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.
The UNI-T UT673A Battery Tester is a professional-grade diagnostic tool designed to accurately analyze the health of automobile batteries and evaluate cranking/charging systems. Suitable for 12V and 24V lead acid, AGM, GEL, and EFB batteries with capacities from 3Ah to 250Ah, this CE/UKCA/FCC-certified tester delivers fast, precise results without...
Features STM32F411CEU6 ARM Cortex-M4 32-bit microcontroller with 100 MHz clock Equipped with USB Type-C, 512 kB Flash, and 128 kB SRAM for robust development Supports MicroPython, Arduino, and C programming for flexible use Comes with built-in RTC, BOOT/User/Reset buttons, and onboard LEDs Includes 16-channel ADC, multiple SPI/I2C/USART interfaces, and...
2200-ohm single-turn trimmer potentiometer with smooth adjustment Breadboard-friendly design with secure, long leads ±5% tolerance for reliable resistance range from 9.5 to 2200 ohms Ideal for precision tuning in electronic circuits Compact, durable plastic package with top-mounted screwdriver adjustmentThis potentiometer can be of Blue and White...
LTC3780 automatic step-up/down voltage regulator module (buck-boost) Wide input range: DC 5–32V, adjustable output: DC 1–30V Output current up to 10A (long-term 7A), power up to 130W peak Features constant voltage/current, under-voltage, and short-circuit protection High-efficiency design with imported IC, low resistance, and quality capacitors Ideal for...
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Universal battery charger for AA, AAA, and 9V Ni-MH or Ni-CD batteries Can charge 2-4 AA or AAA batteries at once, or 1 or 2 9V batteries Charging current of 200mA for AA batteries and 150mA for AAA batteries LED indicators show the charging status Compact and portable design
This 60/40 Tin-Lead solder contains 60% Sn (Tin) / 40% Pb (Lead) 170° - 185°C melting range Premium Quality Soldering Wire/Lead Low Melting Point Weight: 20-22 Gram 0.8mm Mix: 60% Sn / 40% Pb Known as Lead or Solder WireMelting Temperature 170°C Approx. (Tested by RoboticsBD LAB) We suggest this solder wire/lead paired with this solder to make your...
This signal generator can use 4-20mA to generate voltage and control the current in the circuit. Accuracy up to 0.01; Liquid crystal display; Rotary encoder adjustment ; Two connection terminals are non polarity. Output range can be set; 4-20mA (device control) / -21mA (signal debugging) Display mode can be set, it is convenient for you to see the value...
Fully compatible with the PC. Moulded strain relief and PVC over moulding to ensure a lifetime of error-free data transmissions. Aluminium under mould shield helps meet FCC requirements on KMI/RFI interference. Foil and braid shield complies with fully rated cable specifications reducing EMI/FRI interference.
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Method: connect with computer keyboard wireless,wireless mouse Keyboard interface: 2.4 G wireless The mouse interface: 2.4 G wireless Work style: photoelectric Optical resolution: 1600-1200-800 DPI Whether to supportplug and play: support If there is a multimedia function keys: yes Whether to support the human body engineering:support Applicable...
The ESP32-S3 7″ Display Development Board (Type B) is a powerful microcontroller development platform featuring the ESP32-S3-WROOM-1-N16R8 module, equipped with a 32-bit LX7 dual-core processor running up to 240MHz. With integrated Wi-Fi (802.11 b/g/n) and Bluetooth 5 LE, onboard 16MB Flash and 8MB PSRAM, and a vibrant 7-inch 1024×600 LCD panel, this...
The UNI-T UT681HDMI Cable Tester is a compact, handheld diagnostic tool designed to quickly and accurately test HDMI and Mini-HDMI cables. It checks for open circuits, short circuits, crossover errors, and continuity faults, making it an essential tool for AV installers, technicians, and anyone working with multimedia systems.
The SONOFF Zigbee Bridge Pro is the upgraded control hub that connects your Zigbee devices with your Wi-Fi network, serving as the heart of your smart home ecosystem. Designed for larger and more reliable networks, it supports up to 128 Zigbee sub-devices when paired with Zigbee routers, making it perfect for advanced automation setups. With enhanced...
STM32 Starter Kit B combines the STM32F103C8T6 development board, STM32Block expansion board, and breadboard. Includes 40+ hands-on experiments with sensors, actuators, and LED circuits. Features Type-C interface, SWD port, and debugging support via ST-LINK. Preloaded with modules like OLED display, buzzer, joystick, RGB LEDs, and relay. Compatible with...
Durable and lightweight 3D-printed motor holder for N30 16GA motors. Designed for secure motor positioning and stability during operation. Compact design with pre-drilled mounting holes for easy installation. Made from high-quality PLA filament for strength and durability. Ideal for robotics, DIY projects, and small-scale automation systems.N30 16GA...
100000-ohm single-turn trimmer potentiometer with smooth adjustment Breadboard-friendly design with secure, long leads ±5% tolerance for reliable resistance range from 9.5 to 1000000 ohms Ideal for precision tuning in electronic circuits Compact, durable plastic package with top-mounted screwdriver adjustmentThis potentiometer can be of Blue and White...
100W AC-DC switching power board, converts 110–240V AC to 24V DC Provides stable 24V output with 4A–6A current capacity Compact design with indicator light for status monitoring Built with double-sided PCB for improved stability and reliability Includes overcurrent, overload, and short circuit protection Ideal for industrial control systems, DIY...
Saves space due to the small design Screw connection with tension sleeve Maximum contact force ensures a low-temperature rise Connection in accordance with EN-VDE Standard. RoboticsBD L Type 3pin/way 5.08mm Screw
2x 18650 Lithium Battery Shield V8 Mobile Power Expansion Board Module 5V/3A 3V/1A Micro USB for Arduino ESP32 ESP8266Output port: USB or expansion port Output parameter 5V / 3A or 3.3V / 1A. Conversion efficiency up to 95% Input port: MicroUSB
Different accessories have different functions to meet multiple needs. Suitable for surface cleaning, derusting, grinding, dusting, deburring, polishing, stripping residue, etc. Good polishing effect, high efficiency, low cost. Fit for your polishing need, can use for metal and nonmetal materials. Wear-resistant and durable, not easy to wear, long service...
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Onboard trackpad with all mouse function Left+Right click Gaming keys Operate on inbuilt Rechargeable battery Navigation, Volume Rockers and Home key Portable Pocket Size Plug and Play operation, No drivers needed to install Compatible with all Devices and operating Systems. RoboticsBD
The main chip: ISD1820. S16 Operating Voltage: DC 3V-5V. Loudspeaker: 8Ω, 0.5W. An easy to use 10 seconds of voice recording. High-quality, natural voice restored. Can be used as a propaganda module. With looping, jog playback, single-pass play function.
SKU:28117 | Part No.: ESP32-S3-Touch-LCD-5 | Brand: WaveshareThe Waveshare ESP32-S3 5″ Display Development Board (Touch, Standard Version) is a feature-rich development platform powered by the ESP32-S3-WROOM-1-N16R8 module. Equipped with a dual-core 32-bit LX7 processor running at up to 240MHz, built-in 16MB Flash and 8MB PSRAM, and a vibrant 800×480...
The BW16-Kit Development Board is a compact, dual-frequency Wi-Fi + Bluetooth 5.0 wireless module built around the RTL8720DN chipset. It combines high-performance connectivity with low power consumption, making it ideal for IoT, smart home, and industrial applications.
The UNI-T UTi120S Thermal Imager is a rugged and cost-effective handheld infrared camera designed for fast, accurate temperature measurement and thermal diagnostics. With a 120×90 infrared resolution (10,800 pixels), adjustable emissivity (0.01–0.99), and a temperature measurement range of -20℃ to 400℃, it’s perfect for electrical inspection, HVAC...
Waveshare ESP32-S3 A7670E combines 4G LTE, WiFi, Bluetooth, and GNSS in one board. Features powerful dual-core Xtensa® LX7 processor up to 240MHz for advanced IoT performance. Supports camera interface (OV2640), 18650 battery, solar panel, and TF card expansion. Includes A7670E Cat-1 4G module for LTE, SMS, call, and GPS/BeiDou/GLONASS navigation. Enables...
500-ohm single-turn trimmer potentiometer with smooth adjustment Breadboard-friendly design with secure, long leads ±5% tolerance for reliable resistance range from 9.5 to 500 ohms Ideal for precision tuning in electronic circuits Compact, durable plastic package with top-mounted screwdriver adjustmentThis potentiometer can be of Blue and White...
