From 9e5da2d6137ecd811eada87868e0cbbb7d314736 Mon Sep 17 00:00:00 2001
From: bookshiyi <ibookshiyi@gmail.com>
Date: Mon, 24 Aug 2020 12:30:03 +0800
Subject: [PATCH] Update README.md

---
 README.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/README.md b/README.md
index 81c6caa..3ec370b 100644
--- a/README.md
+++ b/README.md
@@ -40,3 +40,11 @@
  * 关机：开机/DFU状态下，长按电源按钮1s，滴声后松开
 
  * DFU：关机状态下，先按住重启按钮，然后按住电源按钮，滴声后松开两个按钮
+
+
+# TODO 固件升级
+1. 进入固件升级模式
+2. 打开STM32CubeProgrammer
+3. 选择UART模式，点击Connect
+4. 点击Open，选择新固件
+5. 点击Download
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