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Ray drv8871: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero 3bebd48
{"orientation_deg": 0, "font_size_mm": 0.7568, "reading": {"source": "pin1_xy", "pin1_xy": [-2.875, 1.905], "dot": [-1.304, 1.804], "dot_agrees": true}, "legible_estimate": true, "natural_up": null, "overflow": false}