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Ray max3221: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero 4198f5f 1mo ago
{"orientation_deg": 0, "font_size_mm": 0.9927, "reading": {"source": "pin1_xy", "pin1_xy": [-3.413, 2.275], "dot": [-1.681, 2.131], "dot_agrees": true}, "legible_estimate": true, "natural_up": null, "overflow": false}