vvm8d

2D Stepper Gimbal_STM32G431CBU6_240912

Overview

1. Most of the chips are the same as those in the project "23_11_30_Motor Driver V4.0_Open Source V1.0 - LCSC Open Source Hardware Platform (oshwhub.com)," except the main controller has been changed to an STM32G431CBU6.
2. Learning from the experience of burning out the main controller three times in the previous version, the main controller power supply and peripheral power supply have been separated into two circuits, and optocouplers have been added for protection. According to user feedback, this did indeed protect the main controller (the entire board except for the main controller and optocouplers burned out) (laughs).
3. Limit switches, cooling fan interfaces, and drivers for low-power laser heads have been added. Resistors can be added as needed.
Please feel free to provide feedback in the comments section. See the attached file for the casing.

Design Files

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Update:2026-03-28 07:25:53

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