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STC89C52 minimum core board

Overview

This project is the smallest core board with STC89C52 as the main control, which is smaller than the cores on the market.
Using USB_TypeC interface, more commonly used
Integrated CH340E, no need to connect external USB to TTL module for downloading
All IO ports are led out
Main control using SMD packaging
All P0 ports are connected to pull-up resistors.

Design Files

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Update:2025-07-03 01:16:21

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