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.
This compact and powerful module combines the ESP8266 ESP-01/ESP-01S WiFi microcontroller interface with the reliable DHT11 temperature and humidity sensor, offering a seamless solution for real-time environmental monitoring in IoT and smart home applications. Designed for users who prefer customization and development flexibility, this module allows you...
Rugged chrome-plated metal pushbutton with red LED ring Latching design for maintaining the switch state Built-in resistor for LED Supports 3 to 6V for LED operation IP65 and IK08 protection ratings Durable stainless steel and chrome-plated brass construction
LJ12A3-4-Z/BX Inductive Proximity Sensor for precise metal detection up to 4mm range. NPN Normally Open (NO) output configuration for straightforward integration. Compatible with 6–36V DC power supply and supports 300mA output current. Compact M12 cylindrical design with 1-meter cable for flexible installation. Ideal for 3D printers, robotics, automation,...
Dual differential comparator IC with rail-to-rail inputs and outputs. Operates over a wide supply voltage range from 2V to 36V. Low power consumption, ideal for battery-powered applications. Fast response time with a typical propagation delay of 25 ns. Open-collector outputs compatible with TTL, MOS, and CMOS logic.
Non-contact water/liquid level detection for non-metallic containers Works with toxic, acidic, alkaline, and high-pressure liquids Wide voltage range: 5V–24V input for versatile use High stability & sensitivity, unaffected by container wall thickness Easy installation without drilling containers Waterproof (IP65) durable ABS housing for long-term...
STM32 NUCLEO-G491RE board powered by STM32G491RE ARM Cortex-M4 @170 MHz 512 kB Flash and 96 kB SRAM memory for advanced embedded applications Compatible with Arduino Uno Rev3 shields and ST Morpho connectors Integrated ST-LINK debugger/programmer for easy development Supports popular IDEs: STM32CubeIDE, IAR, MDK-ARM, GCC Rich connectivity: SPI, I2C, UART,...
Displays three digits using bright red LEDs Common anode configuration for simple wiring 10 pins for easy connection Clear visibility and compact size Versatile for various electronic projects
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Compact Micro PLC designed for industrial IoT and automation projects Powered by STM32H747XI dual-core Cortex-M7 + M4 MCU for real-time control Supports Arduino sketches & standard PLC languages (LD, FBD) Integrated Ethernet & USB-C ports for reliable connectivity Ideal for predictive maintenance, monitoring, and automation Backed by Arduino Pro...
Breakout adapter for nRF24L01 wireless transceiver modules Built-in 3.3V voltage regulator for stable power supply Accepts wide input voltage range: 5V–12V Labeled breakout pins for easy and reliable connections Onboard power LED indicator for quick status check Compact and lightweight design, perfect for DIY wireless projects
Compact PWM signal monitor for accurate pulse width and frequency measurement. Wide range detection: Supports pulse widths from 50-9950us. Ideal for testing receivers, flight controllers, and servos. Displays clear signal status with anti-reverse connection protection. Upgraded design: Smaller, better performance, and quick display updates. Lightweight...
Pitch 2.54mm. Plastic height: 8.5mm Pin Length: 11mm Gender of Connector: Female Number of Pins: 6 Pin Type of Row: Single-Row Body Orientation: StraightTo buy Arduino Stackable Header Kit (8 pin) click here To buy Arduino Stackable Header Kit (10 pin) click here
The SCD40 is a digital carbon dioxide sensor module that measures CO₂ concentration using NDIR technology and also provides integrated temperature and humidity readings. It communicates via I2C and is suitable for indoor air quality monitoring, ventilation control, and environmental sensing applications.
Octal bidirectional bus transceiver with tri-state outputs Enables data transfer between two buses under direction control High-speed, low-power LS TTL (Low Power Schottky) design TTL-compatible for reliable interfacing with microprocessors and memory systems Ideal for bus-oriented communication and data buffering applications Standard 20-pin DIP package...
The Bench Vise Table Clamp Soldering Station is a professional-grade third-hand repair tool designed for precision soldering, electronic assembly, and PCB repair. Equipped with five flexible assisting arms, each fitted with an alligator clip, this tool allows you to easily hold and position multiple components while keeping your hands free for accurate...
Rugged chrome-plated metal pushbutton with Green LED ring Latching design for maintaining the switch state Built-in resistor for LED Supports 3 to 6V for LED operation IP65 and IK08 protection ratings Durable stainless steel and chrome-plated brass construction
High-performance incremental rotary encoder with 600 pulses/rev for precise motion tracking Wide operating voltage range (DC 5-24V) suitable for various industrial applications Solid shaft with compact 38mm aluminum body for durability and ease of installation Supports AB phase output with color-coded wiring for simple integration Handles mechanical...
High-capacity, high-speed storage expansion for Raspberry Pi 5. Supports up to 5 SATA 3.0 devices with speeds up to 5Gbps. Features a 12V input with high-efficiency DC/DC step-down converters. Ideal for home media centers and NAS systems. Plug-and-play installation with blue LED indicators for power and drive status. The X1009 is designed for data storage...
High-performance STM32F767ZIT6 ARM Cortex-M7 microcontroller running at 216 MHz 2 MB Flash memory & 512 KB SRAM for complex applications Arduino Uno Rev3 & ST Morpho connectors for flexible expansion Onboard Ethernet, USB OTG, and multiple communication interfaces (UART, SPI, I2C, CAN, I2S) Integrated ST-LINK/V2 debugger/programmer with standalone...
Displays four digits using bright red LEDs Common anode configuration for simplified wiring 12 pins for easy connection Clear visibility and compact size Versatile for various electronic projects
Arduino Ethernet Shield W5100 R3 for Arduino UNO, Mega 2560, Duemilanove Built-in WizNet W5100 TCP/IP microprocessor for easy network connectivity Supports up to 4 simultaneous socket connections Includes Micro-SD card slot for network storage expansion Fully compatible with Arduino IDE Ethernet library for quick programming PoE (Power-over-Ethernet)...
Versatile battery tester supporting constant current, voltage, power, and resistance modes. Measures key parameters like voltage, current, power, capacity, and temperature. Compact design with clear LCD display for accurate real-time readings. Wide testing range: voltage 2-200V, current 0.2-20A, and power up to 150W. Features built-in safety protections:...
