From dca5babdbb6de6ee87d4e0caac6566fd45a0babc Mon Sep 17 00:00:00 2001
From: danny <12793148@qq.com>
Date: Sun, 8 Sep 2024 18:52:24 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B0=83=E6=95=B4=E7=AC=AC=E4=B8=89=E7=AB=A0?=
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---
 book/03：通用输入输出/01.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/book/03：通用输入输出/01.md b/book/03：通用输入输出/01.md
index 6f900a6..d8f19c3 100644
--- a/book/03：通用输入输出/01.md
+++ b/book/03：通用输入输出/01.md
@@ -24,6 +24,8 @@ GPIO特点（P111）：
 
 什么是端口（Port）什么是引脚（Pin），P111
 
+[视频：GPIO](https://www.bilibili.com/video/BV1zG4y1K78S/?spm_id_from=333.788&vd_source=3c8e333d6657680a469ddf0238f01d6a)
+
 # 2. GPIO电路结构（p112，手册105）
 
 ![image-20240903184357570](./img/image-20240903184357570.png)