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Biomedical Sensor Pad (10 pack)
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Price: $13.83
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Sparkfun Item #: SEN-12969 -

"This is a 10 pack of Biomedical Sensor Pads, disposable electrodes that can be used to measure EEG, ECG and EMG levels. these little pads are perfect for short-term monitoring of Neurofeedback and Biofeedback purposes. They are to be used once and are very handy because of integrated, latex-free gel. Each pad adheres very well to the skin and the snap connector can be pushed on or removed from the electrode lead with no issue. Note: This product is NOT a medical device and is not intended to...

BITalino (r)evolution Board Kit
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Price: $438.12
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Sparkfun Item #: DEV-14022 -

"This is the BITalino ( r )evolution Board Kit, a (comparatively) low-cost biomedical data acquisition dev board that allows you to create projects using physiological sensors and tools. Each BITalino is presented in a “ProtoSnap style,” enabling it to be programmed as a whole board or snapped apart for use in future projects. This dev board also has no shortage of programming APIs, which include Arduino, Python, Java, Android, iOS and more. The BITalino is equipped with 14...

Black Chicken Head Knob - 14x20mm
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Price: $1.65
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Sparkfun Item #: COM-10000 -

"Knobs are a great way to finish off your project and make it easier to adjust the level of your death ray. This knob mates to a 0.25" shaft with a set screw. The main body of these knobs have a 14mm, but extend to 32mm overall. They also have a brass insert for a tighter fit with the shaft. Dimensions: 14mm high 20mm diameter 6mm depth for shaft "

Black Knob - 15x19mm
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Price: $1.65
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Sparkfun Item #: COM-09998 -

"Knobs are a great way to finish off your project and make it easier to adjust the level of your death ray. This knob mates to a 0.25" shaft with a set screw. Dimensions: 15mm high 19mm diameter "

Black Metal Knob - 14x24mm
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Price: $2.61
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Sparkfun Item #: COM-10002 -

"Knobs are a great way to finish off your project and make it easier to adjust the level of your death ray. This knob mates to a 0.25" shaft. The knob slides onto the potentiometer and holds tightly with a strong friction fit. The main body of these knobs is metal with a plastic insert. The outside is knurled for precise adjustment. Dimensions: 14mm high 24mm diameter "

Blackberry Trackball
Price: $8.61
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Sparkfun Item #: COM-09308 -

"This is a tiny trackball akin to those found on a number of Blackberry models (8100, 8300, 8320, 8800, 8830, etc). Each of the four spindles have a tiny circular magnet on each end. Great when paired with very small SMD Hall effect sensors. Ball is clear to allow for LEDs placed underneath to light up the ball. Features: Center select button 360° direction Dimensions: 9x11mm Documents: Blackberry Teardown Inside the Blackberry (BOM) " ...

bladeRF x40
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Price: $876.46
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Sparkfun Item #: WRL-14041 -

"The bladeRF x40 is an affordable USB 3.0 Software-Defined Radio (SDR) designed to allow students and RF enthusiasts to explore wireless communication, and to provide professionals with a versatile COTS waveform development platform. The bladeRF x40 is a great next step after using an SDR like the HackRF One, especially with the built-in FPGA providing you with more user-defined options. Out of the box, the bladeRF can tune from 300MHz to 3.8GHz without the need for extra boards. Through open...

BlinkM - I2C Controlled RGB LED
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Price: $23.65
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Sparkfun Item #: COM-08579 -

"BlinkM is a “Smart LED”, a networkable and programmable full-color RGB LED for hobbyists, industrial designers, prototypers, and experimenters. It is designed to allow the easy addition of dynamic indicators, displays, and lighting to existing or new projects. If you’ve used up all your microcontroller PWM channels controlling RGB LEDs and still want more, BlinkM is for you. BlinkM uses a high quality, high power RGB LED and a small AVR microcontroller to allow a user to...

BlinkM MaxM - I2C Controlled RGB LED
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Price: $45.56
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Sparkfun Item #: COM-09000 -

"If you used BlinkM and you thought it was good, but needed something to temporarily blind your enemy, the MaxM is what you need. Three large 10mm LEDs combine the forces of 15 individual LED cores to create a flood of RGB light. BlinkM MaxM is an intensely-bright smart LED for prototyping that comes as a package of two components, a control module (MaxM Master) and a daughter board with three ultrabright LEDs (MaxM Blaster). MaxM Master runs a unique firmware that creates virtually any RGB...

Blinky Buildings: Empire State
Price: $27.30
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Sparkfun Item #: KIT-13206 -

"This is the Empire State Blinky Building, a simple PTH soldering kit designed by Alicia Gibb that you will be able to use as a great beginners soldering project or as an example on creating open source hardware derivatives. With this kit you and the vast community of hackers will be able to use something to experiment on and modify to your liking. This Blinky Building kit epitomizes the OSHW movement as a whole. Take this board, which is currently in the design of New York’s Empire...

Blower - Squirrel Cage (12V)
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Price: $8.61
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Sparkfun Item #: COM-11270 -

"This DC Blower really moves some air! Pulling about 1Amp @ 12VDC, this blower is rated at 16CFM (although it seems like more to us). We’ve used this blower to build small hovercrafts and to cool off on a hot day, they’re also handy for inflating “transforming” e-textiles garments! Features: Rated Voltage: 6-12VDC Rated Current: 1Amp Rated Airflow: 16CFM Rated Power: 10W Outlet Diameter: 33mm Fan Speed: 3000-3500rpm " ...

Bluetooth - LiPo Add-On for Makey Makey
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Price: $52.08
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Sparkfun Item #: WRL-11378 -

Bluetooth & LiPo Add-On for Makey Makey Description: The MaKey MaKey is really cool, but wouldn't it be cooler if it wasn't tethered to your computer? There's only one way to find out: Go wireless. Our Bluetooth & LiPo Add-On for MaKey MaKey frees your MaKey invention from the bonds of USB wired connection. Data is passed over a Bluetooth HID connection to your Bluetooth enabled computer which will recognize it as a Bluetooth wireless keyboard. Power is handled through a...

Bluetooth Mate
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Price: $112.95
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Sparkfun Item #: WRL-09358 -

Bluetooth Mate Description: The Bluetooth Mate is very similar to our BlueSMiRF modem, but it is designed specifically to be used with our Arduino Pros and LilyPad Arduinos. These modems work as a serial (RX/TX) pipe, and are a great wireless replacement for serial cables. Any serial stream from 9600 to 115200bps can be passed seamlessly from your computer to your target. We've tested these units successfully over open air at 350ft (106m)! Bluetooth Mate has the same pin out as the...

Bluetooth Module Breakout - Roving Networks (RN-41)
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Price: $104.25
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Sparkfun Item #: WRL-10559 -

Bluetooth Module Breakout - Roving Networks (RN-41) Description: This is a simple breakout for the Roving Networks Bluetooth module. All pertinent pins are broken out and labeled. This new version's headers are unpopulated. Check below for appropriate headers. The module from Roving Networks is powerful, small, and very easy to use. This Bluetooth module is designed to replace serial cables. The Bluetooth stack is completely encapsulated. The end user just sees serial characters...

Bluetooth SMD Module - RN-41 (v6.15)
Price: $47.38
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Sparkfun Item #: WRL-12575 -

"This module from Roving Networks is powerful, small, and very easy to use. This Bluetooth module is designed to replace serial cables. The Bluetooth stack is completely encapsulated. The end user just sees serial characters being transmitted back and forth. Press the ‘A’ character from a terminal program on your computer and an ‘A’ will be pushed out the TX pin of the Bluetooth module. Note: These modules have been revised to remove three unused RF pads from the bottom...

Bluetooth SMD Module - RN-42
Price: $20.87
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Sparkfun Item #: WRL-10253 -

Bluetooth SMD Module - RN-42 Description: This module from Roving Networks is powerful, small, and very easy to use. This Bluetooth module is designed to replace serial cables. The Bluetooth stack is completely encapsulated. The end user just sees serial characters being transmitted back and forth. Press the 'A' character from a terminal program on your computer and an 'A' will be pushed out the TX pin of the Bluetooth module. The RN-42 is pin a compatible substitution for the RN-41....

Bluetooth SMD Module - RN-42 (v6.15)
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Price: $32.95
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Sparkfun Item #: WRL-12574 -

"This is the RN-42 module from Roving Networks, a powerful, small, and very easy to use. This Bluetooth module is designed to replace serial cables. The Bluetooth stack is completely encapsulated. The end user just sees serial characters being transmitted back and forth. Press the ‘A’ character from a terminal program on your computer and an ‘A’ will be pushed out the TX pin of the Bluetooth module. The RN-42 is pin a compatible substitution for the RN-41. The primary...

Bluetooth USB Module Mini
Price: $19.04
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Sparkfun Item #: WRL-09434 -

"This is a handy little Bluetooth USB mini-adapter. This adapter supports Bluetooth v2.0 class 1 and has a maximum distance of up to 100m. The adapter also includes an indicator LED. Great for laptops and if you’re on the go! This device does not include any drivers or software, however, you shouldn’t need any as it supports the native Windows Bluetooth stack (Windows XP, Vista, 7). Plug it in and Windows should handle the rest. Of course, we couldn’t resist taking it apart....

BNC Connector - Right Angle
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Price: $4.35
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Sparkfun Item #: PRT-10550 -

"BNC connectors are ideal for quick connects to audio coax and high-frequency signal lines. This is a right-angle connector and comes with a lock washer and nut. Documents: Dimensional Drawing "

BNC Probe Kit
Price: $26.00
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Sparkfun Item #: CAB-09486 -

"The BNC probe kit includes a 20MHz professional probe with hook and tip as well as a couple converters to connect the probe to either a BNC jack, RCA jack, or a PCB mount. This kit was designed for use with our Digital Oscilloscope Kit, but there are sure to be a variety of other uses. Kit Includes: 20MHz professional probe with tip, hook connector and ground alligator clip BNC-to-RCA(male) converter BNC-to-PCB mount converter " ...

BNC to Alligator Cable
Price: $8.61
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Sparkfun Item #: CAB-00504 -

"These are various leaded cables for attaching to multimeters, power supplies, oscilloscopes, function generators, etc. Dimensions: 36" Long"

Brass Sponge
Price: $5.13
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Sparkfun Item #: TOL-08964 -

"This is a brass sponge that will help clean your soldering iron tip. Use it to remove residue from your iron tip before soldering. It cleans better than conventional sponges and will not damage your iron tip. Made of low abrasive brass shavings and requires no water. Works well as a replacement brass sponge for the Brass Sponge Base sold below."

Breadboard - Classic
Price: $17.30
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Sparkfun Item #: PRT-00112 -

"Your first exposure to electrical engineering - the bread board. Who knew it would bring so much frustration? This is your standard solderless breadboard - three binding posts, two power buses, black aluminum plate backing. It works with a wide variety of wire gauges (29-20 AWG). Check out our Unregulated Power Supply Tutorial! Note: The power rails are unbroken on both sides. Dimensions: Board: 165x56x8.5 mm Aluminum Plate: 183x95x1.5 mm " ...

Breadboard - Full-Size (Bare)
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Price: $10.35
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Sparkfun Item #: PRT-12615 -

"Description: This is your tried and true full size solderless breadboard! It has 2 split power buses, 10 columns, and 63 rows - with a total of 830 tie in points. All pins are spaced by a standard 0.1". The two sets of five columns are separated by about 0.3", perfect for straddling a DIP package over. The board accepts wire sizes in the range of 20-29AWG. This board also has a self-adhesive on the back. The boards also have interlocking parts, so you can hook as many together as you’d...

Breadboard - Giant
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Price: $34.69
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Sparkfun Item #: PRT-12614 -

"Description: This is one giant solderless breadboard! It has 7 power buses, 40 columns, and 63 rows - with a total of 3220 tie in points. All pins are spaced by a standard 0.1". The two sets of five columns are separated by about 0.3", perfect for straddling a DIP package over. The board accepts wire sizes in the range of 20-29AWG. This board also has 4 binding posts, a black aluminum plate backing, and 4 rubber standoffs to keep your breadboard suspended safely on your workstation....

Breadboard - Mini Modular (Black)
Price: $6.87
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Sparkfun Item #: PRT-12047 -

"This black Mini Breadboard is a great way to prototype your small projects! With 170 tie points there’s just enough room to build and test simple circuits; They’re also great for breaking out DIP package ICs to jumper wires! If you run out of room, no worries, these mini breadboards can be snapped together to form larger stretches of board. It has a peel and stick adhesive backing as well as two mounting holes for M2 screws so you can anchor it down. Note: These will not connect...

Breadboard - Mini Modular (Blue)
Price: $6.87
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Sparkfun Item #: PRT-12045 -

"This blue Mini Breadboard is a great way to prototype your small projects! With 170 tie points there’s just enough room to build and test simple circuits; They’re also great for breaking out DIP package ICs to jumper wires! If you run out of room, no worries, these mini breadboards can be snapped together to form larger stretches of board. It has a peel and stick adhesive backing as well as two mounting holes for M2 screws so you can anchor it down. Note: These will not connect...

Breadboard - Mini Modular (Green)
Price: $6.87
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Sparkfun Item #: PRT-12046 -

"This green Mini Breadboard is a great way to prototype your small projects! With 170 tie points there’s just enough room to build and test simple circuits; They’re also great for breaking out DIP package ICs to jumper wires! If you run out of room, no worries, these mini breadboards can be snapped together to form larger stretches of board. It has a peel and stick adhesive backing as well as two mounting holes for M2 screws so you can anchor it down. Note: These will not connect...

Breadboard - Mini Modular (Red)
Price: $6.87
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Sparkfun Item #: PRT-12044 -

"This red Mini Breadboard is a great way to prototype your small projects! With 170 tie points there’s just enough room to build and test simple circuits; They’re also great for breaking out DIP package ICs to jumper wires! If you run out of room, no worries, these mini breadboards can be snapped together to form larger stretches of board. It has a peel and stick adhesive backing as well as two mounting holes for M2 screws so you can anchor it down. Note: These will not connect...

Breadboard - Mini Modular (White)
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Price: $6.87
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Sparkfun Item #: PRT-12043 -

"This white Mini Breadboard is a great way to prototype your small projects! With 170 tie points there’s just enough room to build and test simple circuits; They’re also great for breaking out DIP package ICs to jumper wires! If you run out of room, no worries, these mini breadboards can be snapped together to form larger stretches of board. It has a peel and stick adhesive backing as well as two mounting holes for M2 screws so you can anchor it down. Note: These will not connect...

Breadboard - Self-Adhesive (White)
Price: $8.61
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Sparkfun Item #: PRT-12002 -

"This is your tried and true white solderless breadboard. It has 2 power buses, 10 columns, and 30 rows - a total of 400 tie in points. All pins are spaced by a standard 0.1". The two sets of five columns are separated by about 0.3", perfect for straddling a DIP package over. The board accepts wire sizes in the range of 29-20AWG. This board also has a self-adhesive on the back. The boards also have interlocking parts, so you can hook as many together as you’d like. Dimensions: 3.29 x...

Breadboard - Translucent Self-Adhesive (Clear)
Price: $8.61
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Sparkfun Item #: PRT-09567 -

"Description: Ever wonder what goes on inside these things? Well this clear bread board might enlighten. Beyond the clear plastic, this is really just a regular, solderless breadboard. It has 2 power buses, 30 columns, and 10 rows - a total of 400 tie in points. All pins are spaced by a standard 0.1". The two sets of five rows are separated by about 0.3", perfect for straddling a DIP package over. The board accepts wire sizes in the range of 29-20AWG. This board also has a self-adhesive on the...

Breadboard - Translucent Self-Adhesive (Red)
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Price: $8.61
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Sparkfun Item #: PRT-11317 -

"Description: How could anyone improve on the clear plastic breadboard. I mean, that’s pretty sweet right? What if it was red? This translucent red breadboard is probably the coolest looking regular, solderless breadboard there is. It has 2 power buses, 30 columns, and 10 rows - a total of 400 tie in points. All pins are spaced by a standard 0.1". The two sets of five rows are separated by about 0.3", perfect for straddling a DIP package over. The board accepts wire sizes in the range of...

Breadboard Dock for Onion Omega
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Price: $19.13
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Sparkfun Item #: DEV-14436 -

"The Breadboard Dock brings breadboard compatibility to the Onion Omega, mapping all of its pins to a standard 0.1" spacing, allowing you to access all of the Omega’s IOs in your breadboard project. Due to the Omega’s 2mm pin spacing, this dock is about as close as you can get to plugging it directly into a breadboard. Power is provided to the Omega and the breadboard dock with any microUSB cable. This dock also includes a regulator circuit that ensures the Omega always receives...

Break Away Female Headers - Swiss Machine Pin
Price: $6.87
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Sparkfun Item #: PRT-00743 -

"Single row of 30-holes, female header with swiss round machined pins. These units have very high quality round pins to accept and retain machine pin headers much better. Can be cut to size with a pair of wire-cutters. Standard .1" spacing. We use them extensively in the Olimex development boards. They mate very well with break away headers. Features: Receptacle Style: Machine (Round) Number of Pins: 30 Pin Spacing: 0.1" (2.54 mm) Receptacle Depth: 3 mm Documents:30-Pin Swiss Female Headers" ...

Break Away Headers - 40-pin Male (Long Centered, PTH, 0.1")
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Price: $1.30
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Sparkfun Item #: PRT-12693 -

"This is a row of 40 break away headers spaced 0.1" apart with long pins on both sides. This header is especially useful when you need to connect a PCB to a solderless breadboard. Each header can be broken apart to your preference to fit custom PCBs or general custom headers. Documents: Dimensional Drawing "

Break Away Headers - Long
Price: $5.13
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Sparkfun Item #: PRT-10158 -

"These are a longer version of our standard break away headers. They are 17mm long which allows you use them socket to socket. The plastic separator can be slid up or down to accommodate your needs. You will get a row of 40 pins. They can be broken or snipped to length.Features: Pin Style: Square Pins Number of Pins: 40 Pin Spacing: 0.1" (2.54 mm) Pin Length: 17 mm Documents: Dimensional Drawing " ...

Break Away Headers - Machine Pin
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Sparkfun Item #: PRT-00117 -

"This is a very large row of high quality machine pin headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers. Why machine pin? Machine pins are round making better contact with IC sockets and connectors. Features: Pin Style: Machine Pins (Round) Number of Pins: 40 Pin Spacing: 0.1" (2.54 mm) "

Break Away Headers - Right Angle 2x40
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Price: $3.39
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Sparkfun Item #: COM-12792 -

"This is a 2x40 pin right-angle PTH header. This header can be broken apart with a fair amount of force to form smaller header formations. Don’t worry, it’s easy enough to break it where you need! Each pin has a spacing of 0.1" in between each other. Documents: Datasheet "

Break Away Headers - Right Angle 3x40
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Price: $8.61
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Sparkfun Item #: COM-10095 -

"Here we have some right-angle headers with 40x3 pins. They are break away and will take a bit of effort to break this beast where you need it to break. That being said, if you need a big header like this, it’s easy enough to break it where you need. The pins are spaced at 0.1" and there are 3 rows of 40 pins. These work well in the UAV boards listed below."

Break Away Headers - Straight
Price: $2.61
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Sparkfun Item #: PRT-00116 -

"A row of headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers. Features: Pin Style: Square Number of Pins: 40 Pin Spacing: 0.1" (2.54 mm) Pin Length: 11.5 mm "

Break Away Male Headers - Right Angle
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Price: $3.39
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Sparkfun Item #: PRT-00553 -

"A row of right angle male headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers. Features: Pin Style: Square Pins Number of Pins: 40 Pin Spacing: 0.1" (2.54 mm) Pin Length: 10.25 x 4.5 mm "

Breakout Board for Micro: bit
Price: $13.03
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Elecrow Item #: EL-DTS02078B -

This is a GPIO expansion board for Micro: bit. It completely compatible with the Micro: bit and respectively extended the UART port and IIC port. It can make it easy for you to use the extenal pins of the Micro: bit. Specifications IIC and UART port. 3 x 20 GPIO pins. Size: 65mm x 33mm Package list Elecrow breakout board for Micro: bit x 1 Wiki & External links User manual (wiki link) ...

Breakout Board for SC16IS750 I2C-SPI-to-UART IC
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Price: $17.97
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Sparkfun Item #: BOB-09981 -

Breakout Board for SC16IS750 I2C/SPI-to-UART IC Description: This is a breakout board for the SC16IS750, a handy chip used to convert I2C or SPI serial signals to a single-channel, high-performance UART. As an application example: we use this chip on our WiFly Shield to allow an Arduino to communicate with the WiFly RN-131G module - which is normally controlled via a UART - using an SPI interface. This allows for greater communication speeds and frees up the Arduino's UART for...

Breakout Board for XBee Module
Price: $5.13
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Sparkfun Item #: BOB-08276 -

"This is a simple breakout board for the popular XBee product from Digi. This board breaks out all 20 pins of the XBee to a 0.1" standard spacing dual row header. The spacing between 0.1" headers is 0.5" making it breadboard DIP friendly. We highly recommend using the female sockets to avoid having to solder the XBee permanently to the breakout board. This is the PCB only. Please order the accompanying 2mm sockets (you’ll need 2!) and 0.1" headers below. Documents: Schematic Eagle...

Bridge Filament 3mm - 0.45kg (Clear)
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Price: $37.46
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Sparkfun Item #: TOL-13937 -

"This is a 0.45kg (1lb) reel of 3mm “clear” Bridge nylon co-polymer filament for 3D printing. Taulman’s “Bridge” high-strength nylon co-polymer bridges the strength of nylon 645 and the ease of printing of ABS/PLA. Items printed in Bridge nylon filament are stronger and more resilient than parts printed in more common materials. Since Bridge prints cleanly and easily, you can print complex models that are ready to be used. The combination of strength, reduced...

British Telecom Connector - BTA (female)
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Price: $3.39
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Sparkfun Item #: PRT-12753 -

"These analog (RH) British Telecom connectors are primarily used by our English friends across the pond but here at SparkFun we like to use them for Vernier sensors. These 6-pin connectors are very similar to the RJ11s we use here in North America except instead of a bottom-mounted hook lock, the BTA uses a side-mounted lock. These BTA connectors are perfect for educators or other users who need to set up a Custom Vernier analog sensor which produces a voltage that changes from high to low or...

British Telecom Connector - BTD (female)
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Price: $3.39
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Sparkfun Item #: PRT-12754 -

"These digital (LH) British Telecom connectors are primarily used by our English friends across the pond but here at SparkFun we like to use them for Vernier sensors. These 6-pin connectors are very similar to the RJ11s we use here in North America except instead of a bottom-mounted hook lock, the BTD uses a side-mounted lock. These BTD connectors are perfect for educators or other users who need to set up a Custom Vernier digital sensor which produces a voltage that needs to be measured like...