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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
Price: $3.27
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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: $2.52
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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: $1.59
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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: $251.53
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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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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: $86.58
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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
Price: $115.12
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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...

Weather Station Kit with Anemometer/Wind Vane/Rain Bucket
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Price: $237.89
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DFRobot Item #: SEN0186 -

Ever want to build your own weather station? This iot weather station kit includess anemometer, wind vane and rain bucket. The serial communication method provides good compatibility and makes it easy to use with most controllers in the market.Together with other components, this iot weather station kit can be widely used in measureing wind/rain in engineering, railways, docks, power plants, meteorological, cableway, environment study, agriculture, energy monitoring, health study with...

Weather Station Kit with Solar Panel
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Price: $163.59
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DFRobot Item #: KIT0094 -

The fast pace of modern life greatens the distance between human and nature, making more kids caged in the concrete jungle. However, interacting with nature is an indispensable part in their growth. Weather itself, can be an accessible yet interesting subject for kids to study. Through meteorological observations, recording and analyzing, kids can literally learn and do science that is combined seamlessly with their daily life activities.From terraces to living rooms, in backyards and in...

Wheel - 65mm (Rubber Tire, Pair)
Price: $5.23
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Sparkfun Item #: ROB-13259 -

These are a pair of basic, 65mm wheels with black rubber tires. These wheels are the same ones designed to fit onto DAGUs right angle gear motors utilized in the Magician Chassis and RedBot Kit. With these wheels you will be able to get almost any beginners robot project moving. These wheels are sold in packs of two. Documents: Product Video

Wheel 42x19mm (Pair)
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Price: $5.00
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DFRobot Item #: FIT0085 -

This custom-designed plastic wheel has a rubber tire measuring 1.65" (42 mm) in diameter and is designed to fit the output shafts on our mini metal gearmotors as well as the Solarbotics metal gear motors. Teeth on the hub optionally allow a reflectance sensor to be used for encoder feedback. This rugged wheel is designed to fit securely on the output shafts of the micro metal geramotors. These gearmotors should be mounted onto the side of the hub with the protruding teeth. The output shaft...

Wheel Adapter - Hex (12mm, Pair)
Price: $17.42
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Sparkfun Item #: ROB-12405 -

These wheel adaptors allow you to adapt 12mm hex drive wheels to our .770” hub pattern. The recessed .770” pattern allows you to run 6-32 socket head screws into any .770” hub or component that utilizes the .770” hub pattern. Each kit consists of two 2 aluminum mounts and 2 8-32 x 1/2” truss head screws. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all...

Wheel Adapter - Hex (17mm, Pair)
Price: $17.42
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Sparkfun Item #: ROB-12445 -

These wheel adaptors allow you to adapt 17mm hex drive wheels to our .770” hub pattern. The recessed .770” pattern allows you to run 6-32 socket head screws into any .770” hub or component that utilizes the .770” hub pattern. Each kit consists of two 2 aluminum mounts, 2 #8 washers, and 2 8-32 x 1/2” truss head screws. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns,...

Wheel Encoder Kit
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Price: $21.72
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Sparkfun Item #: ROB-12629 -

This is the Wheel Encoder Kit from DAGU, a simple add-on to any wheeled robot that can help measure the speed or distance the chassis travels. Each wheel encoder kit consists of two neodymium 8-pole magnets with rubber hubs and two hall-effect sensors terminated with 150mm cables and 3-pin female servo headers. These wheel encoders require a supply voltage of 3-24V with a supply current of 4mA. Features: Supply Voltage: 3-24V Supply Current: 4mA per sensor Output Voltage: 26V Max Output...

Whybricks (10 Student Pack)
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Price: $299.99
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Edison Item #: ED-WHY001 -

What is Whybricks? Whybricks is an engaging hands-on approach to teaching physical science. The construction system kit and lesson plans work seamlessly to be a complete STEM teaching resource. With Whybricks, educators can tap into students’ innate curiosity and explore physical science in meaningful ways. Whybricks helps make learning fun and relevant, with meaningful STEM extensions through engineering. The Whybricks kit Each Whybricks kit contains 2100 pieces to enable 10 students to work...

Wide Band 4G LTE Internal LoRa Antenna
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Sparkfun Item #: WRL-17841 -

A Wide Band, 700-2700Mhz frequency range, 4G LTE antenna provides a wide enough range for a number of applications including BLE & LoRa/RF. This antenna is 53mm x 24mm with a 100mm length coaxial cable ending in an IPEX (u.FL equivalent) connector. The antenna has a 3M adhesive backing making it easy to fix it to your project. If you are looking for a board to use this antenna with, we highly recommend our SparkFun LoRa Thing Plus – expLoRaBLE board! Features: Frequency range:...

WiDo - An Arduino Compatible IoT (internet of thing) Board
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Price: $51.54
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DFRobot Item #: DFR0321 -

|Specification| Power Supply range: 5v or 7-12v Arduino Leonardo Compatible Integrate with WG1300 WIFI chip and support 2.4GHz IEEE 802.11 b/g network WIFi and MicroSD driven by SPI port On board 2.4G PCB Antenna Driver pins WIFI Module-D7(IRQ),D5(VBAT),D10(CS),D14(MISO),D15(SCK),D16(MOSI) MicroSD-D4(CS),D14(MISO),D15(SCK),D16(MOSI) User friendly Reset button Dimension: 72 mm x 55 mm(2.83" x 2.17")|Documents| Wiki Doc Arduino library Schematic WiDo with Ubidots|ShippingList| WiDo x1 ...

WiFi Module - ESP8266
Price: $12.55
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Sparkfun Item #: WRL-13678 -

The ESP8266 WiFi Module is a self contained SOC with integrated TCP/IP protocol stack that can give any microcontroller access to your WiFi network. The ESP8266 is capable of either hosting an application or offloading all Wi-Fi networking functions from another application processor. Each ESP8266 module comes pre-programmed with an AT command set firmware, meaning, you can simply hook this up to your Arduino device and get about as much WiFi-ability as a WiFi Shield offers (and that's just...

WiFi Module - ESP8266 (4MB Flash)
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Sparkfun Item #: WRL-17146 -

The ESP8266 WiFi Module is a self contained SOC with integrated TCP/IP protocol stack that can give any microcontroller access to your WiFi network. The ESP8266 is capable of either hosting an application or offloading all WiFi networking functions from another application processor. Each ESP8266 module comes pre-programmed with an AT command set firmware, meaning, you can simply hook this up to your Arduino device and get about as much WiFi-ability as a WiFi Shield offers (and that's just out...

WiFi Shield V2.2 for Arduino (802.11 b/g/n)
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Price: $131.10
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DFRobot Item #: TEL0047 -

DFRobot is very proud to release this first 802 b/g/n wifi shield in the Arduino market. The arduino shield uses WizFi210 which is a low power-consuming WIFI module which is applied with dynamic power management technology. When the WIFI module needs to be on but not work, it can be set to Standby mode a low power mode, and the module just needs to be woken up when it has to work.The WIFI wireless module is based on WizFi210. It provides the bridging from TTL serial port communication to...

WiFi Shield V3 For Arduino RPSMA (802.11b/g/n)
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Price: $87.14
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DFRobot Item #: TEL0079 -

DFRobot WiFi Shield for Arduino, is part of our wireless family product. This WIFI Shield V3 supports AP + STA dual mode, and is extremely easy to connect to a home router network. You only need a mobile phone or Pad to log in the AP network of this module (similar way with some router configuration tool). After logging in the module and set the Wireless name, it is ready to connect the WIFI network (No AT command setup required, which is often very complex). This module uses dynamic power...

WiFiBee-MT7681 (Support Arduino WiFi Wireless Programming)
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Price: $25.69
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DFRobot Item #: TEL0107 -

The WiFi Bee MT7681 is an Arduino WiFi XBee module based on the MT7681 serial Wi-Fi module. It is compatible with an XBee slot, supports Arduino wireless programming and is ideal for Internet of Things (IoT), home automation and robotics applications.The WiFi Bee supports the IEEE802.11b/g/n standard protocols, with 2.4G Wi-Fi bands, 14 channels and WEP/WPA-PSK/WPA2-PSK/TKIP/AES encryption methods, compatible with many mainstream routers. It has STA and AP working modes, is free to switch, and...

WiiChuck Adapter (Arduino Compatible)
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DFRobot Item #: DFR0062 -

The WiiChuck Adapter is a small PCB that is designed to be inserted into the connector of a Nintendo Wii Nunchuck to provide access to all 4 wires of the remote. The power, ground and two-wire interface of the Nunchuck are all broken out to a 4-pin 0.1" pitch header. Compared with standard WiiChuck, the DFRobot WiiChuck has extra 4 pins which allow you connect it to two devices. The Wii Nunchuck is loaded with features -- a 2-axis joystick, two buttons and a 3 axis ?2g accelerometer -- and any...

Wild Thumper 6WD Chassis - Black (34:1 gear ratio)
Price: $469.44
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Sparkfun Item #: ROB-11056 -

This is easily the most rugged and beefy robot chassis in its price range. The Wild Thumper 6-Wheel platform is the best of both worlds: It takes almost no time to go from un-boxing to rolling chassis, but it's also ready to be expanded on and makes great base stock for a serious 'bot. Each of the six motors are mounted on independent suspension and outfitted with 34:1 steel gearboxes (no more stripped gears!). The motors are wired together on a terminal strip inside the 2mm thick anodized...

Wind & Water Power Turbines
Price: $7.47
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Elecrow Item #: EL-PS81110TR -

Wind & Water Power Turbines Description: The Wind & Water Power Turbines convert the wind & water to the mechanical energy and then convert to electricity power. This mini Turbines outputs small power for small projects such as LED, suitable for DIY projects. Note that the output of the turbine is AC, Rectifiers are needed if you want to change it into DC. As we tested, the turbines can power 5 LEDs with a wind speed 20 km/h, and 10 LEDs with a wind speed 50 km/h. you can use this...

Wire Connector Set
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Price: $0.52
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DFRobot Item #: FIT0452 -

This wire connector set is made by flame retardant material. It works very well in extreme environment. |Specification| Type: XPE012 Rated current: 10A Rated voltage: 380V Shell material: flame retardant Temperature resistance: 105 ? Connector: 2|ShippingList| Wire Connector Set x1 ...

Wire Strippers - 22-30AWG
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Price: $23.98
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Sparkfun Item #: TOL-14762 -

These are your basic, run-of-the-mill wire strippers from Techni-Tool with a comfortable grip making them an affordable option if you need to remove the protective sleeve from a desired wire. These are an essential part to any hacker's arsenal and are able to strip 22-30AWG (0.65-0.25mm) solid core wire nicely. Features: 30, 28, 26, 24, 22, 20 AWG settings 0.2, 0.3, 0.4, 0.5, 0.6, 0.8 mm settings Documents: Product Video ...

Wireless Charger& Receiver
Price: $14.55
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Elecrow Item #: EL-PCW2138WC -

    The Wireless Charger& Receiver adopts two copper wire coil superposition to active the wireless charging, it can be used in electronic equipments in common use for close wireless charging or power supply. This product consisted of a transmitter and receiver, could serve as a replacement for the Wireless Power Supply with stable 5V output voltage and maximum 600mA output current. Its small size and insulation coil is more suitable for using in wireless...

Wireless GamePad V2.0 for Arduino
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Price: $102.57
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DFRobot Item #: DFR0182 -

The Wireless Joystick v2 for Arduino is the first gamepad based on Arduino from DFRobot. It support Xbee, Bluetooth, RF and Wifi via the Xbee socket. Makes it possible to custom your own wireless communication for controlling your robots, mobile platforms, UAVs and etc.This gamepad supplies two analog sticks, one reset button and 16 programmable buttons, using PS2 style button layout, which allows you to completely customize your controlling experience. It runs on three "AAA" Batteries or a...

Wireless Keyboard with Touchpad for Raspberry Pi and LattePanda
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Price: $33.62
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DFRobot Item #: DFR0330 -

This is a wonderful combo, 2.4GHz Mini Wireless QWERTY keyboard mouse, TouchPad combo, with USB interface adapter for Raspberry Pi, Cubieboard, Mini PC and others. The Ergonomically handheld design is easy to carry and operate. Build-in removable rechargable Li-ion battery that has longer standby time. Perfect for PC, Pad, Andriod TV Box, Google TV Box, Xbox360, PS3, HTPC/IPTV, and Raspberry Pi etc.Notice: After 3 minutes without any operating will swtich to sleep mode, press any key about 1s...

Wireless SD Shield
Retail: $20.75
Price: $10.60
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Elecrow Item #: EL-MCS01109S -

The Wireless SD card shield allows an Arduino board to communicate wirelessly using a wireless module, and adds storage to your Arduino project. The XBee Shield is based on the Xbee modules from Digi, but can use any Bee module with the same footprint. It supports SD, SDHC, or MicroSD TF cards. Use the on-board toggle switch to select the SD card type. And when you want plug a sd card on it,you should select the switch to the right direction. About the wireless module, it only uses you two...

WiringPi Board
Price: $1.45
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Elecrow Item #: EL-RPB4809WP -

WRTnode Dev Cables Kit
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Price: $6.21
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DFRobot Item #: FIT0414 -

This is a handy cables kit for WTRnode users. It contains a USB to TTL cable which allows for a simple way to connect TTL interface devices to USB, and a WRTnode dedicated network cable.WRTnode(A Mini OpenWRT Dev Board) is a high performance CPU, low power consuming, cheap and small dev board that can run OpenWRT OS and also easy to port all open source software of Linux. OpenWRT is a Linux distribution for embedded devices, the framework to build an application without having to build a...

WRTnode Standard Shield
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DFRobot Item #: DFR0352 -

This standard sheild for WRTnode is directly stackable with the WRTnode Mini OpenWRT Dev Board.WRTnode ?A Mini OpenWRT Dev Board?uses a MTK MT7620N 580MHZ MIPS CPU, and is powerful in both interface and functionality. But expanding its interface with jumper wires is troublesome since there are only pin headers and Micro USB available onboard. This standard shielf for WRTnode not only expands GPIO, SPI, I2C, etc., but also expands the number of USB interfaces to four, at the same time providing...

WS2801 Breakout
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Sparkfun Item #: BOB-10504 -

WS2801 Breakout Description: This is a breakout board for the WS2801 RGB LED controller, the same IC used in our addressable RGB LED strips. The board comes with the chip on one side and an RGB LED on the other. Several of these breakouts can be chained together to form a display or an addressable string. Voltage, ground, clock and data are broken out as input on one side and output on the other to standard 0.1" spaced headers. Documents: Schematic Eagle Files Datasheet (WS2801)...

WT8266-S1 WiFi Module Based on ESP8266
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DFRobot Item #: TEL0109 -

WT8266-S1 Wi-Fi module is a low consumption, high performance embedded Wi-Fi network control module designed by Wireless-Tag. It can meet the IoT application requirements in smart power grids, building automation, security and protection, smart home, remote health care etc. The module's core processor arduino ESP8266 integrates an enhanced version of Tensilica's L106 Diamond series 32-bit processor with smaller package size and 16 bit compact mode, main frequency support 80 MHz and 160 MHz,...