This extension is the same as Extension 3 except for the additional power header.
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80.55mm x 50mm
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Two female standard extension headers
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One female power header
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ID system
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Two mounting holes with GND
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Two test jig holes
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Two rubber feet
Figure 1. Standard Extension 4 3D View
Figure 2. Standard Extension 4 Component Placement
Figure 3. Standard Extension 4 Mechanical Dimensions
