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diff --git a/docs/en/product_documents/bases/node_base.md b/docs/en/product_documents/bases/node_base.md
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+# Node Module
+
+## DESCRIPTION
+
+Node is a base as a intelligent node in the IOT. If stacked a M5Core, it will be a intelligent node that can communicate with surrounding equipments via IR, Bluetooth or WIFI.
+
+* Including 12 RGBs and one temperature and humidity sensor(DHT12), it means Node can display its own status and perception surrounding environment.
+* There are 4 IR Transmitter LED at four corners and two IR Receiver
+* There are two MIC
+* A Codec chip(WM8978) inside that is often used to be applied for Hi-Fi Speaker.
+
+## FEATURES
+
+- Including 12 RGBLed
+- Including a HiFi stereo codec chip(Up to 24bit DAC)
+- Including a lithium battery interface
+
+## INCLUDES
+
+- 1x Node Module
+- Wall holder
+- 4x screws
+- 4x Type-C USB Cable
+
+
+## Applications
+
+- Intelligent IOT node
+- Webradio
+- Intelligent sound box
+
+## DOCUMENTS
+
+- **[WebSite](https://m5stack.com)**
+- **[WM8978](http://pdf1.alldatasheet.com/datasheet-pdf/view/96647/WOLFSON/WM8978.html) (WM8978)**
+- **[Schematic](https://github.com/m5stack/M5StackModule-Node/tree/master/schematic)**
+- **[Example](https://github.com/m5stack/M5StackModule-Node/tree/master/example)**
+- **[Quick Start]()**
+- **[Purchase](https://www.aliexpress.com/store/product/M5Stack-New-NODE-Samrt-Speaker-WM8978-Audio-Development-Board-I2S-Module-with-DHT12-Sensor-MIC-IR/3226069_32949773234.html)**
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diff --git a/docs/en/product_documents/modules/module_node.md b/docs/en/product_documents/modules/module_node.md
deleted file mode 100644
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--- a/docs/en/product_documents/modules/module_node.md
+++ /dev/null
@@ -1,33 +0,0 @@
-# Node Module
-
-## DESCRIPTION
-
-The Node is a sound box module with 12 RGBLed(SK6812), a codec chip(WM8978), DHT12, IR Transmitter and Receiver(CHQ0038H), two MICs. WM8978 is often used to be applied for Hi-Fi Speaker.
-You can program it after connected to any series of M5Stack Core through Arduino.
-
-You can creat a Webradio, Bluetooth Speaker, even Intelligent sound box with this module.
-
-## FEATURES
-
-- Including 12 RGBLed
-- Including a HiFi stereo codec chip(Up to 24bit DAC)
-- Including a lithium battery interface
-
-## INCLUDES
-
-- 1x Node Module
-
-## Applications
-
-- Webradio
-- Bluetooth Speaker
-- Intelligent sound box
-
-## DOCUMENTS
-
-- **[WebSite](https://m5stack.com)**
-- **[WM8978](http://pdf1.alldatasheet.com/datasheet-pdf/view/96647/WOLFSON/WM8978.html) (WM8978)**
-- **[Schematic](https://github.com/m5stack/M5StackModule-Node/tree/master/schematic)**
-- **[Example](https://github.com/m5stack/M5StackModule-Node/tree/master/example)**
-- **[Quick Start]()**
-- **[Purchase]()**
diff --git a/docs/en/product_documents/units/unit_esp32cam.md b/docs/en/product_documents/units/unit_esp32cam.md
index d14ac677..98a01c71 100644
--- a/docs/en/product_documents/units/unit_esp32cam.md
+++ b/docs/en/product_documents/units/unit_esp32cam.md
@@ -45,6 +45,7 @@ The ESP32Cam equips the ESP32 with everything necessary to program, run and deve
## DOCUMENTS
+- **[Github](https://github.com/m5stack/esp32-cam-demo/tree/m5cam) (ESP32)**
- **[Datasheet](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_cn.pdf) (ESP32)**
- **[Datasheet](https://www.uctronics.com/download/cam_module/OV2640DS.pdf) (OV2640)**
- **[Quick Start](en/quick_start/m5camera/m5camera_quick_start)**
diff --git a/docs/en/product_documents/units/unit_m5camera.md b/docs/en/product_documents/units/unit_m5camera.md
index 0188d191..37f9b0a4 100644
--- a/docs/en/product_documents/units/unit_m5camera.md
+++ b/docs/en/product_documents/units/unit_m5camera.md
@@ -45,6 +45,7 @@ The M5Camera equips the ESP32 with everything necessary to program, run and deve
## DOCUMENTS
+- **[Github](https://github.com/m5stack/esp32-cam-demo/tree/m5cam-psram) (ESP32)**
- **[Datasheet](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_cn.pdf) (ESP32)**
- **[Datasheet](https://www.uctronics.com/download/cam_module/OV2640DS.pdf) (OV2640)**
- **[Quick Start](en/quick_start/m5camera/m5camera_quick_start)**
diff --git a/docs/zh_CN/product_documents/bases/node_base.md b/docs/zh_CN/product_documents/bases/node_base.md
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+# Node
+
+## 描述
+
+Node是一个物联网情景中的节点/基站类底座。把Node安装到墙上,堆叠上任意一款M5Core主控,这时,Node+M5Core就是智能节点,可以与附近众多的节点或终端设备通信,可以用终端遥控器通过Node转发信号控制远程设备,实现多个智能终端互联。
+* 内置12 RGBLed(SK6812)和温湿度传感器,可以显示多种丰富的Node状态,同时感知周围温湿度情况
+* Node的四个角分别有一颗红外发送LED,底部有一颗红外接收管
+* Node上下还有一对麦克风
+* 内置常用于Hi-Fi耳机的高分辨率音频编解码芯片WM8978
+
+你可以使用M5Core和Node底座实现智能家居中红外遥控设备,蓝牙wifi遥控设备的转发节点,因为内置高保真音频编解码芯片,甚至还可以实现智能音箱功能
+
+## 特性
+
+- 内置12颗RGBLed灯环和温湿度传感器
+- 内置Hi-Fi级别的音频编解码芯片(高达24位的分辨率)
+- 内置500mAh的小电池
+
+## 包含
+
+- 1x Node
+- Node的墙壁固定底座
+- 4x 螺丝
+- 1x Type-C USB线
+
+
+## 应用
+
+- 物联网中智能网络节点
+- 网络收音机Webradio
+- 智能音箱Intelligent sound box
+
+## 文档
+
+- **[官网](https://m5stack.com)**
+- **[WM8978](http://pdf1.alldatasheet.com/datasheet-pdf/view/96647/WOLFSON/WM8978.html) (WM8978)**
+- **[原理图](https://github.com/m5stack/M5StackModule-Node/tree/master/schematic)**
+- **[例程](https://github.com/m5stack/M5StackModule-Node/tree/master/example)**
+- **[快速上手]()**
+- **[旗舰店](https://www.aliexpress.com/store/product/M5Stack-New-NODE-Samrt-Speaker-WM8978-Audio-Development-Board-I2S-Module-with-DHT12-Sensor-MIC-IR/3226069_32949773234.html)**
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diff --git a/docs/zh_CN/product_documents/modules/module_node.md b/docs/zh_CN/product_documents/modules/module_node.md
deleted file mode 100644
index 41f788f6..00000000
--- a/docs/zh_CN/product_documents/modules/module_node.md
+++ /dev/null
@@ -1,33 +0,0 @@
-# Node Module
-
-## DESCRIPTION
-
-The Node is a sound box module with 12 RGBLed(SK6812), a codec chip(WM8978), DHT12, IR Transmitter and Receiver(CHQ0038H), two MICs. WM8978 is often used to be applied for Hi-Fi Speaker.
-You can program it after connected to any series of M5Stack Core through Arduino.
-
-You can creat a Webradio, Bluetooth Speaker, even Intelligent sound box with this module.
-
-## FEATURES
-
-- Including 12 RGBLed
-- Including a HiFi stereo codec chip(Up to 24bit DAC)
-- Including a lithium battery interface
-
-## INCLUDES
-
-- 1x Node Module
-
-## Applications
-
-- Webradio
-- Bluetooth Speaker
-- Intelligent sound box
-
-## DOCUMENTS
-
-- **[WebSite](https://m5stack.com)**
-- **[WM8978](http://pdf1.alldatasheet.com/datasheet-pdf/view/96647/WOLFSON/WM8978.html) (WM8978)**
-- **[Schematic](https://github.com/m5stack/M5StackModule-Node/tree/master/schematic)**
-- **[Example](https://github.com/m5stack/M5StackModule-Node/tree/master/example)**
-- **[Quick Start]()**
-- **[Purchase]()**