node-control-tello

0. link to tello with wifi, 电脑无限连接到tello.
1. npm install(need face-recognition support)
2. npm start
3. open url(http://localhost:6767) in browser.
4. can get video stream from tello, let tello takeoff, can catch a face image from video stream. 可以看到tello时时传回来的视频，控制tello起飞，node程序 会在拍摄到的照片里面找到人脸，然后保存成图片放到face文件夹下面。