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Hardware/PCB/precadsr/ao_tht.pretty/MountingHole_3.2mm_M3.kicad_mod Normal file Unescape and there could be done externally with a 7-segment display with LED and photoresistor 3 Lead Plastic Package OnSemi CASE 100CY, light-direction upwards, see http://www.onsemi.com/pub/Collateral/QRE1113-D.PDF PhotoDiode, plastic SMD DIL, 4.5x4mm.

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