串口转发UDP
socat udp:192.168.8.110:14550 /dev/serial0,b57600,echo=0,nonblock
树莓派摄像头视频流
raspivid原始视频流
raspivid -fl -if adaptive -pf baseline -g 30 -qp 0 -stm -ih -t 0 -rot 90 -w 800 -h 480 -fps 30 -b 500000 -o - | nc -lkv4 5001
gstreamer方式
raspivid -t 0 -rot 0 -h 480 -w 640 -fps 30 -hf -b 2000000 -o - | gst-launch-1.0 -v fdsrc ! h264parse ! rtph264pay config-interval=1 pt=96 ! udpsink host=192.168.8.111 port=5600
Android端播放raspivid原始视频流 http://frozen.ca/rpi-camera-viewer-for-android/
内网透传
免费的樱花frp Sakura Frp https://www.natfrp.com/
p2p 透传 双对称NAT不好用 Zerotier One http://zerotier.com