From 91bb309e98d541ee2097f642c46131fa5cf9c075 Mon Sep 17 00:00:00 2001
From: LiHuashen <854410664@qq.com>
Date: Fri, 26 Apr 2019 09:29:07 +0800
Subject: [PATCH] Revert "Update button.md"

This reverts commit c04d1b32db9aa626cb1570788724312ca5ba401d.
---
 docs/en/unit/button.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/en/unit/button.md b/docs/en/unit/button.md
index d886909b..268d519f 100644
--- a/docs/en/unit/button.md
+++ b/docs/en/unit/button.md
@@ -14,7 +14,9 @@
 
 <img src="assets/img/product_pics/unit/button/unit_button_02.png"  width="50%" height="50%">
 
+**Output status:**
 
+<img src="assets/img/product_pics/unit/button/unit_button_03.png">
 
 This unit communicates with M5Core through GROVE B port.