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<img src='assets/img/product_pics/1.jpg'> <img src='assets/img/product_pics/core.png'>
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<!-- **[Quick Start](en/qs)** **[Cores comparison](https://github.com/m5stack/M5-Schematic/blob/master/Core/hardware_difference_between_cores.md)** -->
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**M5Core**
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@@ -95,7 +97,9 @@
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[](en/unit/esp32cam) [](en/unit/m5camera) [](en/unit/weight)
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**Camera class** (**[Quick Start](en/quick_start/m5camera/m5camera_quick_start)** **[Cameras comparison](https://shimo.im/sheets/gP96C8YTdyjGgKQC)**)
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[](en/unit/esp32cam) [](en/unit/m5camera)
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@@ -127,6 +131,10 @@
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[](en/unit/weight)
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**Visual class**
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[](en/unit/neopixel) [](en/unit/catear) [](en/unit/hex) [](en/unit/neoflash)
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***
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<img src='assets/img/product_pics/1.jpg'> <img src='assets/img/product_pics/core_zh_CN.png'>
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<!--
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**[上手指南](zh_CN/qs)** **[Core 之间的对比](https://github.com/m5stack/M5-Schematic/blob/master/Core/hardware_difference_between_cores_zh_CN.md)** -->
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[](zh_CN/unit/esp32cam) [](zh_CN/unit/m5camera) [](zh_CN/unit/weight)
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**摄像头类** (**[上手指南](zh_CN/quick_start/m5camera/m5camera_quick_start)** **[Cameras comparison](https://shimo.im/sheets/gP96C8YTdyjGgKQC/e2041)**)
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[](zh_CN/unit/esp32cam) [](zh_CN/unit/m5camera)
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[](zh_CN/unit/weight)
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**视觉类Unit**
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[](zh_CN/unit/neopixel) [](zh_CN/unit/catear) [](zh_CN/unit/hex) [](zh_CN/unit/neoflash)
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# M5CAMERA - 摄像头（内置PSRAM） {docsify-ignore-all}
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<img src="assets/img/product_pics/unit/unit_m5camera_01.png" width="30%" height="30%"><img src="assets/img/product_pics/unit/unit_m5camera_02.png" width="40%" height="40%">
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<!-- <br><img src="assets/img/product_pics/unit/m5camera_03.png" width="30%" height="30%"><img src="assets/img/product_pics/unit/m5camera_04.png" width="30%" height="30%"> -->
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***
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: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)**
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<!-- :memo:**[描述](#描述)** :octocat:**[例程](#例程)** :electric_plug:**[原理图](#原理图)** 🛒**[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)** -->
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## 描述
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**<mark>M5Camera</mark>**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 **<mark>PSRAM</mark>**。你可以通过 ESP-IDF 或 Arduino IDE 来编程摄像头功能。
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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。
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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。
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## 包含
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- 1x M5 Camera Unit
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- 1x Type-C USB线
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## 特性
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- ESP32 模组特性
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+ 集成双核 Tensilica LX6
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+ 高达 240MHz 的时钟频率
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+ **4MB pSRAM**
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+ **4MB Flash memory**
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+ 集成802.11 BGN WiFi和双模蓝牙(经典蓝牙和BLE)
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+ 硬件加密(AES, SHA2, ECC, RSA-4096)
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- CP2104 USB转串口
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- OV2640摄像头驱动
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- 输出格式(8-bit):
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+ YUV(422/420)/YCbCr422
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+ RGB565/555
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+ 8位的压缩数据
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+ 8至10位的原始数据
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- 图片在不同格式时最大传输速率
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+ UXGA/SXGA: 15fps
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+ SVGA: 30fps
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+ CIF: 60fps
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- 扫描模式: Progressive
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- 摄像头特性
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+ CCD尺寸: 1/4 寸
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+ 可视范围: 78 度
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+ 最大像素: 200W
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- 传感器最大分辨率：1600 * 1200
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- 尺寸：25mm x 24mm
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- 重量: 5g
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## 管脚对比
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**M5Camera 有两个版本，分别为<mark>版本A和版本B</mark>。**
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**摄像头驱动芯片 OV2640 接口**
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| *接口* | *OV2640 引脚*| *M5Camera(A 版本)* | *M5Camera(B 版本)* |
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| :------------------- | :--------:| :------: | :------: |
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| SCCB Clock | SIOC |IO23 |IO23 |
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| SCCB Data | SIOD |**IO25** |**IO22** |
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| System Clock | XCLK |IO27 |IO27 |
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| Vertical Sync | VSYNC |**IO22** |**IO25** |
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| Horizontal Reference | HREF |IO26 |IO26 |
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| Pixel Clock | PCLK |IO21 |IO21 |
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| Pixel Data Bit 0 | D2 |IO32 |IO32 |
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| Pixel Data Bit 1 | D3 |IO35 |IO35 |
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| Pixel Data Bit 2 | D4 |IO34 |IO34 |
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| Pixel Data Bit 3 | D5 |IO5 |IO5 |
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| Pixel Data Bit 4 | D6 |IO39 |IO39 |
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| Pixel Data Bit 5 | D7 |IO18 |IO18 |
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| Pixel Data Bit 6 | D8 |IO36 |IO36 |
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| Pixel Data Bit 7 | D9 |IO19 |IO19 |
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| Camera Reset | RESET |IO15 |IO15 |
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| Camera Power Down | PWDN | *see Note 1* | *see Note 1* |
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| Power Supply 3.3V | 3V3 | 3V3 | 3V3 |
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| Ground | GND | GND | GND |
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**GROVE 接口**
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| *Grove* | *M5Camera(A 版本)* | *M5Camera(B 版本)* |
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| :-----------: | :------: | :------: |
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| SCL | IO13 | IO13 |
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| SDA | **IO12** | **IO4** |
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| 5V | 5V | 5V |
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| GND | GND | GND |
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**<mark>以下为预留的IC接口</mark>**
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**BME280 接口**
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*IIC 地址是 0x76*
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| *BME280* | *M5Camera(A 版本)* | *M5Camera(B 版本)* |
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| :-----------: | :------: | :------: |
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| SCL | IO23 | IO23 |
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| SDA | IO22 | IO22 |
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**MPU6050 接口**
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| *MPU6050* | *M5Camera(A 版本)* | *M5Camera(B 版本)* |
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| :-----------: | :------: | :------: |
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| SCL | IO23 | IO23 |
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| SDA | IO22 | IO22 |
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**MIC(SPM1423) 接口**
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| *SPM1423* | *M5Camera(A 版本)* | *M5Camera(B 版本)* |
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| :-----------: | :------: | :------: |
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| CLK |IO4|IO4|
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| DATA |IO2|IO2|
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**LED 接口**
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| *LED* | *M5Camera(A 版本)* | *M5Camera(B 版本)* |
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| :-----------:| :------: | :------: |
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| LED_Pin | IO14 | IO14 |
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Notes:
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1. **Camera Power Down 引脚** 没必要连接到 ESP32 的引脚。
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<img src="assets/img/product_pics/unit/unit_m5camera_03.png" width="60%" height="60%">
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## 相关链接
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- **[官方频道视频](https://i.youku.com/i/UNjE1ODA2MzE0OA==?spm=a2hzp.8253869.0.0)**
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- **[官方论坛](http://forum.m5stack.com/)**
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- **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)
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## 代码
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### 固件
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- **[M5Camera 固件](https://github.com/m5stack/m5stack-cam-psram/tree/master)**
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### 例程
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- **[颜色识别](https://github.com/m5stack/Applications-cam)**
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- **[人脸识别](https://github.com/m5stack/esp-who)**
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<!-- ## 例程 -->
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<!-- ### 1. Arduino IDE
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```arduino
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DHT12 dht12; //new a object
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Adafruit_BMP280 bme;
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float tmp = dht12.readTemperature();//temperature
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float hum = dht12.readHumidity();//humidity
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float pressure = bme.readPressure();//pressure
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```
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具体例程请点击[这里](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Unit/M5CAMERA/Arduino)。
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### 2. UIFlow
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<img src="assets/img/product_pics/unit/unit_example/example_unit_m5camera_01.png" width="30%" height="30%"> <img src="assets/img/product_pics/unit/unit_example/example_unit_m5camera_02.png" width="55%" height="55%">
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具体例程请点击[这里](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Unit/M5CAMERA/UIFlow)。 -->
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<!-- ## 原理图 -->
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<!-- <img src="assets/img/product_pics/unit/m5camera_sch.JPG"> -->
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<!-- ### 管脚映射 -->
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<!-- <table>
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<tr><td>M5Core(GROVE A)</td><td>GPIO22</td><td>GPIO21</td><td>5V</td><td>GND</td></tr>
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<tr><td>M5CAMERA Unit</td><td>SCL</td><td>SDA</td><td>5V</td><td>GND</td></tr>
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</table> -->
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## 相关视频
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**M5Camera 的应用 - 网页查看远程监控对象**
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<iframe height=498 width=510 src='https://player.youku.com/embed/XNDAyNDcyMTQ5Ng==' frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
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**M5Camera 的应用 - M5Camera 与 M5Core 图传**
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<iframe height=498 width=510 src='https://player.youku.com/embed/XNDAxNDI5MjUzMg==' frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
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