许久未对电脑进行系统优化，最近感觉运行速度变慢，便使用优化软件进行了全面清理，通过超级兔子深度清除系统及注册表垃圾，并对注册表进行了压缩整理。重启后却发现USB键盘无法使用，在登录界面无法输入密码，尽管鼠标操作正常。尝试更换其他USB键盘 ...

Bored of making the same old circuits again and again? Want to try out something cool? Then just follow the article and find out how to build a USB HID keyboard device. Bored of making the same old ...

This reference design is a verified Keyboard Scanner or controller. This 128 key scan device is specifically targeted towards end equipment that runs on Windows 8 operating system. The device is fully ...

I am looking to see what’s available as a read-only NFC card reader, that presents itself as a USB HID device? We are only interested in reading the card’s UID as keyboard input. I am looking ...

The Matrix is a USB bill validator, sometimes known as a note reader or bill acceptor, made by Validation Technologies International. The bundled software was developed for Microsoft Windows, but ...