石榴姐

STM32F103RCT6 development board

Overview

3.3v dcdc power supply ripple: 46mv (1A) [cement resistor] 5.0v power supply total output power is not greater than 2A. All io ports are divided and isolated: power limit 100mw, overcurrent automatic circuit break.
Peripheral expansion: jlink interface, usart interface, all idle The io port is equipped with 128Mb flash expansion, and the 24Mb ROM expansion uses a common mode inductor to process the usart interface. The signal is very clean and stable. The buzzer and LED are just like that. There is nothing good about it. The
schematic diagram and PCB have been open sourced to the Lichuang EDA open source platform. , please correct me if there are any deficiencies.

Design Files

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Update:2024-11-22 05:46:52

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