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Open-source firmware for Feetech STS32XX servos reduces SO-ARM positioning error to 0–2 mm

The author wrote open-source firmware for the Feetech STS32XX series servos, claiming it nearly eliminates positioning error in most cases. SO-ARM101 positioning error dropped from 35 mm to 10 mm, and SO-ARM102 from 25 mm to 0–2 mm. The firmware is open-sourced on GitHub.

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