Sparkfun

US$2.73
It has a common anode. Two decimal points, but only the one on the right is wired.
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US$1.74
It has a common anode. Two decimal points, but only the one on the right is wired.
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US$28.64

Dimensions: Overall Display: 127 x 101.6 mm (5.00" x 4.00"). Digit Height: 153mm (6.02"). 

Delivery within 2-3 weeks
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US$9.73

This medium matrix has 64 Red/Green LEDs built into one common cathode housing. Unit comes with a black finish and a opaque LED lenses.

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US$6.93

This small matrix has both bright-red and bright-green LEDs built into one common cathode housing.

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US$41.93

This large matrix has 64 Red, 64 Green and 64 Blue individual LEDs built into one common cathode housing. Unit comes with a black finish and a opaque LED lenses.

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US$5.53
This encoder is especially cool because it has a common anode RGB LED built in, as well as a push-button.
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US$6.29
This encoder is especially cool because it has a common anode RGB LED built in, as well as a push-button.
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US$53.13
Everything you need to get started with 28 pin PICAXE microcontrollers! Kit Includes: PICAXE 28X1 IC. PCB and Parts. Interface cables. Battery Holder. Software CD.
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US$1.33

This 0.5W, 8Ohm speaker is only 40mm in diameter and just over 4mm thick. If you want to get some sound out of your project but have a tight space budget, this is a good way to do it.

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US$1.06
This is a 6 pin stackable header with extra long pins. Pins are spaced by 0.1".
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US$1.06
This is a 8 pin stackable header with extra long pins. Pins are spaced by 0.1".
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US$2.41
This is a kit of four headers, two of 6 pin headers and two of the 8 pin headers. Pins are spaced by 0.1".
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US$1.33
This DC power jack/connector is just like the other one that we carry except that it's terminated with breadboard-friendly pins instead of wide solder terminals. These are also compatible with our DC wall supplies and have a 5mm jack, with a 2.1mm center pole diameter.
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US$5.88

This is a package of ten 6 inch single female to female jumper wire set good for prototyping wire connection. These are 155mm long jumpers with female connectors on both ends.

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