| 8-02 II twin keyboard for Apple II The keyboard supplied with com- puters is for many applications not the ne plus ultra it is claimed to be...
| 8-02 II twin keyboard for Apple II The keyboard supplied with com- puters is for many applications not the ne plus ultra it is claimed to be...
| Circuits for generating electronic music are usually controlled by key switches. Not only do keyboards offer the simplest technical solution...
| Nobody pays much attention to auto- matically opening and closing sliding doors nowadays. In view of the com- plex mechanics involved, not t...
| The BBC and Electron computers pro- duced by Acorn have a joystick port to which only analogue joysticks can be connected. For many purposes...
| In the 1.2 GHz input stage (February 1985) for the microprocessor- controlled frequency counter, we used an SB8755 prescaler in the IC7pos-...
| A tone burst is a testfrequentlY used 10 audio engineering, partieulartyin loydsPea4er, measurements. It consists of -0 train of sine waves...
| infra-red movement detector elektor June 1985 The detector described in this article reacts to fast temperature variations caused by the mov...
| an IBM compatible micro for home construction Our prototype is built partly from the Megaboard construction kit, produced by DTC (Display Te...
| RAM used as EPROM As long ago as December 1981, we acquainted you with an easily programmed replacement for the 2716 EPROM: the IPROM. In Se...
| service interval timer One hundred years ago the horseless carriage was born, and what a birth that was, for the motor car, after a timed yo...