From 7b305c317b3aea10c1dc3433fb59c0e77116e343 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E4=B8=8D=E6=82=94?= <1359854438@qq.com>
Date: Tue, 18 Jun 2024 18:06:33 +0800
Subject: [PATCH] =?UTF-8?q?6.18=E6=9B=B4=E6=96=B0I2C=E9=A9=B1=E5=8A=A8?=
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---
 docs/sensors/smart_modules/gpio_expansion_board.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/docs/sensors/smart_modules/gpio_expansion_board.md b/docs/sensors/smart_modules/gpio_expansion_board.md
index 806586a5..9ef05afc 100644
--- a/docs/sensors/smart_modules/gpio_expansion_board.md
+++ b/docs/sensors/smart_modules/gpio_expansion_board.md
@@ -52,15 +52,15 @@
 
 ### Arduino 示例程序
 
-[下载Arduino库](https://521github.com/emakefun-arduino-library/emakefun_gpio_expansion_board/archive/refs/tags/release.zip)，包含Arduino库文件和示例代码
+[下载Arduino库](https://github.com/emakefun-arduino-library/emakefun_gpio_expansion_board/archive/refs/tags/release.zip)，包含Arduino库文件和示例代码
 
 ### Arduino 库使用文档
 
-[说明文档](https://521github.com/emakefun-arduino-library/emakefun_gpio_expansion_board#gpioexpansionboard%E4%BD%BF%E7%94%A8%E6%96%87%E6%A1%A3)
+[说明文档](https://github.com/emakefun-arduino-library/emakefun_gpio_expansion_board#gpioexpansionboard%E4%BD%BF%E7%94%A8%E6%96%87%E6%A1%A3)
 
 ### Arduino 库示例程序
 
-[示例程序](https://521github.com/emakefun-arduino-library/emakefun_gpio_expansion_board#%E7%A4%BA%E4%BE%8B%E7%A8%8B%E5%BA%8F)
+[示例程序](https://github.com/emakefun-arduino-library/emakefun_gpio_expansion_board#%E7%A4%BA%E4%BE%8B%E7%A8%8B%E5%BA%8F)
 
 ## Mixly应用场景