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PM_Me_Your_Deviance posted on r/whatisthisthing1w
Google image search suggests these are AS5600 Magnetic Encoder. The AS5600 is a programmable, contactless 12-bit magnetic rotary position sensor. By tracking the rotation of a diametrically magnetized magnet placed 0.5 mm to 3 mm above the chip, it determines absolute angular position with 0.1° precision and 0.4° accuracy. Amazon listing: https://www.amazon.com/dp/B094F8H591