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ESP32C3 expansion baseboard

Overview

Used with another open source project of mine https://oshwhub.com/umekoko/esp32c3-chao-mi-ni-kai-fa-ban
The design is tight and the appearance is very good.

Supports input 24V power supply, which can be stepped down to 5V through the module to power the motherboard.
At the same time, it leads to multiple practical control interfaces for wiring and controlling stepper motors (VCC, DIR, PUL, GND) or communicating with other 5V and 3.3V modules.
The onboard pins are compatible with I2C screens and can be plugged in directly.
Project demonstration: https://www.bilibili.com/video/BV1xL411Q7Kh/?spm_id_from=333.999.0.0

Design Files

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Update:2025-06-22 19:38:10

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