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STM32F103 expansion board, compatible with Jiangxie Technology tutorials

Overview

This is a comparison of the board's actual size

with a mouse; the board itself is smaller than half the size of a mouse

It's an

STM32F103 expansion board, suitable for Jiangxie Technology tutorials. The design philosophy is compactness and convenience. All I/O ports are brought out,
with headers and pin headers for connecting to MPU6050, W25Q64, OLED, USART1, and 4 power pin pairs.
Considering the small size of the reset button on the minimum system board, it's also brought out and
packaged on the expansion board
using a 4.5*4.5mm small button package. Resistors and LEDs are 0805 resistors, and both headers and pin headers are 2.54mm.

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Update:2026-03-27 20:37:25

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