From 4bdd3563b0467084c9858c97e33d6f58852b4c8f Mon Sep 17 00:00:00 2001
From: helei <helei@nky.com>
Date: Sun, 20 Sep 2026 11:16:17 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3iic.h=E8=BF=87=E6=97=B6?=
 =?UTF-8?q?=E6=B3=A8=E9=87=8A:=E5=AE=9E=E9=99=85=E5=BC=95=E8=84=9A?=
 =?UTF-8?q?=E6=98=AFPB4=3DSDA/PB5=3DSCL?=
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---
 STM32F103_App1/HardWare/IIC/iic.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/STM32F103_App1/HardWare/IIC/iic.h b/STM32F103_App1/HardWare/IIC/iic.h
index d9992a5..4f905c7 100644
--- a/STM32F103_App1/HardWare/IIC/iic.h
+++ b/STM32F103_App1/HardWare/IIC/iic.h
@@ -3,7 +3,7 @@
 
 #include "main.h"
 
-/* Software I2C pins: PA12=SDA, PA11=SCL */
+/* Software I2C pins: PB4=SDA, PB5=SCL (V1.7.0 新板; OLED 屏 OLED_SDA/OLED_SCL 也挂这条总线) */
 #define SDA_GPIO_Port   GPIOB
 #define SDA_Pin         GPIO_PIN_4
 #define SCL_GPIO_Port   GPIOB