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diff --git a/docs/index.md b/docs/index.md
index 3b065b16..388c27b6 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -4,6 +4,8 @@
+
+
**M5Core**
@@ -95,7 +97,9 @@
-[](en/unit/esp32cam) [](en/unit/m5camera) [](en/unit/weight)
+**Camera class** (**[Quick Start](en/quick_start/m5camera/m5camera_quick_start)** **[Cameras comparison](https://shimo.im/sheets/gP96C8YTdyjGgKQC)**)
+
+[](en/unit/esp32cam) [](en/unit/m5camera)
@@ -127,6 +131,10 @@
+[](en/unit/weight)
+
+
+
**Visual class**
[](en/unit/neopixel) [](en/unit/catear) [](en/unit/hex) [](en/unit/neoflash)
diff --git a/docs/zh_CN/README.md b/docs/zh_CN/README.md
index c8ad8447..f306b38f 100644
--- a/docs/zh_CN/README.md
+++ b/docs/zh_CN/README.md
@@ -2,6 +2,8 @@
***
+
@@ -81,7 +83,9 @@
-[](zh_CN/unit/esp32cam) [](zh_CN/unit/m5camera) [](zh_CN/unit/weight)
+**摄像头类** (**[上手指南](zh_CN/quick_start/m5camera/m5camera_quick_start)** **[Cameras comparison](https://shimo.im/sheets/gP96C8YTdyjGgKQC/e2041)**)
+
+[](zh_CN/unit/esp32cam) [](zh_CN/unit/m5camera)
@@ -114,6 +118,10 @@
+[](zh_CN/unit/weight)
+
+
+
**视觉类Unit**
[](zh_CN/unit/neopixel) [](zh_CN/unit/catear) [](zh_CN/unit/hex) [](zh_CN/unit/neoflash)
diff --git a/docs/zh_CN/unit/m5camera_f.md b/docs/zh_CN/unit/m5camera_f.md
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index 00000000..ff0a5beb
--- /dev/null
+++ b/docs/zh_CN/unit/m5camera_f.md
@@ -0,0 +1,194 @@
+# M5CAMERA - 摄像头(内置PSRAM) {docsify-ignore-all}
+
+
+
+
+
+
+***
+
+:memo:**[描述](#描述)** :bulb:**[上手指南](zh_CN/quick_start/m5camera/m5camera_quick_start)** :octocat:**[代码](#代码)** 🛒**[购买链接](https://item.taobao.com/item.htm?spm=2013.1.20141001.1.7e6a3f17eDikoR&id=575652539758&scm=1007.12144.95220.42296_0&pvid=922f08d2-0a50-42fe-b89b-d5fef17bc52a&utparam=%7B%22x_hestia_source%22%3A%2242296%22%2C%22x_object_type%22%3A%22item%22%2C%22x_mt%22%3A0%2C%22x_src%22%3A%2242296%22%2C%22x_pos%22%3A1%2C%22x_pvid%22%3A%22922f08d2-0a50-42fe-b89b-d5fef17bc52a%22%2C%22x_object_id%22%3A575652539758%7D)** :clapper:**[相关视频](#相关视频)**
+
+
+
+## 描述
+
+**M5Camera**是一款基于 ESP32 芯片,集成 OV2640 摄像头驱动芯片的摄像头模块,并集成了 **PSRAM**。你可以通过 ESP-IDF 或 Arduino IDE 来编程摄像头功能。
+
+同时,M5Camera Unit 还预留了9轴陀螺仪 (MPU6050) 、大气压3合1传感器 (BME280) 和**数字硅晶麦克风 (SPM1423)**的焊接口,如果你需要这些器件,可以焊接到对应位置上。M5Camera Unit 还预留了电池接口,如果你需要做可移动的摄像头,那么可以焊接手头的锂电池到对应位置上。
+
+因为模块可以生成 WIFI 热点 AP,所以可以用手机、PC 或其他设备通过 WIFI 无线获取摄像头图片,也可以通过模块的 GROVE 接口有线获取摄像头图片。目前可以实现网络摄像头、颜色识别和人脸识别功能。
+
+## 包含
+
+- 1x M5 Camera Unit
+- 1x Type-C USB线
+
+## 特性
+
+
+- ESP32 模组特性
+ + 集成双核 Tensilica LX6
+ + 高达 240MHz 的时钟频率
+ + **4MB pSRAM**
+ + **4MB Flash memory**
+ + 集成802.11 BGN WiFi和双模蓝牙(经典蓝牙和BLE)
+ + 硬件加密(AES, SHA2, ECC, RSA-4096)
+- CP2104 USB转串口
+- OV2640摄像头驱动
+ - 输出格式(8-bit):
+ + YUV(422/420)/YCbCr422
+ + RGB565/555
+ + 8位的压缩数据
+ + 8至10位的原始数据
+ - 图片在不同格式时最大传输速率
+ + UXGA/SXGA: 15fps
+ + SVGA: 30fps
+ + CIF: 60fps
+ - 扫描模式: Progressive
+- 摄像头特性
+ + CCD尺寸: 1/4 寸
+ + 可视范围: 78 度
+ + 最大像素: 200W
+- 传感器最大分辨率:1600 * 1200
+- 尺寸:25mm x 24mm
+- 重量: 5g
+
+## 管脚对比
+
+**M5Camera 有两个版本,分别为版本A和版本B。**
+
+**摄像头驱动芯片 OV2640 接口**
+
+| *接口* | *OV2640 引脚*| *M5Camera(A 版本)* | *M5Camera(B 版本)* |
+| :------------------- | :--------:| :------: | :------: |
+| SCCB Clock | SIOC |IO23 |IO23 |
+| SCCB Data | SIOD |**IO25** |**IO22** |
+| System Clock | XCLK |IO27 |IO27 |
+| Vertical Sync | VSYNC |**IO22** |**IO25** |
+| Horizontal Reference | HREF |IO26 |IO26 |
+| Pixel Clock | PCLK |IO21 |IO21 |
+| Pixel Data Bit 0 | D2 |IO32 |IO32 |
+| Pixel Data Bit 1 | D3 |IO35 |IO35 |
+| Pixel Data Bit 2 | D4 |IO34 |IO34 |
+| Pixel Data Bit 3 | D5 |IO5 |IO5 |
+| Pixel Data Bit 4 | D6 |IO39 |IO39 |
+| Pixel Data Bit 5 | D7 |IO18 |IO18 |
+| Pixel Data Bit 6 | D8 |IO36 |IO36 |
+| Pixel Data Bit 7 | D9 |IO19 |IO19 |
+| Camera Reset | RESET |IO15 |IO15 |
+| Camera Power Down | PWDN | *see Note 1* | *see Note 1* |
+| Power Supply 3.3V | 3V3 | 3V3 | 3V3 |
+| Ground | GND | GND | GND |
+
+**GROVE 接口**
+
+| *Grove* | *M5Camera(A 版本)* | *M5Camera(B 版本)* |
+| :-----------: | :------: | :------: |
+| SCL | IO13 | IO13 |
+| SDA | **IO12** | **IO4** |
+| 5V | 5V | 5V |
+| GND | GND | GND |
+
+**以下为预留的IC接口**
+
+**BME280 接口**
+
+*IIC 地址是 0x76*
+
+| *BME280* | *M5Camera(A 版本)* | *M5Camera(B 版本)* |
+| :-----------: | :------: | :------: |
+| SCL | IO23 | IO23 |
+| SDA | IO22 | IO22 |
+
+
+**MPU6050 接口**
+
+| *MPU6050* | *M5Camera(A 版本)* | *M5Camera(B 版本)* |
+| :-----------: | :------: | :------: |
+| SCL | IO23 | IO23 |
+| SDA | IO22 | IO22 |
+
+**MIC(SPM1423) 接口**
+
+| *SPM1423* | *M5Camera(A 版本)* | *M5Camera(B 版本)* |
+| :-----------: | :------: | :------: |
+| CLK |IO4|IO4|
+| DATA |IO2|IO2|
+
+**LED 接口**
+
+| *LED* | *M5Camera(A 版本)* | *M5Camera(B 版本)* |
+| :-----------:| :------: | :------: |
+| LED_Pin | IO14 | IO14 |
+
+Notes:
+
+1. **Camera Power Down 引脚** 没必要连接到 ESP32 的引脚。
+
+
+
+## 相关链接
+
+- **[官方频道视频](https://i.youku.com/i/UNjE1ODA2MzE0OA==?spm=a2hzp.8253869.0.0)**
+
+- **[官方论坛](http://forum.m5stack.com/)**
+
+- **数据手册** - [ESP32](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_cn.pdf) - [OV2640](https://www.uctronics.com/download/cam_module/OV2640DS.pdf)
+
+
+## 代码
+
+### 固件
+
+- **[M5Camera 固件](https://github.com/m5stack/m5stack-cam-psram/tree/master)**
+
+### 例程
+
+- **[颜色识别](https://github.com/m5stack/Applications-cam)**
+
+- **[人脸识别](https://github.com/m5stack/esp-who)**
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+## 相关视频
+
+**M5Camera 的应用 - 网页查看远程监控对象**
+
+
+
+**M5Camera 的应用 - M5Camera 与 M5Core 图传**
+
+