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.
150W electronic load tester for DC power adapters and USB supplies Measures voltage, current, power, and battery capacity with precision Supports adjustable current for accurate voltage/current testing Independent DC input port for flexible operation Compact design with easy-to-use settings and controls Ideal for testing, aging, and monitoring power...
Rechargeable lithium ion battery for long-lasting power Compact size for easy integration 600 mAh capacity for powering a variety of devices 3.7V nominal voltage Perfect for gadgets, IoT projects, and more
Male 6-pin JST-XH straight connector with 2.54mm pitch Ideal for PCB and perf board projects requiring polarized connections Prevents incorrect or reversed connections, ensuring reliable performance Easily soldered onto standard prototype boards Current rating of 3A and voltage rating of 250V
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Soldering Iron Stand, Easy To Use Wear Resistant Soldering Iron Holder Soldering Iron Kit Adjustable Multifunctional Convenient To Clean Crafts for WeldingNote: Doesn't include lead, soldering iron or tip cleaner.
Operating Voltage: 24V DC Two separate LEDs for On/Off indication of the Relay Triggering input voltage 3.3V – 5V 4) Back EMF protection Equipped with high-current relay 10A@250VAC / 10A@30VDC It can control both AC and DC appliances such as Solenoids, Motors, lights, fans, etc High-quality screw terminals (Terminal Block) provided (C, NC, NO) for quick...
Directly plug antenna interface. I2C bus communication. Multi-capacitor combined filter. Blue LED power indicator. High sensitivity(low noise RF input amplifier). High power auto gains control AGC circuit.
Temperature Coefficient Type: NTC Thermal Time Constant: 10s Resistance 10kΩ Tolerance: ±1% Maximum Power Rating: 75mW Maximum Operating Temperature: +150°C Minimum Operating Temperature: -80°C Dimensions(dia.): 2 mm Length: 30mm Application: Compensation, Control, Measurement, etc.
The Tuya WiFi Smart Smoke Alarm is a reliable and intelligent fire-safety solution designed to protect your home, office, and commercial spaces. With built-in WiFi connectivity, instant app notifications, and advanced photoelectric smoke detection, this device provides early warnings and continuous protection.
ESP32-S Screw Terminal Adapter for 38-pin ESP32-S development boards. Features screw terminals and female headers for secure, organized wiring. Provides direct access to all ESP32 I/O pins for easy prototyping and debugging. Ideal for IoT, automation, robotics, and educational projects. Clear pin labeling ensures quick and error-free connections. Compact...
TD-8120MG Digital Servo delivers up to 22.8kg.cm torque at 7.2V. 180° ±3° rotation range for precise and controlled movement. Features all-metal gears and an aluminum shell for maximum durability. Waterproof and dust-resistant, ideal for outdoor or rugged projects Operates on 4.8V–7.2V with a fast 0.14s/60° response at 7.2V. Perfect for robotics, RC...
Programmable battery charger module for 6V–60V DC batteries up to 30A Compatible with lithium, lead-acid, and multi-cell battery packs (2S–14S) LCD display with real-time voltage, capacity, and status monitoring Built-in 30A relay for safe, automatic charge and discharge control Adjustable charging parameters with precise 0.1V accuracy Compact design with...
Rechargeable lithium ion battery for long-lasting power Compact size for easy integration 1000 mAh capacity for powering a variety of devices 3.7V nominal voltage Perfect for gadgets, IoT projects, and more
40-pin male break-apart headers with 2mm pitch spacing Can be used as full 40-pin strip or snapped into smaller lengths Gold-plated pins ensure durability and resistance to oxidation Perfect for connecting 2mm pitch modules and prototyping projects Compact and versatile design for breadboards and PCB integration Affordable solution for DIY electronics and...
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Full-size HDMI ports - Use your existing cables! Infrared receiver - perfect for media center projects! Sleek Aluminum Enclosure Made with aluminum alloy and polished with a modern Space Grey finish for stunning aesthetics and functionality. Passive & Active Cooling. RoboticsBD The case top provides passive cooling for the Raspberry Pi, alongside a...
Keep your home and family safe with this Smart WiFi Natural Gas Leak Detector. Designed for kitchens, garages, RVs, restaurants, and commercial spaces, this device provides reliable, real-time monitoring of combustible gases such as methane, propane, butane, and LPG. Certified to EN 50194 standards, it ensures accurate detection and fast response in...
ESP8266 Witty Cloud ESP-12F WiFi module featuring integrated RGB LED, LDR sensor, and pushbutton. Powered by ESP8266 32-bit microcontroller with 4MB flash and 80/160MHz clock speed. Supports Arduino IDE, NodeMCU, and AT command programming via CH340 USB interface. Includes dual-board design with detachable USB interface for flexible use Built-in 802.11...
TD-8120MG Digital Servo with 270° ±3° extended rotation range. High torque output of up to 22.8kg.cm at 7.2V for heavy-duty performance Durable all-metal gears and aluminum casing ensure long lifespan. Waterproof and dust-resistant construction for rugged applications. Fast response time of 0.14s/60° at 7.2V with stable PWM control. Ideal for robotics,...
Automatic switching module for uninterrupted power supply Seamlessly switches between DC power supply and battery backup Supports DC 12V input with up to 10A current capacity Built-in under-voltage and over-voltage protection Simultaneously powers the load and charges the battery Compact, reliable, and easy to integrate into backup systems
Rechargeable lithium ion battery for long-lasting power Compact size for easy integration 2000 mAh capacity for powering a variety of devices 3.7V nominal voltage Perfect for gadgets, IoT projects, and more
40-pin female header socket with 2.0mm pitch for versatile PCB connections Gold-plated pins ensure superior conductivity and long-lasting durability Easily breakable into smaller pin counts without losing quality Compatible with Arduino, Raspberry Pi, Pine64, and DIY electronic projects Compact through-hole design for breadboards and circuit repairs...
