conductor minimizes signal loss for efficient data transfer. Compact and Portable: Lightweight...
Compact mechanical decade counters bundled in a set of 5 with end caps Each counter features two buttons – up and down counting Counts from 0–9 and resets back to 0 automatically Snap-together design allows flexible configurations Includes PCB with 11 contacts for easy interfacing (1 common + 10 outputs) Ideal for DIY electronics, robotics, test...
High-Efficiency Filtering: Classic LC filter design effectively reduces noise from DC power supplies, eliminating ripple interference and enhancing FPV video clarity and stability.
D-Robotics SC230AI Ultra-Wide Angle Binocular Depth Camera Module For RDK X5, Dual 2MP Color Cameras, Stereo Vision, Depth Vision SC230AI with SmartClarity-2 Dual 2MP, 178° FOV Fast depth via BPU For AI vision RDK X5 compatible
Arduino PLC IoT Gateway USR-EG118 powered by ESP32-WROVER-E dual-core 240MHz MCU Supports RS485/RS232, Ethernet, Wi-Fi & BLE 4.2 for full industrial connectivity 4MB PSRAM + Up to 8MB SPI Flash for stable IoT data processing Compatible with Arduino IDE & ESP-IDF for fast and flexible development Multiple network modes (AP, STA, AP+LAN, AP+WAN) for...
Type-C USB 5V 1A Boost Converter for power bank and portable charging applications. Supports 3.7V–5.5V input and boosts to a stable 5V output at 1A current. Integrated charging/discharging management with overcharge, over-discharge, and overcurrent protection. LED indicators for real-time charging and discharging status. Supports up to four 18650...
Male 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
The Siemens LOGO! 12/24RCE is a compact and powerful logic module designed for small automation tasks in industrial, commercial, and building control applications. Featuring integrated Ethernet connectivity, a built-in display, and advanced web and cloud functions, it offers high flexibility in a space-saving form factor.
The XY-HXC DC-DC Buck Converter Module is a high-efficiency step-down power supply designed for applications requiring adjustable constant voltage (CV) and constant current (CC) output. With a wide input range of 5–36V and an adjustable output range of 1.25–32V, this module is perfect for powering DIY electronics, charging batteries, and supplying...
The ESP32-C3FH4 Development Board is a powerful and versatile IoT module designed for smart home, wearable, and industrial applications. Built around the RISC-V single-core processor running at 160 MHz, this board delivers reliable performance with ultra-low power consumption. It features dual wireless connectivity—WiFi (2.4GHz) and Bluetooth 5.0—for...
The Sipeed Tang Primer 20K FPGA Development Kit is a high-performance, feature-rich FPGA learning and development platform powered by the Gaoyun GW2A-LV18 FPGA chip with 20K LUT4. This full-function package (Package Four) includes the 20K core board, docking board, essential accessories, and multiple interface options, making it an ideal choice for FPGA...
Lithium Battery Level Indicator Module compatible with 1S to 8S batteries Operating voltage range: 3V to 34V with real-time battery status display Displays up to 4 bars based on battery voltage for intuitive power indication Compact design (44 x 20 x 7 mm) with reverse connection protection Suitable for lithium batteries, NiMH batteries, lead-acid, and...
Male 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
This is one open-source Geiger Counter project which could be used to detect nuclear radiation. The schematic and code and other helpful files are listed in this package. All the codes are designed and tested on this kit, these materials are useful for DIY Geiger Counter Kit Nuclear Radiation Detectors or Radiation Monitoring Stations. Note: The kit comes...
The LOGO! 230RCE is a compact and powerful logic module designed for small automation tasks where 115 V / 230 V AC power supply is required. It combines a built-in display, Ethernet connectivity, and advanced web and cloud features, making it ideal for modern control, monitoring, and IoT-enabled applications.
The MT3608 Type-C Step-Up Boost Converter Module is a compact and efficient DC-DC voltage regulator designed to step up (boost) low DC voltages to higher, stable outputs. Featuring a USB Type-C power input, it offers convenient connectivity for modern devices and projects.
The ESP32 Development Board Pro by YwRobot is a feature-rich and stable development platform based on the ESP32-WROOM-32D module. Designed for makers, students, and professionals, it provides extended IO expansion, reliable power management, and supports multiple programming environments such as Arduino IDE, ESP-IDF, and MicroPython.
The Nuvoton N76E003AT20 Development Board is a compact and powerful 8-bit 8051-based microcontroller board designed for embedded system development, learning, and rapid prototyping. Built around the N76E003AT20 MCU, this board operates at 16MHz and offers 18KB Flash memory, 1KB RAM, multiple communication interfaces, and rich GPIO expansion via 2.54mm pin...
Doublepow DP-UK41 4-slot intelligent battery charger for multiple Li-ion batteries Supports 18650, 26650, 18500, 14500, 16340, and 10440 Li-ion battery sizes USB-powered with a full charge indication system (red for charging, blue for full charge) Charging output: DC4.2V, with 750mA for 1 slot and 400mA for 4 slots simultaneously Compact and lightweight...
Male 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
Onboard Module: ESP8266 wifi module; in AP mode it can connect with 5 Clients at the same time Operating Way: cellphone carried on wifi module; cellphone and wifi module carried on the same router, and use the APP to control relay Transmission Distance : 400m (max) Relay : 5V,10A/250V AC 10A/30V DC Baud Rate: 9600. Diode effusion protection; Short...