| For this interface we use an (old) computer keyboard. This contains as many switches as there are keys. These switches are scanned many time...
| For this interface we use an (old) computer keyboard. This contains as many switches as there are keys. These switches are scanned many time...
| This circuit does the exact opposite of what most of this type of changeover switches attempt to do. Usually a changeover switch is used wit...
| …and couldn’t find anywhere, you will find in this Elektor article (and where else would you find it?). It’s a natural idea to use a PC keyb...
| A PC, most of us would say, consists of a complete computer case with a keyboard and a monitor, all wired up and installed in the workplac...
| This article covers two projects. The first demonstrates how to use a PC to decode RC5-style infrared remote control signals, while the se...
| For some programming applications such as writing Pascal units, you have to enter lots of hexadecimal numbers. Using a standard PC keyboard...
| The two elementary interfaces between man and computer are the keyboard and the mouse for manual data entry, and the monitor which bas...
| In some situations, for instance, in education or in process contra I systems, it is practical to have at least two keyboards connecte...