ch340g usb转串口 PCB图纸和电路图 芯片手册 元件库和封装库 全套 CH340G模块简易说明 CH340G模块驱动 CH340G模块原理图 串口调试工具 20220515打样10片光绘文件给工厂 WCH沁恒官方网资料 CH340G-USB-to-UART-Datasheet.pdf CH340G-USB-to-UART-Interface-datasheet.pdf prj_ch340_20220515_4打样10片.zip

自己制作整理的Altium Designer、protel和PADS元件库、3D库、PCB封装库 话不多说，就直接上图给各位看下吧 Altium Designer AD元件封装库转PADS的方法（视频）:https://pan.baidu.com/s/1kTXJZmR 只能贴出一部分，还有很多的封装见附件

ATK-SIM900A GSM模块封装库.zip

各种通用封装，数码管，蜂鸣器，电阻 ，电容等

2.00mm间距排针排母PCB封装库（AD库，封装带3D视图），单排，2P-8P，排针排母封装都有，是Altium Designer的PCB封装库，.PcbLib格式的，带3D视图，非常实用，文件1.33M

此文件是STM32系列的PDB封装库，包含多种STM32型号，内容比较全。适合AD10使用。

常用零件库，包括原理图库和封装库，封装按实际使用命名，例如0603、0805、diP等简单明了 元件库丰富，例如变压器等都一应俱全

很好用的封装，画图实习时用的，还要别人画的，分享给大家

中国移动NBIoT物联网卡 eSIM卡尺寸为5*6毫米 PCB封装图 AD和pads封装图，并带规格书，低分共享，好用。

//创建初始化播放器资源 [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] extern public static IntPtr libvlc_new(int argc, IntPtr argv); //创建播放器实例 [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern IntPtr libvlc_media_player_new(IntPtr libvlc_instance); // 释放libvlc实例 [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern void libvlc_release(IntPtr libvlc_instance); //获取库版本信息 [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern String libvlc_get_version(); // 从视频来源(例如Url)构建一个libvlc_meida RTSP [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern IntPtr libvlc_media_new_location(IntPtr libvlc_instance, IntPtr path); // 从本地文件路径构建一个libvlc_media rtsp串流不适合调用此接口 // [MarshalAs(UnmanagedType.LPStr)] string path [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern IntPtr libvlc_media_new_path(IntPtr libvlc_instance, IntPtr path); ///

/// 影片长度 ///

/// /// [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern IntPtr libvlc_media_player_get_length(IntPtr libvlc_media_player); //释放对象 [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern void libvlc_media_release(IntPtr libvlc_media_inst); // 将视频(libvlc_media)绑定到播放器上 [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern void libvlc_media_player_set_media(IntPtr libvlc_media_player, IntPtr libvlc_media); //创建(libvlc_media)播放窗口 [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern void libvlc_media_player_new_from_media(IntPtr libvlc_media_player); // 设置图像输出的窗口 [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern void libvlc_media_player_set_hwnd(IntPtr libvlc_mediaplayer, Int32 drawable); //播放 [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern void libvlc_media_player_play(IntPtr libvlc_mediaplayer); //暂停 [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern void libvlc_media_player_pause(IntPtr libvlc_mediaplayer); //停止 [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern void libvlc_media_player_stop(IntPtr libvlc_mediaplayer); // 解析视频资源的媒体信息(如时长等) [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern void libvlc_media_parse(IntPtr libvlc_media); // 返回视频的时长(必须先调用libvlc_media_parse之后，该函数才会生效) [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern Int64 libvlc_media_get_duration(IntPtr libvlc_media); // 当前播放的时间 [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern Int64 libvlc_media_player_get_time(IntPtr libvlc_mediaplayer); // 设置播放位置(拖动) [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern void libvlc_media_player_set_time(IntPtr libvlc_mediaplayer, Int64 time); ///

/// 抓图 ///

/// /// 经典0 /// 完整路径，文件名英文或下划线开头 /// /// /// [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern int libvlc_video_take_snapshot(IntPtr libvlc_mediaplayer, uint num, IntPtr filePath, uint i_width, uint i_height); //media player release [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern void libvlc_media_player_release(IntPtr libvlc_mediaplayer); // 获取音量 [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern int libvlc_audio_get_volume(IntPtr libvlc_media_player); //设置音量 [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern void libvlc_audio_set_volume(IntPtr libvlc_media_player, int volume); // 设置全屏 [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern void libvlc_set_fullscreen(IntPtr libvlc_media_player, int isFullScreen); ///

///判断是否可以录像 ///

/// /// //Can the media player record the current media? [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern bool libvlc_media_player_is_recordable(IntPtr libvlc_media_player); ///

///判断是否在录像 ///

/// /// [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern bool libvlc_media_player_is_recording(IntPtr libvlc_media_player); ///

/// 录像开始 ///

/// /// 保存路径+文件名（d:\\record (将在D盘根目录保存为record.mp4)） /// [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern int libvlc_media_player_record_start(IntPtr libvlc_media_player, IntPtr psz_PathFilename); ///

/// 录像停止 ///

/// /// [DllImport("libvlc", CallingConvention = CallingConvention.Cdecl)] public static extern int libvlc_media_player_record_stop(IntPtr libvlc_media_player);