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366 2mm 10 pin socket header (for XBee)
366 2mm 10 pin socket header (for XBee), pack of 2
US$1.75
XBees are so cute and tiny but if you're using them in a circuit you'll be annoyed to find that your classic 0.1" headers don't fit them! That's because they use 2mm spacing instead of 2.54mm spacing. That's why you need a special socket like this one.
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888 Aluminum iPhone 4S 0.8mm 5-Point Star/Pentalobe Screwdriver
888 Aluminum iPhone 4S 0.8mm 5-Point Star/Pentalobe Screwdriver
US$17.42
The body is made from a single piece of aluminum and has nice knurled grips. The end-cap rotates so you can keep the body steady while rotating. The tip is nicely machined and is magnetic so it holds the miniscule screws in place while inserting/removing them.
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711 DC Toy / Hobby Motor - 130 Size
711 DC Toy / Hobby Motor - 130 Size
US$3.42
These are standard '130 size' DC hobby motors. They come with a wider operating range than most toy motors: from 4.5 to 9VDC instead of 1.5-4.5V. This range makes them perfect for controlling with an Adafruit Motor Shield, or with an Arduino where you are more likely to have 5 or 9V available than a high current 3V setting.
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918 Small Reduction Stepper Motor - 12VDC 48-Step 1/16 Gearing
918 Small Reduction Stepper Motor - 12VDC 48-Step 1/16 Gearing
US$8.67
This is a great first stepper motor, good for small projects and experimenting with steppers. This uni-polar motor has a built in mounting plate with two mounting holes. 
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1201 Vibrating Mini Motor Disc
1201 Vibrating Mini Motor Disc
US$3.42
Two wires are used to control/power the vibe. Simply provide power from a battery or microcontroller pin (red is positive, blue is negative) and it will buzz away. Works from 2V up to 5V, higher voltages result in more current draw but also a stronger vibration.
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368 Female DC Power adapter - 2.1mm jack to screw terminal block
368 Female DC Power adapter - 2.1mm jack to screw terminal block
US$2.49
If you need to connect a DC power wall wart to a board that doesn't have a DC jack - this adapter will come in very handy! There is a 2.1mm DC jack on one end, and a screw terminal block on the other.
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875 8 x AA battery holder with 5.5mm/2.1mm Plug and On/Off Switch
875-ADA 8 x AA battery holder with 5.5mm/2.1mm Plug and On/Off Switch
US$7.98

Perfect for portable Arduinos, motors, solenoids, 12V LED strips, etc. An On/Off switch lets you control the power right at the source without unplugging. Batteries not included. Dimensions: 1127mm x 71mm x 19mm (5in x 2.8in x 0.76in). Attached lead + plug is 14cm/6in long. Weight (without batteries): 75g.

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369 Male DC Power adapter - 2.1mm plug to screw terminal block
369 Male DC Power adapter - 2.1mm plug to screw terminal block
US$2.49
If you need to connect a battery pack or wired power supply to a board that has a DC jack - this adapter will come in very handy! There is a 2.1mm DC plug on one end, and a screw terminal block on the other.
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830 4 x AA Battery Holder with On/Off Switch
830 4 x AA Battery Holder with On/Off Switch
US$5.17
Make a nice portable power pack with this 4 x AA battery holder. It fits any alkaline or rechargeable AA batteries in series. There's a snap on cover and an on/off switch which can be handy when wiring to something without a switch.
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770 Waterproof 2xAA Battery Holder with On/Off Switch
770 Waterproof 2xAA Battery Holder with On/Off Switch
US$6.92
Keep your power source safe and toasty in these waterproof 2xAA battery holders. They're just like classic switched battery holders, but designed for survival! The case has a rubber gasket around the edge of the case (its black and hard to see in the photos but it is there) and attaches together with 4 machine screws.
Delivery within 2-3 weeks
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188 Graphic KS0108 LCD 128x64 + extras - white on blue
188 Graphic KS0108 LCD 128x64 + extras - white on blue
US$42.00
A big, bold, beautiful blue LCD with white back-lit pixels. This LCD is the graphical upgrade to those popular 16x2 LCDs, but allows full graphical control.
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338 Nokia 5110/3310 monochrome LCD + extras
338 Nokia 5110/3310 monochrome LCD + extras
US$17.50
These displays were used in old Nokia 5110/3310 cell phones (before the smart-phone fad turned every cell phone into a TV). It's a 84x48 pixel monochrome LCD display.
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353 Lithium Ion Battery Pack - 3.7V 6600mAh
353-ADA Lithium Ion Battery Pack - 3.7V 6600mAh
US$69.13
Need a massive battery for your project? This lithium ion pack is made of 3 balanced 2200mAh cells for a total of 6600mA capacity! The cells are connected in parallel and spot-welded to a protection circuit that provides over-voltage, under-voltage and over-current protection.
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153 Breadboarding wire bundle
153 Breadboarding wire bundle
US$10.50
65 flexible stranded core wires with stiff ends molded on in red, orange, yellow, green, blue, brown, black and white. These are a major improvement over the "box of bent wires" that are sometimes sold with breadboards, and faster than stripping your own solid core wires. Makes breadboarding super fast.
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1148 Adafruit Half-size Perma-Proto Raspberry Pi Breadboard PCB Kit
1148 Adafruit Half-size Perma-Proto Raspberry Pi Breadboard PCB Kit
US$10.42
We put a PermaProto half sized proto board in a blender with a Pi Cobbler and out emerged this very tasty confection - the PermaProto for Pi! It has the Cobbler baked right in. Simply solder the 2x13 pin header in and you get all the labeled breakouts with tons of prototyping space, power rails, mounting holes and that gorgeous silk.
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591 Adafruit Perma-Proto Super Pack!
591 Adafruit Perma-Proto Super Pack!
US$61.17
Pick up a super pack of our Perma-Proto PCBs, perfect for professional prototyping projects! This super pack contains 3 each of our 3 sizes - 9 PCBs total. You'll always have the right size for whatever you're working on.
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723 Adafruit Perma-Proto Mint Tin Size Breadboard PCB
723 Adafruit Perma-Proto Mint Tin Size Breadboard PCB
US$10.42
This proto-board is the PCB you always wish you had, but never realized it! We took the basic layout of a half-sized breadboard, extended it to the size of a mint tin and turned that into a beautiful PCB.
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589 Adafruit Perma-Proto Quarter-sized Breadboard PCB - 3 Pack!
589 Adafruit Perma-Proto Quarter-sized Breadboard PCB - 3 Pack!
US$15.67
This proto-board is the PCB you always wish you had, but never realized it! We took the basic layout of a quarter-sized breadboard (basically, a 'tiny' breadboard plus power rails) and turned that into a beautiful PCB.
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1081 Configurable Spring Terminal Blocks - 3 Pin 0.1" Pitch x 5
1081 Configurable Spring Terminal Blocks - 3 Pin 0.1" Pitch x 5
US$8.67
Instead of soldering wires to your perf board, solder in these 0.1" pitch terminal blocks. There's a little spring contact so you can pull back on the plastic bit and slip in your 20 to 26 AWG solid or stranded-core wires. Each terminal block is electrically isolated from those next to it.
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321 Large Alligator Clip Test Lead (set of 10)
321 Large Alligator Clip Test Lead (set of 10)
US$8.67
Connect this to that without soldering using these handy alligator clip test leads. 20" cables with alligator clip on each end, color coded. You get 10 pieces in 5 colors. Strong and grippy, these always come in handy!
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1240 SMT Test Socket - TQFP-32 Breakout
1240 SMT Test Socket - TQFP-32 Breakout
US$78.67
You know those ZIF sockets we have for DIP chips? Well these are just like that but for SMT parts! Yeah, that's right, now you can program and test out your favorite new parts in TQFP-32 packages. This test sockets is good for any QFP-32 in a 7mm square body. Simply open the latch, place the chip in carefully and then close the top over it. The chip is held securely against gold 'fingers' in the socket.
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1010 Colorful Square Tactile Button Switch Assortment - 15 pack
1010 Colorful Square Tactile Button Switch Assortment - 15 pack
US$11.46
These buttons are bigger than the 6mm ones we carry, and come in a pack of 15. Each button comes with a candy-colored square cap that snaps on. You get three of each color-- blue, grey, yellow, green, and red. The square plastic button tops affix easily to the tactile switch body.
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400 Extra-long break-away 0.1" 16-pin strip male header (5 pieces)
400 Extra-long break-away 0.1" 16-pin strip male header (5 pieces)
US$5.25
Each pack contains 5 x 16-pin long headers, 0.1" pitch, that can be stacked next to each other on a 0.1" grid and broken apart easily with pliers or diagonal cutters. They're even gold plated so they wont oxidize!
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598-ADA 36-pin 0.1" Female header - pack of 5!
598-ADA 36-pin 0.1" Female header - pack of 5!
US$5.17
Each pack contains five 36-pin long headers, 0.1" pitch. They're even gold plated so they wont oxidize! You can cut these down to different sizes fairly easily. First, count how many positions you want as the final piece, then pull out the next pin using a pair of pliers. Finally, cut through the empty spot with diagonal cutters. You can clean off the half-spot using a file or with the diagonal cutters. These are 'standard' female 0.1" headers such as used on dev boards like the Arduino. If you have something with 0.1" square-pin male header on it its almost certainly going to match with these (the only exception is 'round' swiss-pin headers, but those are not as common).
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732 MCP23017 - i2c 16 input/output port expander
732 MCP23017 - i2c 16 input/output port expander
US$5.17
Add another 16 pins to your microcontroller using a MCP23017 port expander. The MCP23017 uses two i2c pins (these can be shared with other i2c devices), and in exchange gives you 16 general purpose pins. You can set each of 16 pins to be input, output, input with a pullup or open drain.
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1009 Colorful Round Tactile Button Switch Assortment - 15 pack
1009 Colorful Round Tactile Button Switch Assortment - 15 pack
US$10.42
These buttons are bigger than the 6mm ones we carry, and come in a pack of 15. Each button comes with a candy-colored round cap that snaps on. You get three of each color-- blue, grey, yellow, green, and red. The round plastic button tops affix easily to the tactile switch body
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1046 Small 1.2" 8x8 Ultra Bright Yellow-Orange LED Matrix - BL-M12A881UYO-11
1046 Small 1.2" 8x8 Ultra Bright Yellow-Orange LED Matrix - BL-M12A881UYO-11
US$7.88
64 amber 235mcd LEDs are contained inside the plastic body, in an 8x8 matrix. 
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358 1.8" 18-bit color TFT LCD display with microSD card breakout - ST7735R
358 1.8" 18-bit color TFT LCD display with microSD card breakout - ST7735R
US$30.95
This lovely little display breakout is the best way to add a small, colorful and bright display to any project. Since the display uses 4-wire SPI to communicate and has its own pixel-addressable frame buffer, it can be used with every kind of microcontroller. Even a very small one with low memory and few pins available!
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198 Standard LCD 20x4 + extras - white on blue
198 Standard LCD 20x4 + extras - white on blue
US$27.65
Features: 20 characters wide, 4 rows. White text on blue background. Connection port is 0.1" pitch, single row for easy breadboarding and wiring. Single LED backlight included can be dimmed easily with a resistor or PWM and uses much less power than LCD with EL (electroluminescent) backlights. And more.
Delivery within 2-3 weeks
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878 Adafruit 0.56" 4-Digit 7-Segment Display w/I2C Backpack - Red
878 Adafruit 0.56" 4-Digit 7-Segment Display w/I2C Backpack - Red
US$17.42

The product kit comes with: A fully tested and assembled LED backpack. Ultra-bright 4-digit 0.56" tall red seven-segment display. 4-pin header. A bit of soldering is required to attach the matrix onto the backpack but its very easy to do and only takes about 5 minutes. 

Delivery within 2-3 weeks
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871 Adafruit Mini 8x8 LED Matrix w/I2C Backpack - Yellow
871 Adafruit Mini 8x8 LED Matrix w/I2C Backpack - Yellow
US$17.42

The product kit comes with: A fully tested and assembled LED backpack. Ultra-bright 8x8 yellow matrix. 4-pin header. A bit of soldering is required to attach the matrix onto the backpack but its very easy to do and only takes about 5 minutes. 

Delivery within 2-3 weeks
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285 RGB LED weatherproof flexi-strip 30 LED - (1 m)
285 RGB LED weatherproof flexi-strip 30 LED - (1 m)
US$28.00
There are 30 RGB LEDs per meter, and you can control the entire strip at once with any microcontroller and three transistors. The way they are wired, you will need a 9-12VDC power supply and then ground the R/G/B pins to turn on the three colors.
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