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26 lines
705 B
Plaintext
26 lines
705 B
Plaintext
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Board characteristics:
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- two layers, components only on front
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- smallest components are 0402 and 0.5 mm pitch QFN
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- one through-hole component: USB connector CON1
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- the following orientation markings are on the silk screen:
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B1: circle near pin 1
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D1: plus sign at the anode
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U1, U2: triangle at the corner between pins 1 and 32
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Design files:
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atusb-bom.csv Bill of materials
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atusb-pos.csv Automatic insertion file
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* footprints
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The PCB design files are in a separate archive, atusb-pcb-*
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Interpretation of files:
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- for all coordinates, the origin is the lower left corner of the board
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- coordinates in atusb-pos.csv are in inches
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- rotation in atusb-pos.csv is in degrees, counter-clockwise
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