Described here are the construction details of a universal serial bus human interface device (USB HID) external keyboard for devices running on Windows and/or Android operating systems. The keyboard ...

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 ...

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 ...