comparison pirelli/scale @ 58:d05b2e790e6b

Pirelli PCB: some measurements of the debug connector footprint
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Wed, 13 Nov 2013 21:00:30 +0000
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57:277fd7b971f0 58:d05b2e790e6b
1 Seeking to establish the scale between pixels and mm
2 Measuring the S71PL129NC0 footprint on L8
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4 4 corner balls of this fp:
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6 (4698,443) (5250,443)
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8 (4697,893) (5249,895)
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10 rounding width to 552 pixels, height to 450 pixels
11 the actual dimensions are supposed to be 8.80x7.20 mm
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13 estimating somewhere between 62.5 and 62.8 pixels per mm