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.
Tuya WiFi Human Presence Detector 24G with advanced mmWave radar Detects both motion and static human presence (breathing & micro-movements) 24G radar with ±10cm high accuracy detection Adjustable detection range from 0.3m to 9m (default 6m) USB 5V powered wall-mount design with 2.4GHz WiFi Ideal for smart lighting, automation, security & energy...
Compact 8-channel logic analyzer with a sampling rate up to 24MHz Ideal for debugging MCUs, FPGAs, and digital circuits Supports 0–5.5V logic levels for versatile system compatibility Works with open-source sigrok-PulseView for protocol decoding and analysis USB 2.0 high-speed interface for fast and reliable data transfer Compatible with Windows, Linux,...
STM32F401CCU6 minimum system board with ARM Cortex-M4 32-bit core Runs at 84MHz with 256K flash memory and 64K SRAM Supports SWD debugging for easy development and programming Operates on 1.7–3.6V power with Type-C USB interface Compact, low-cost board ideal for learners and embedded developers Suitable for prototyping, robotics, and educational projects
Connects Devices: Ideal for connecting components with RP-SMA connectors for signal transmission. Durable Design: Threaded connectors and 50Ω impedance ensure reliable signal transfer. Wide Range Use: Suitable for various applications up to 17 GHz frequency. Compact & Flexible: 250mm length offers easy integration in most setups.
MG945 digital servo with 360° continuous rotation in both directions Ideal for robotics, RC projects, and camera sliders Provides speed control instead of position control High torque, accurate response, and excellent holding power Requires external 5V 3A power supply (not directly Arduino-powered) Durable and affordable option for hobbyists and makers...
Compact DC power adapter module for breadboard projects Accepts standard 5.5 × 2.1mm DC barrel power plugs Breaks out voltage and ground to 4-pin male header for easy connections On-board LED power indicator with built-in current limiting resistor Supports a wide range of input voltages (e.g., 5V adapter, 12V for motor driver Simple, reliable, and...
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Power supply voltage: 2.7 V-3.3 V/5 V Data interface level: 2.7-5V. Resolution: 84 x 48 pixel Backlight power supply voltage: highest 3.3 V. Backlight: Blue. RoboticsBDNote: Current stock is tested by us.
The MAX30205 is a high-precision digital temperature sensor module designed for accurate human body temperature measurement. It provides calibrated digital temperature output over I2C and is suitable for medical, wearable, and low-power IoT applications where stable and precise temperature readings are required.
The TOF400C Laser Distance Ranging Sensor is a high-precision time-of-flight (ToF) module based on the VL53L1X chip, designed for accurate and reliable distance measurement up to 400 cm. Utilizing ST’s FlightSense™ technology and a SPAD (Single Photon Avalanche Diodes) array, it measures absolute distance regardless of the target’s color or surface finish.
SONOFF MINI R4 Smart Switch with ultra-compact extreme design WiFi-enabled remote control via eWeLink app (iOS & Android) Supports scheduling, timer, and automation scenes Voice control compatible with Alexa & Google Assistant “Detach Relay” mode for smart bulb protection Fits standard 100–240V AC switch boxes (Max load 2400W)
Dual USB Type-A and Type-C tester for precise voltage and current measurement Dual LCD display for real-time simultaneous monitoring of voltage and current High accuracy: ±1% for voltage and ±2% for current readings Measures voltage (4–24V), current (0.05–3A), capacity, and energy Ideal for testing chargers, power banks, and USB cables Compact, portable,...
STM32F103C8T6 microcontroller for versatile development 0.96-inch OLED display for real-time data visualization Multiple communication interfaces including Serial, CAN, Ethernet, and Wi-Fi Includes various sensors such as MPU6050 and LD3320 Ideal for IoT, robotics, data logging, and educational projects
Delivers high-definition video and digital audio. Connects Mini HDMI devices to full-size HDMI ports. Ideal for laptops, cameras, and digital video recorders. Compatible with HDTVs, displays, and projectors. Durable and reliable connection for home theater setups.
12V high torque DC worm geared motor with 160 RPM no-load speed. Features a self-locking mechanism to prevent unwanted shaft movement. Durable stainless steel shaft and fully machined steel teeth for long service life. High-efficiency gear system with copper turbine worm and double ball bearings. Quiet, smooth operation with imported lubricating oil in...
Compatible with 3.3V and 5.0V power supply. Compatible with 3.3V and 5.0V signal. Semi-hole pads, onboard module, thin PCB, having a thickness of 0.8mm. Has RXD, TXD signal indicator light, monitor send and receive status.
Based on MAX30105 – heart rate, oximeter, smoke sensor Green, red, and infra-red LEDs Interface: I2C (address 0x57) Compatible with 3.3V and 5V logic levels.
Low current consumption (typical 30 mA) CW or pulse operation Flat profile Long detection range (20 m) Supply voltage: 4.75V to 5.25V X-Band Frequency: 10.525 GHz Minimum Power Output: 13 dBm EIRP. RoboticsBD
4-Channel Tuya WiFi Smart Switch (TYWD 4CH-RF) for smart home automation. Controls up to four independent devices via app, WiFi, or RF 433MHz remote. Supports Alexa and Google Assistant for hands-free voice control. Offers three operation modes: self-locking, interlock, and inching. Includes timers, scheduling, and power-on state memory for automation....
Original Arduino Zero – 32-bit extension of the Arduino platform Powered by Atmel SAMD21 MCU with ARM Cortex-M0+ core Features Atmel Embedded Debugger (EDBG) for full hardware debugging Operates at 3.3V logic, compatible with shields supporting 3.3V Equipped with 20 digital I/O pins, 12-bit ADC, 10-bit DAC, and multiple UART/SPI/I2C interfaces Ideal for...
Reyax RYLR998 LoRa® transceiver module for 868/915MHz communication Provides ultra-long range spread spectrum and high interference immunity Equipped with NUVOTON MCU and Semtech LoRa® engine for reliable performance Supports AT command control and built-in antenna with data encryption Features low power smart receiving mode for energy-efficient...
Converts standard HDMI cable to mini HDMI (Type C) port. Ideal for digital camcorders and cameras. Outputs high-definition video and audio to TV. Gold-plated connectors for durability and signal integrity. Compact and portable design for on-the-go use.
Powered by STM32F401RE 32-bit ARM Cortex M4 core running at 84 MHz. Features 512 KB Flash and 96 KB SRAM for complex project development. Compatible with Arduino Uno Rev3 shields and ST Morpho connectors. Integrated ST-Link/V2 debugger/programmer with SWD output. Supports mbed.org online compiler, Keil, IAR, and GCC-based IDEs. Onboard LED indicators and...
