From 236ef707303b1c4f7ae3c59deaf7e71751a79557 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=91=93=E5=96=B5=E9=85=B1?= <i@iotcat.me>
Date: Tue, 9 Apr 2019 22:59:56 +0800
Subject: [PATCH] Update README.md

---
 README.md | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/README.md b/README.md
index c4f431b..b5e5ce0 100644
--- a/README.md
+++ b/README.md
@@ -118,3 +118,17 @@
 
 ## 我要参与
 如果你希望和我们一起完善本代码，请在评论中反馈你遇到的问题！
+
+## 附录 - 更加具体的电路图片
+
+### 全局电路鸟瞰图
+![circuit_overall](./circuit_overall.jpg)
+
+### 译码器电路示意图
+![decoder_up](./decoder_up.jpg)
+![decoder_down](./decoder_down.jpg)
+
+### 数字屏电路示意图
+![screen_left](./screen_left.jpg)
+![screen_right](./screen_right.jpg)
+