| Even though many people may prefer RS-232 to make their circuit communicate with a computer, it is easy enough to implement a USB device mod...
| Even though many people may prefer RS-232 to make their circuit communicate with a computer, it is easy enough to implement a USB device mod...
| When you can build a device exactly as you want it, the result may not be useful to many people. However, often the project itself contains...
| Electronic music keyboards need to scan a lot of keys to know which notes to play. Some models just detect on and off key presses but others...
| There must be many PC users out there with an old USB keyboard kicking around in a junkbox somewhere. Maybe it’s got a mechanical fault you...
| UK startup Novalia demoed an ultra-thin fully functional keyboard printed with conductive ink. Camebridge-based Novalia aims to add low-co...
| Typing on today’s mobile phones and tablets is needlessly slow. One limitation is that the QWERTY layout is ill-suited when typing with the...
| To the average e-enthusiast, the RS232 interface always appears friendlier than the USB port. However, with a small 8-bit microcontroller,...
| By Markus Hirsch (Germany)------Please click on the links to download the articles from Elektor.MAGAZINE (log-in required):
| For this interface we use an (old) computer keyboard. This contains as many switches as there are keys. These switches are scanned many time...
| There are various reasons for wanting a Custom Input Device (CID). We can think of the following two examples. What about a pinball game on...