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USB Hub 4 Port
Price: $4.62
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Elecrow Item #: EL-ACA11004U -

This is a cute 4-channel USB Hub. It is like the body of a little boy, with 4 USB connectors at legs and foots. It supports the 480M bps USB2.0 and compatible with USB1.1 and 1.0. with this module, you can connect more USB devices or modules to USB host such as a Raspberry Pi or PC. FeaturesIncrease 4x USB portsSupports USB 2.0, runs at 480MbpsUSB 1.1 compatiblePlug and playSystems supported: Win95/98/Me/2000/XP/win 7,MAC OS XPowered by USB port, no external power needed ...

USB Hub& Powermanager for RPI Zero
Price: $12.52
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Elecrow Item #: EL-CEF02096C -

If you want connect Raspberry Pi which has only one single micro port to various USB, the USB Hub for Raspberry Pi Zero is your right choice. Especially there is no soldering and wires reqiured. The USB Hub for RPI Zero has 4 USB extension interface and extermal battery, and the USB 2.0 has a high speed, transfer rate up to 480Mbps.The 4 pogo on the back will connect the PP1, PP6, PP22 and PP23 testing pads on your Raspberry Pi Zero. You can also power supply PPI Zero by USB cable and charge a...

USB Logic Analyzer - 25MHz/8-Channel
Price: $33.15
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Sparkfun Item #: TOL-15033 -

Is your I2C bus not ACK'ing the way you expect? Do you need to discover a UART's mysterious baud rate? Or do you want to reverse engineer an SPI protocol? These all sound like jobs for a logic analyzer! With the growing ubiquity of UART, I2C, and SPI sensors, logic analyzers are becoming a tool everyone needs in their toolbox or on their workbench. This 8-channel USB Logic Analyzer with support for sampling rates of up to 24MHz provides a good while economic option making it a great tool for...

USB Male Type A Connector
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Price: $2.46
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Sparkfun Item #: PRT-00437 -

USB Type 'A' Male connector. Ideal for making very small USB dongle devices that plug directly into a computer USB port or through a USB AtoA extension cable. Documents: Datasheet

USB micro-B Cable - 6 Foot
Price: $8.71
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Sparkfun Item #: CAB-10215 -

USB 2.0 type A to micro USB 5-pin. This is a new, smaller connector for USB devices. Micro USB connectors are about half the height of mini USB. Micro USB is found on newer hand held devices like cell phones and portable media devices. Works great with the Google Nexus One. Cable color and shape may vary slightly from image as our stock rotates. If you're still trying to wrap your head around the world of USB cables, why not check out our USB Buying Guide? Features: 6 glorious feet ...

USB Micro-B Cable - 6"
Price: $3.99
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Sparkfun Item #: CAB-13244 -

This is a USB 2.0 type A to Micro-B 5-pin black cable. You know, the mini-B connector that usually comes with cell phones, Cameras, MP3 players, etc. We specifically like these 6" long cables because using USB peripherals in projects within a small enclosure is much easier these days, and most times you really don't need six feet of cable to do that. You can still use this USB cable with our Micro-USB LiPo Charger Basic, Pro Micros, Micro-B USB breakout, or anything else that utilizes a...

USB Mini-B Cable - 6"
Price: $3.70
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Sparkfun Item #: CAB-13243 -

This is a USB 2.0 type B to Mini-B 5-pin black cable. You know, the mini-B connector that usually comes with USB Hubs, Cameras, MP3 players, etc. We specifically like these 6" long cables because using USB peripherals in projects within a small enclosure is much easier these days, and most times you really don't need six feet of cable to do that. You can still use this USB cable with our SparkFun RedBoards, FTDI Basics, ProtoSnap, or anything else that utilizes a Mini-B connector type! If...

USB Mini-B SMD Connector
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Price: $2.46
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Sparkfun Item #: PRT-00587 -

USB Type 'Mini-B' Female SMD connector. This is a 5-pin Mini-B surface mount connector commonly found in MP3 players, media/disk readers, USB hubs, pretty much anything small and USB. Documents: Datasheet

USB OTG Cable - Female A to Micro A - 4"
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Price: $4.93
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Sparkfun Item #: CAB-11604 -

USB On-The-Go is a really useful USB specification! It allows some small devices that would usually be unable to act as a host to have limited hosting capabilities! USB-OTG is common for things like tablet computers and smartphones in order to allow for USB peripherals like flash-drives, keyboards, etc. to be hooked up. If you have a USB OTG device, you need one of these Female A to Micro-A cables to act as a host. Remember, not all devices are USB-OTG compatible, so make sure that whatever...

USB Power Meter (Color TFT LCD)
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Price: $42.71
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Sparkfun Item #: TOL-15571 -

This USB Power Meter is a versatile little tool that can provide voltage readings down to 0.01V and current to 0.001A, displayed on the built-in color TFT LCD, while your device is connected through it to a power source. You can also measure the capacity and power of battery packs/power banks as well as temperature and cable impedance! In addition to the main numeric measurement interface, you can also toggle to voltage and current bar graph interfaces (because who doesn't like a good graph?),...

USB Relay Controller with 6-Channel I/O
Price: $147.86
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Sparkfun Item #: DEV-09669 -

This USB Relay Controller / Data Acquisition Module, from Cana Kit, allows computer controlled switching of external devices as well as full bi-directional communication with the external world (ideal for Data Acquisition applications) using the USB port of your computer. The controller is very flexible and can be used in many custom applications including weather stations as well as temperature monitoring, logging and control as it can be easily connected to temperature and other types of...

USB Serial Light Adapter - Atmega8U2 (Arduino Compatible)
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Price: $20.60
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DFRobot Item #: DFR0164 -

This is a new version of the FTDI breakout board features an Atmega8U2 programmed as a USB-to-serial converter, the same chip found on the Arduino Uno. The 8U2 firmware uses the standard USB COM drivers, and no external driver is needed. However, on some Windows systems installing the driver might be required. This driver comes with the Arduino IDE, in the root folder you can find a folder named drivers. The USB Serial Adapter has an onboard mini-USB connector and 5 pins including RX (for...

USB to Micro-B Adapter
Price: $3.52
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Sparkfun Item #: COM-14567 -

It's tiny, it's handy, and it can give your normal USB-equipped device a micro-B connector! With the USB to Micro-B Adapter you can make a flash drive connect to your tablet, connect a keyboard to your phone in order to text with ease, attach a Bluetooth® dongle to your RPi Zero, and more! Since this adapter is super small, it is very easy to transport anywhere you might need it --- making it extremely convenient to have in a pinch. Installation of the USB to Micro-B Adapter is easy; simply...

USB to RS232 Converter - 6ft
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Price: $26.70
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Sparkfun Item #: CAB-11304 -

There are a lot of devices out there that still communicate over RS232 but we bet your new laptop isn't one of them. Don't worry, though, we've got you covered. This 6ft converter plugs into your computer's USB port and provides you with a DB-9 RSR232 connection. After installing the drivers onto your Windows, Mac or RedHat Linux system, the FTDI chipset inside the cable will enumerate as a COM port with a baud rate adjustable to whatever setup you want to connect to. We were curious what made...

USB to RS422/RS485 Cable
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Price: $44.82
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DFRobot Item #: FIT0272 -

The USB 2.0 to RS422/RS485 Cable provides a simple and easy to connect between the USB and RS422/RS485 ports interface. Ideally for PC, thin client or servers to provide instant RS422/RS485 ports expansion via USB ports. USB to RS422/RS485 industrial intelligent converter,no power supply needed,plug-and-play USB485 is a kind of USB to RS485/422 industrial intelligent converter. It is the best solution for the communication between USB and RS422/RS485. Compared with RS232 to RS422/RS485...

USB to Serial IC - CH340E (10 Pack)
Price: $25.95
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Sparkfun Item #: COM-16278 -

The USB to Serial CH340E IC is a USB bus conversion chip, it can realize USB to UART interface or USB to printer interface. In serial UART mode, CH340E provides common MODEM liaison signal, used to expand UART interface of computer or upgrade the common serial device to USB bus directly. CH340 is a 3x3mm tiny chip comes in MSOP10 package and has 10 pins. The CH340E has a built in crystal. Includes: 10x CH340E USB to Serial IC Features: Full speed USB device interface, compatible with USB...

USB to TTL Serial Cable
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Price: $19.54
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Sparkfun Item #: CAB-12977 -

This is a USB to TTL Serial Cable which allows for a simple way to connect TTL interface devices to USB. The I/O pins of this cable are configured to operate at 3.3V specifically with a Raspberry Pi with each serial pin broken apart. Thanks to its separated pins, this cable is a perfect candidate for powering, connecting, and accessing the login and debug console on the Raspberry Pi. The FTDI cable is designed around an FT232, which is housed in a USB-A connector. The other side of the cable...

USB to TTL Serial Cable (5V VCC)
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Price: $13.88
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Sparkfun Item #: CAB-17831 -

This is a USB to TTL Serial Cable which allows for a simple way to connect TTL interface devices to USB. The I/O pins of this cable are configured to operate at 3.3V specifically with a Raspberry Pi with each serial pin broken apart. Thanks to its separated pins, this cable is a perfect candidate for powering, connecting, and accessing the login and debug console on an older-version Raspberry Pi. The FTDI cable is designed around an FT232, which is housed in a USB-A connector. The other side...

USB Weather Board
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Price: $156.42
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Sparkfun Item #: SEN-10586 -

USB Weather Board Description: Got weather? This board can handle it. The USB Weather Board includes onboard sensors for barometric pressure, humidity, temperature, and light level. We've also added headers in the new version so you can connect the board to our weather meters (not included), adding sensors for wind speed, wind direction, and rainfall. You can send all this data to a computer or datalogger via mini-USB cable, TTL serial (3.3V), or wirelessly...

USB/TTL Raspberry Pi GPS Tracker
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Price: $51.54
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DFRobot Item #: TEL0119 -

USB/TTL Raspberry Pi GPS tracker is a small GPS location module. It is using L80-39 GPS chip, which includes 66 search channels and 22 simultaneous tracking channels. These features can improve its satellites connection speed.GPS tracker has USB and TTL two ports, it is easy to be used with Raspberry Pi, Arduino, STM32 and other kind of micrcontrollers. And it is totally compatible with most of Raspberry Pi, like Raspberry Pi 3 Model B, Raspberry Pi 2 Model B, A+, B+, Zero .etc.The GPS module...

USBSerial Adapter
Price: $16.36
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Elecrow Item #: EL-MCP00101P -

    This USBSerial Adapter is a compact USB to serial adapter equipped with BEE (20pin 2.0mm) sockets. With integrated FT232 IC, It can do many things such as used for programming(Arduino Pro Mini), debug some hardware or communicating with MCU applications. On the other hand, you may connect your PC to various wireless applications via the BEE compatible modules. Features Reset button for BEE modules 3.3V and 5V dual power output 3.3V and 5V IO compatible USB 2.0 protocol...

USBtinyISP-Arduino bootloader programmer
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Price: $24.22
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DFRobot Item #: DFR0116 -

This is a USB AVR programmer supported by offical Arduino IDE. Once the Arduino has lost its bootloader for some reasons, use this programmer to reburn the bootloader and save the dead Arduino.This programmer works really well for ATmega168 and ATmega328 and should work with all the AVR micros supported by AVRDUDE. Both 10-pin and 6-pin targets supported (cable included) which makes the progrmmer suitable for most AVR boards.This programmer is based on USBtiny code & design Version 2.0The Kit...

UT Austin- ME 144L DSC (V2)
Price: $153.92
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Sparkfun Item #: CUST-17753 -

Custom Kit for UT Austin - ME144L DSC - V2.0 (Spring 2021)

UT Austin-ME 140L v2
Price: $174.45
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Sparkfun Item #: CUST-17759 -

Custom Kit for the University of Texas at Austin - ME 140L V2.0 (Spring 2021)

UV Sensor Module-UVM30A
Price: $36.55
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Elecrow Item #: EL-SEUV30M -

    The UV Sensor is used for detecting the intensity of incident ultraviolet(UV) radiation. This form of electromagnetic radiation has shorter wavelengths than visible radiation. This module is based on the sensor UVM-30A, which has a wide spectral range of 200nm-370nm. The module outputs electrical signal which varies with the UV intensity, which gives your suggestion if it is a good idea to beach today. Specification Working voltage: DC 3~5V Curent: 0.06mA(Standard)/0.1mA...

Vacuum Pump - 12V
Price: $31.96
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Sparkfun Item #: ROB-10398 -

This vacuum pump really sucks! This pump operates at 12V and has enough suction for most small projects. We even used one to make our very own universal gripper using coffee grounds, balloon and some other parts. Features: Diaphragm Type Vacuum Operating Voltage: 12V Working Pressure Range: -70KPA-220KPA Vacuum: >350mmHg Noise: 65dB Working range: 9-15LPM 500hr Lifespan Documents: Dimensional Drawing Spec Sheet Videos ...

Veyron 1x5A Brushless Motor Driver
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Price: $82.83
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DFRobot Item #: DRI0014 -

The new Veyron brushless motor controller DFBLDC(1x5A) provides 3 different kinds Input modes(PPM?UART?ANALOG) it is especially designed for brushless motors which are widely used in robotics industry because of their high-performance and good reliability. |Specification| Model Size:74mm X 40mm X 19mm Moedl Weight: 50g Input Voltage: 8~30V(12~24V recommended) Operating Temperature: -30??70? Input modes: PPM?UART?ANALOG?0~5V) Baudrate Types:1200/2400/4800/9600/14400/19200/28800/38400/57600/11520...

Veyron Servo Driver (24 Channel)
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Price: $49.82
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DFRobot Item #: DRI0029 -

Veyron Servo Driver (24-Channel) is a multiple servo controller, especially designed for humanoid robots, spider robots, robotic arms, and many other likewise applications. The controller integrates wireless data transmission interface, which is fully compatible with DFRobot Bluetooth module, APC220 wireless data transmission module and Xbee module. The controlling modes include real-time, timer and constant speed. Veyron Servo Driver (24-Channel) is the most powerful Mirco USB servo driver...

VFD Tube (Arduino Compatible)
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Price: $56.71
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DFRobot Item #: DFR0223 -

VFD tube, vacuum fluorescent display, which was invented in Japan in 1967, typifies the display component of the vacuum electronic era. Just as the Nixie Tube, VFD tube is also on the verge of extinction. It has been fade out from modern applications since the 1990′s. Young generations may have never seen its limpid cyan fluorescence, given life by the intelligence of the last century. With the same concept of developing the Nixie Tube module for Arduino, in order to make the VFD tube...

Vibration Motor
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Price: $2.67
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Elecrow Item #: EL-RMS10271R -

    This is a mini vibration motor which is a Permanent Magnet coreless DC motor. It vibrates when the input is logic HIGH, often used as feekback of some inputs or events such as a remind of SMS.. Application Idea Feekback of inputs Event reminds Features Digital inputs Supply voltage:3.3V-5V ...

Vibration Motor
Price: $4.12
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Sparkfun Item #: ROB-08449 -

A vibration motor! This itty-bitty, shaftless vibratory motor is perfect for non-audible indicators. Use in any number of applications to indicate to the wearer when a status has changed. All moving parts are protected within the housing. With a 2-3.6V operating range, these units shake crazily at 3V. Once anchored to a PCB or within a pocket, the unit vibrates softly but noticeably. This high quality unit comes with a 3M adhesive backing and reinforced connection wires. Documents: Datasheet ...

Voltage Regulator - 12V
Price: $2.66
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Sparkfun Item #: COM-12766 -

This is the basic L7812 voltage regulator, a three-terminal positive regulator with a 12V fixed output voltage. This fixed regulator provides a local regulation, internal current limiting, thermal shut-down control, and safe area protection for your project. Each one of these voltage regulators can output a max current of 1.5A. Features: Output Voltage: 12V Output Current: 1.5A Thermal Overload Protection Short Circuit Protection Output Transition SOA Protection Documents: Datasheet Fixed...

Voltage Regulator - 3.3V
Price: $3.46
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Sparkfun Item #: COM-00526 -

This is the basic LD1117V33 voltage regulator, a low drop positive regulator with a 3.3V fixed output voltage. This fixed regulator provides a great amount of stability and protection for your project and with its on chip trimming this regulator is able to reach an output voltage tolerance within ±1%. Each one of these voltage regulators can output a max current of 800mA. Features: Output Voltage: 3.3V Output Current: 800mA Dropout Voltage: 1V Internal Current and Thermal Limit Documents:...

Voltage Regulator - 5V
Price: $1.71
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Sparkfun Item #: COM-00107 -

This is the basic L7805 voltage regulator, a three-terminal positive regulator with a 5V fixed output voltage. This fixed regulator provides a local regulation, internal current limiting, thermal shut-down control, and safe area protection for your project. Each one of these voltage regulators can output a max current of 1.5A. Features: Output Voltage: 5V Output Current: 1.5A Thermal Overload Protection Short Circuit Protection Output Transition SOA Protection Documents: Datasheet Fixed Power...

Voltage Regulator - Adjustable
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Price: $3.20
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Sparkfun Item #: COM-00527 -

This is the LM317TG voltage regulator, a three-terminal positive regulator with a 1.2V to 37V adjustable output voltage. This adjustable regulator provides a local regulation, internal current limiting, thermal shut-down control, and safe area protection for your project. Did we mention that this guy is easy to use? It only requires two external resistors to set the output voltage. Each one of these voltage regulators can output a max current of 1.5A. Features: Output Voltage: 1.2V - 37V...

Voltage Regulator - Adjustable LM1117 SMD
Price: $2.46
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Sparkfun Item #: COM-00595 -

This is a 1A Adjustable SOT-223 voltage regulator capable of outputting 1.2V to 18V. The LM1117 uses the same pin-out and setup as the popular LM317 adjustable regulator, contained in a handy surface mount package. Requires two external resistors to function. Documents: FAN1117A.pdf SFE Eagle Library has this part! Check out our Unregulated Power Supply Tutorial ...

Voltage Regulator - BD10KA5W (500mA)
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Price: $1.56
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Sparkfun Item #: COM-10827 -

The BD10KA5W is a low-saturation regulator with an output voltage precision of ±1%. It also has built-in overcurrent protection that prevents the destruction of the IC, due to output short circuits and a thermal shutdown circuit. Features: Max Output Current : 500mA Output Voltage Precision : 1.0V ±1% Built-in Overcurrent Protection Circuit Built-in Thermal Shutdown Circuit Shutdown Switch Operating Temperature Range : -40C to +105C Documents: [Datasheet](http://cdn.sparkfun.com/datasheets/Comp...

Vortex - An Arduino Based Programmable Toy Robot For Kid
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Price: $222.38
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DFRobot Item #: ROB0129 -

Vortex , a programmable toy robot designed for kids. It is an Android or iphone controlled toy. There are 5 games that kids can play with together with fully customized personality and appearance through APP. Vortex is programmable. It is based on Arduino which allow it compatible with most Arduino programming language such as Scratch, Arduino IDE. If you are not familiar with Arduino, we have a visual programming APP named "WhenDo" to get started with. Vortex has 32 eye expressions and...

Vortex - An Arduino Based Programmable Toy Robot For Kid  (2 Pack)
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Price: $394.76
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DFRobot Item #: ROB0130 -

Vortex , a programmable robot designed for kids. Vortex is based on Arduino which allow it compatible with most Arduino programming language such as Scratch, Arduino IDE. If you are not familiar with Arduino, we have a visual programming APP named "WhenDo" to get started with. Vortex has 32 eye expressions and unlimited light effects, it has build-in mp3 player and allow you upload your own voice and mp3 files. Customize a vortex with personal eyes expressions and appearance is done by your...

W5200 Ethernet Shield
Price: $33.24
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Elecrow Item #: EL-ACS52001S -

    The Ethernet Shield connects your Arduino device to the internet in mere minutes. Just plug this module onto your Arduino board, connect it to your network with an RJ45 cable (not included) and follow a few simple instructions to start controlling your world through the internet.     The Ethernet controller of this Ethernet Shield is W5200. it is twice the buffer size of W5100 and support for up to eight simultaneous TCP/UDP connections. There is an...

W5500 Ethernet with POE IOT Board (Arduino Compatible)
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Price: $77.40
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DFRobot Item #: DFR0342 -

W5500 Ethernet with POE Mainboard is a new member in our Ethernet family. It is based on the ATmega32u4 and W5500 Ethernet chip, which is quite useful to most IOT projects. W5500 chip is a Hardwired TCP/IP embedded Ethernet chip that provides easier Internet connection to embedded systems. It enables users to have the Internet connectivity in their applications just by using the board in which TCP/IP stack, 10/100 Ethernet MAC and PHY embedded. W5500 Ethernet Board is uses a high-efficiency...

Walabot Starter
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Price: $246.43
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Sparkfun Item #: SEN-14534 -

The Walabot Starter is a small, programmable sensor tool that looks into objects using radio frequency technology sense the environment, bringing highly sophisticated sensing capabilities to your fingertips. This Walabot Starter version uses a three-antenna array to illuminate the area in front of it and sense the returning signals. The signals are produced and recorded by a VYYR2401 A3 System-on-Chip integrated circuit. They are then communicated to a host device (like your phone or computer)...

Water Level Sensor
Price: $14.97
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SeeedStudio Item #: SWWater -

Water Level SensorThis sensor is a device used to sense the level of liquid within a tank, it may actuate a pump, an indicator, an alarm, or other devices. Spec:     Cable length: 40cm     Maximum load: 50w     Max Switching votage: 100V DC     Minimum Votage: 250v DC     Maximum Switching Current: 0.5A     Max load current: 1.0A     Max contact resistance: 0.4 Ω...

Water-proof Ultrasonic Sensor
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Price: $45.62
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DFRobot Item #: SEN0207 -

Most ultrasonic distance sensors aren't waterproof which can be a problem if you need your project to withstand the elements outdoors. No need to worry any more! We have developed waterproof ultrasonic distance sensors with a waterproof sealed emitter. This sensor is suitable for outdoor applications such as car reversing sensors, security alarms, industrial inspection, etc. What will you make?Note: V2 has increased its resolution and accuracy.|Specification| Operating Voltage: 5V DC Static...

Waterproof DS18B20 Digital Temperature Sensor for Arduino
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Price: $11.89
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DFRobot Item #: DFR0198 -

This is a waterproofed version of the DS18B20 Temperature sensor. Handy for when you need to measure something far away, or in wet conditions. While the sensor is good up to 125°C the cable is jacketed in PVC so we suggest keeping it under 100°C. Because they are digital, you don't get any signal degradation even over long distances! The DS18B20 provides 9 to 12-bit (configurable) temperature readings over a 1-Wire interface, so that only one wire (and ground) needs to be connected...

Waterproof Ultrasonic Sensor with Separate Probe
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Price: $27.58
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DFRobot Item #: SEN0208 -

Most ultrasonic distance sensors aren't waterproof which can be a problem if you need your project to withstand the elements outdoors. No need to worry any more! We have developed waterproof ultrasonic distance sensors with a waterproof sealed emitter. This sensor is suitable for outdoor applications such as car reversing sensors, security alarms, industrial inspection, etc. What will you make? |Specification| Operating voltage: DC5V Static current: 5mA Operating current: 30mA Operating range:...

WAV Trigger
Price: $86.32
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Sparkfun Item #: WIG-13660 -

The WAV Trigger is a unique high-fidelity polyphonic audio player with surprising capabilities. Supporting up to 2048 uncompressed 16-bit, 44.1kHz wav files – the same quality as an audio CD – the WAV Trigger can play and mix up to 14 stereo tracks simultaneously and independently, with very low latency. Tracks can be controlled via 16 programmable trigger inputs, or by using a native serial control protocol or even MIDI. Trigger inputs can be connected directly to switches and buttons, or to...

Weather Meter Kit
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Price: $131.35
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Sparkfun Item #: SEN-15901 -

Whether you're an agriculturalist, a professional meteorologist or a weather hobbyist, building your own weather station can be a really rewarding project. When you're measuring weather, however, you need some pretty specialized sensors. This kit represents the three core components of weather measurement: wind speed, wind direction and rainfall. None of the sensors in this kit contain active electronics, instead they use sealed magnetic reed switches and magnets so you'll need to source a...