Colour LED Board R3

by PetersonGoodwyn.
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2 layer board of 1.61x0.66 inches (40.89x16.79 mm).
Shared on September 26th, 2014 19:30.

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Generic Bandpass Filter

by Kelbit.
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2 layer board of 1.75x0.50 inches (44.53x12.75 mm).
Shared on September 26th, 2014 17:03.

An inline RF bandpass filter (unbalanced). Solder through-hole SMA connectors (example: DigiKey P/N A97594-ND) to the ends and then populate your own LC ladder network on the 0603 pads.

Traces have 50 ohm characteristic impedance based on OSHPark 2-layer stackup, planes have been via stitched for better RF performance.

You may want to mount the board inside a small metal box for shielding.

A good resource for calculating the LC values is: http://www-users.cs.york.ac.uk/~fisher/lcfilter/

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Powerboost Test v2

by Scott216.
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2 layer board of 1.20x0.90 inches (30.53x22.91 mm).
Shared on September 26th, 2014 15:26.

Test for solder paste dispenser

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Picomega

by bobricius.
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2 layer board of 1.37x0.48 inches (34.82x12.22 mm).
Shared on September 25th, 2014 14:12.

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ExtraCore-MD

by ModernDevice.
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2 layer board of 0.82x0.92 inches (20.85x23.39 mm).
Shared on September 25th, 2014 14:11.

An Arduino compatible derived from https://github.com/dustinandrews/ExtraCore

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