Leszek PawlowiczEven though the US maker of CATA4101 LED Driver chips (ON Semiconductor) has discontinued them, looks like they're still available from Chinese suppliers. Try this link at AliExpress for a listing of vendors who carry them.
CAT is back in the bag!
A project log for Affordable Reflectance Transformation Imaging Dome
A simple and inexpensive way to image and analyze subtle surface details on objects.
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