From c646bcd4e6f43ace5aaed024aa0e6759c485068a Mon Sep 17 00:00:00 2001
From: watson8544 <854410664@qq.com>
Date: Thu, 31 Jan 2019 11:29:00 +0800
Subject: [PATCH] updated stepmotor.md

---
 docs/en/module/stepmotor.md    | 2 ++
 docs/ja/module/stepmotor.md    | 2 ++
 docs/zh_CN/module/stepmotor.md | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/docs/en/module/stepmotor.md b/docs/en/module/stepmotor.md
index f8f9d40f..6c1bde9c 100644
--- a/docs/en/module/stepmotor.md
+++ b/docs/en/module/stepmotor.md
@@ -35,6 +35,8 @@ This is a <mark>StepMotor Driver Module</mark> built in MEGA328P MCU which has b
 
 - **[Forum](http://forum.m5stack.com/)**
 
+- **[The Firmware of inside MEGA328](https://github.com/m5stack/stepmotor_module/tree/master/Firmware%20for%20stepmotor%20module/GRBL-Arduino-Library)**
+
 ## Example
 
 ### 1. Arduino IDE
diff --git a/docs/ja/module/stepmotor.md b/docs/ja/module/stepmotor.md
index f435fdd7..c6f32c2e 100644
--- a/docs/ja/module/stepmotor.md
+++ b/docs/ja/module/stepmotor.md
@@ -35,6 +35,8 @@
 
 - **[フォーラム](http://forum.m5stack.com/)**
 
+- **[モジュール内のMEGA328ファームウェア](https://github.com/m5stack/stepmotor_module/tree/master/Firmware%20for%20stepmotor%20module/GRBL-Arduino-Library)**
+
 ## サンプルコード
 
 ### 1. Arduino IDE
diff --git a/docs/zh_CN/module/stepmotor.md b/docs/zh_CN/module/stepmotor.md
index e88aa7cb..69cd6533 100644
--- a/docs/zh_CN/module/stepmotor.md
+++ b/docs/zh_CN/module/stepmotor.md
@@ -35,6 +35,8 @@
 
 - **[官方论坛](http://forum.m5stack.com/)**
 
+- **[模块内MEGA328固件](https://github.com/m5stack/stepmotor_module/tree/master/Firmware%20for%20stepmotor%20module/GRBL-Arduino-Library)**
+
 ## 例程
 
 ### 1. Arduino IDE