QR Code Resources
Everything about 2D QR code.
有机玻璃简介
有机玻璃是我们所做各种视觉设备的基础。主要用于固定设备器件结构，封装保护光学空间，支撑用户界面，美化外观。为了更好的使用有机玻璃，在这里集中总结有机玻璃的各种性质.
Ergonomics
The size and outlook of the device is very important. What size is most comfortable for people to use? It is very hard to tell. Here some info about the ergonomics research are collected.
Linear CCD Websites
The linear ccd sensors collected.