所有资料从以下链接获取
● Wiki教程：http://wiki.friendlyarm.com/wiki/index.php/NanoPC-T4/zh
机械结构图（dxf格式）：http://wiki.friendlyarm.com/wiki/images/b/bc/NanoPC-T4_1802_Drawing%28dxf%29.zip
原理图：http://wiki.friendlyarm.com/wiki/images/f/f4/NanoPC-T4-1802-Schematic.pdf
源代码：https://github.com/friendlyarm
固件下载地址：https://pan.baidu.com/s/1rZmMQEQL1tu15R6IeYrksw#list/path
GPIO引脚对应
http://wiki.friendlyarm.com/wiki/index.php/WiringPi_for_RK3399/zh
SOM RK3399
资料连接下载：
http://wiki.friendlyarm.com/wiki/index.php/SOM-RK3399/zh
http://wiki.friendlyarm.com/wiki/images/9/96/SOM-RK3399_1904_Schematic.pdf
http://wiki.friendlyarm.com/wiki/images/6/62/SOM-RK3399_1904_dxf.zip
http://wiki.friendlyarm.com/wiki/images/d/de/SOM-RK3399_Dev_Kit_1904_Schematic.pdf
http://wiki.friendlyarm.com/wiki/images/7/7f/SOM-RK3399_Dev_Kit_1904_dxf.zip
https://gitlab.com/friendlyelec/rk3399-nougat/tree/nanopc-t4-nougat/RKDocs
http://opensource.rock-chips.com/images/6/60/Rockchip_RK3399_Datasheet_V1.6-20170301.pdf
http://opensource.rock-chips.com/images/e/ee/Rockchip_RK3399TRM_V1.4_Part1-20170408.pdf
截屏
键盘上有printscreen的按键
