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RN-XV WiFly Module - RP-SMA Connector
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Price: $66.86
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Sparkfun Item #: WRL-11047 -

"The RN-XV module by Roving Networks is a certified Wi-Fi solution especially designed for customer who want to migrate their existing 802.15.4 architecture to a standard TCP/IP based platform without having to redesign their existing hardware. In other words, if your project is set up for XBee and you want to move it to a standard WiFi network, you can drop this in the same socket without any other new hardware. The RN-XV module is based upon Roving Networks' robust RN-171 Wi-Fi module and...

Rotary Switch Knob
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Price: $1.65
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Sparkfun Item #: COM-10263 -

Rotary Switch Knob Description: This is a simple knob which goes with our rotary switch listed below. It has a slit which allows you to see your current selection on the switch and simply snaps in place. Documents: Datasheet (947705-001)

Seeeduino Stalker v2.2
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Retail: $45.00
Price: $42.95
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SeeedStudio Item #: ARD104D2P -

Seeeduino Stalker v2.2 Seeeduino Stalker is a feature rich Arduino compatible Wireless Sensor Network node. It's modular structure and onboard peripherals makes it convenient to log and time stamp sensor data on a periodic basis. The Seeeduino Stalker is a good candidate for all your tracking, monitoring and control projects.  Features Arduino compatible, based on Seeeduino Onboard microcontroller: ATmega328P Onboard Real Time Clock chip with a supercap as a backup power source...

Serial Connector - Ribbon Cable (Female- 9-pin)
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Price: $3.39
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Sparkfun Item #: PRT-11157 -

Serial Connector - Ribbon Cable (Female, 9-pin) Description: DB9 connectors are a great way to make a tight connection on your project or to plug into existing serial lines. Now you can make your own DB9 cables the easy way with these crimp-on ribbon cable connectors. These work great with our 10-wire ribbon cable, you just need to peel back the one unneeded wire. Matching male connectors are available and can be found in the related items below. Includes: Male DB9 connector body Rear...

Skate Wheel Adapter - Shaft Connection
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Price: $10.42
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Sparkfun Item #: ROB-12329 -

"These skate wheel adaptors have a diameter of 1”, a width of 0.32”, and utilize the 0.77” hub pattern. These adaptors allow you to attach the 2.975” or 4.90” skate wheels to ¼” drive shafts. 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 Actobotics components can be intuitively connected together. The wide range of...

SM5100B Evaluation Board
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Price: $71.89
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Sparkfun Item #: CEL-09427 -

SM5100B Evaluation Board Description: This is an evaluation board for the SM5100B GSM/GPRS module; everything you need to get started with the cellular module is included on this board. With FTDI's FT232RL connected up to UART0 of the SM5100B you can send AT commands from a PC terminal straight to the module. This board comes as shown in the picture with the 60-pin SM5100B mating connector, SIM card socket, SPX29302 3.8VDC high-current voltage regulator, FT232RL USB-to-UART,...

SparkFun Bluetooth Audio Breakout - BC127
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Price: $78.17
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Sparkfun Item #: WRL-11927 -

"This is a breakout for the BC127 Bluetooth Module. The BC127 is a highly flexible, low power, small form factor Bluetooth Version 4.0 Certified Audio module. This is an ideal module for developers who want to quickly and cost effectively integrate Bluetooth functionality into their products. The BC127 Breakout board provides basic access to all the pins on the BC127 module, along with a six-pin serial header with the same pinout as the FTDI Basic boards, allowing it to connect to boards like...

SparkFun Electret Microphone Breakout
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Price: $12.09
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Sparkfun Item #: BOB-12758 -

"This small breakout board couples an Electret microphone (100Hz–10kHz) with a 60x mic preamplifier to amplify the sounds of voice, claps, door knocks or any sounds loud enough to be picked up by a microcontroller’s analog-to-digital converter. Each breakout comes fully assembled and works from 2.7V up to 5.5V. The Electret Mic Breakout translates amplitude (not volume) by capturing sound waves between two conducting plates (one a vibrating diaphragm and the other fixed) in the...

SparkFun Power Cell - LiPo Charger/Booster
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Price: $34.69
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Sparkfun Item #: PRT-11231 -

"The PowerCell board is a single cell LiPo boost converter (to 3.3V and 5V) and micro-USB charger in one. The board comes with a JST connector for a single cell LiPo battery, a micro-USB connector for the 5V charge input, and selectable 3.3V and 5V output pins (labeled ‘out’). There are also two charge pins broken out (labeled ‘charge’), so you can use another 5V power source to charge the batteries, if you don’t have a micro-USB cable. We’ve also broken out...

SparkFun ProtoShield Kit
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Price: $17.30
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Sparkfun Item #: DEV-07914 -

"Riding on the waves of the very popular Arduino USB board is this small prototyping shield. Originally spawned with collaboration between the folks at SFE and ITP @ NYU, the ProtoShield mates with the Arduino USB board and gives the user a small soldering area, two general LEDs, access to a BlueSMiRF socket, a general pushbutton switch, and most important of all - the Arduino reset switch is brought to the top level. A ProtoShield quickstart guide is available! This comes in kit form and must...

SparkFun ProtoSnap - Pro Mini
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Price: $52.08
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Sparkfun Item #: DEV-10889 -

"The SparkFun ProtoSnap is an Arduino-compatible development platform aimed at teaching the basics of Arduino programming as efficiently as possible. It requires zero assembly, wiring, or soldering, so you can jump right into programming the ProtoSnap to control LEDs, buzzers, light sensors, and more. There’s even a small prototyping space so you can add your own parts! Once you’ve gotten a firm grasp of the programming, you can snap off the individual components of the ProtoSnap...

SparkFun RF Transceiver Breakout - RFM22B-S2 (434 MHz)
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Price: $10.50
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Sparkfun Item #: WRL-10154 -

"Here is the breakout board for the RFM22B which gives you access to the pins. The RFM22B is a low-cost ISM (industrial, scientific, and medical) FSK (frequency-shift keying) transceiver module which offers communication at 434MHz and adjustable output power of up to +17 dBm. The wide operating voltage range of 1.8–3.6 V and low current consumption makes the RFM22 an ideal solution for battery powered applications. Communication with the RFM22B is achieved via a standard 4-wire SPI...

SparkFun Weather Shield
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Price: $69.47
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Sparkfun Item #: DEV-12081 -

"The Weather Shield is an easy to use Arduino shield that grants you access to barometric pressure, relative humidity, luminosity and temperature. There are also connections on this shield to optional sensors such as wind speed, direction, rain gauge and GPS for location and super accurate timing. These Weather Shields utilize the HTU21D humidity, MPL3115A2 barometric pressure, and ALS-PT19 light sensors and relies on the HTU21D and MPL3115A2 Arduino libraries. Each shield comes with two...

SPI Shortcut
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Price: $29.96
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Sparkfun Item #: TOL-09235 -

SPI Shortcut Description: The SPI Shortcut allows you to control SPI pins over USB, allowing for a virtual "SPI Terminal." Using basic serial commands you can access any SPI device such as sensors, media, and even program some devices. You can change all of the SPI features (frequency, data order, etc.) on the fly with no programming involved! Comes with a simple-to-use terminal interface. All you need is the FTDI USB driver and a basic terminal program....

Surface Mount Navigation Switch Breakout
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Price: $12.09
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Sparkfun Item #: COM-08236 -

Surface Mount Navigation Switch BreakoutDescription: This is a fully assembled simple breakout board for the surface mount 3-way switch. These switches are commonly found on handheld devices like MP3 players. This switch allows the user to navigate using up and down selections then select by pressing the plastic piece inwards. Capable of swtiching up to 1.2VA (360mA at 3.3V and 240mA at 5V).Documents: OS-1305.pdf ...

Tilt-a-Whirl Breakout - RPI-1031
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Price: $6.99
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Sparkfun Item #: SEN-12011 -

Tilt-a-Whirl Breakout - RPI-1031 Description: The RPI-1031 tilt sensor is capable of sensing a change in orientation in four different directions: forward, back, left or right. This breakout board makes it easier to incorporate the RPI-1031 in your next project by breaking the necessary pins out to standard 0.1" spaced headers. This board will work at either 3.3 or 5V. Documents: Schematic Eagle Files Datasheet (RPI-1031) Product Page(RPI-1031) Hookup Guide bildr Tutorial Product...

Transceiver nRF2401A Module Trace Antenna
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Price: $23.96
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Sparkfun Item #: WRL-00153 -

Transceiver nRF2401A Module Trace AntennaDescription: Miniature RF (MiRF) 2.4GHz transceiver modules with built in antenna designed around the Nordic Semiconductor nRF2401A with high sensitivity and good range. These units are a SparkFun exclusive; small in stature, big on performance, all wrapped up in a user friendly package. Units come with an empty 0.1" spaced footprint ready for a straight header, right angle header (recommended), or your own wires/umbilical cable.The...

Triple Axis Accelerometer Breakout - MMA7361
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Price: $20.78
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Sparkfun Item #: SEN-09652 -

Triple Axis Accelerometer Breakout - MMA7361 Description: This is a breakout board for Freescale's MMA7361L three-axis analog accelerometer. The sensor requires a very low amount of power and has a g-select input which switches the accelerometer between ±1.5g and ±6g measurement ranges. Other features include a sleep mode, signal conditioning, a 1-pole low pass filter, temperature compensation, self test, and 0g-detect which detects linear freefall. Zero-g...

Ultrasonic Range Finder - HRLV-MaxSonar-EZ4
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Price: $60.78
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Sparkfun Item #: SEN-11309 -

"These easy-to-use ultrasonic rangefinders from Maxbotix work the same way as the EZ line that you know and love, but this new high-resolution series features 1 millimeter resolution! As with the rest of the Maxbotix range finders, these sensors feature Analog Voltage, RS232 Serial, and Pulse Width outputs making them easy to interface with any microcontroller. These sensors have a maximum range of 5000 mm (195 inches) with virtually no dead zone (although objects closer than 30 cm will...

URM Ultrasonic Mounting Bracket
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Price: $9.48
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DFRobot Item #: FIT0006 -

ThisisamountingbracketdesignedforourURMultrasonicsensorseriesItisfullycompatiblewithURM37andURM04nbspnbspYoucanalsohavethisitemwithonly300rewardpoints||Specification| Mounting Pitch: 14mm(0.55 in) Weight: 5g Size: 60mm x 20mm x 30mm (2.4in x 0.8in x 1.2in)|ShippingList| Bracket x1 Rubber Ring x2 Screw x2

USB Cable - A-to-B 6 Foot Retail
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Price: $8.61
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Sparkfun Item #: RTL-10423 -

"This is a standard issue USB 2.0 cable. This is the most common A to B Male/Male type peripheral cable, the kind that’s usually used for printers. Compatible with most SFE designed USB boards as well as USB Arduino boards like the Uno. Length: 6 Feet"

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...

Webcam - USB
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Price: $29.12
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Sparkfun Item #: SEN-13873 -

"This is a simple USB webcam that can be plugged into your computer or dev board and start capturing video right away. The resolution is 1024x768, which is adequate for motion tracking or object detection, but don’t expect to use it for photography or movie making. This new version has added a microphone as well. Note: This webcam works well in Linux, so it pairs well with a pcDuino or other Single Board Computer. Features: Max Resolution: 1024x768 4' (1219mm) Cable USB A connector 3.5mm...

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...

WS2801 Breakout
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Price: $5.99
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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)...

XBee Pro 63mW PCB Antenna - Series 2B (ZigBee Mesh)
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Price: $78.33
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Sparkfun Item #: WRL-10418 -

"This is the XBee XBP24-BZ7PIT-004 module from Digi. The new Series 2B improves upon the power output and data protocol of the Pro Series2. Series 2B modules allow you to create complex mesh networks based on the XBee ZB ZigBee mesh firmware. These modules allow a very reliable and simple communication between microcontrollers, computers, systems, really anything with a serial port! Point to point and multi-point networks are supported. Series 2B modules use a different hardware configuration...