More about phone (291)

1-09-1997 | A minimum amount of hardware is needed to build a chipcard reader/programmer that enables you to use a PC to examine the electronic co...

1-06-1997 | In this article we describe a system which enables you to control and check the status of electrical appliances by means of commands s...

1-05-1997 | Some of the most likely causes for the increased demand for ISDN connections are the wider acceptance of fax machines for private use,...

1-03-1997 | Mobile communication has taken the world by storm, with unprecedented acceptance by the general public. A few years ago, a carphone would se...

1-02-1997 | Chip cards come in a wide variety, and their contents seems to exert a strong attraction on many electronics enthusiasts. Disposable t...

1-11-1996 | An amplifier is described whose power is measured not in watts but in milliwatts, since it is intended to drive headphones used by gui...

1-10-1996 | EURO PE ON THE WAY TO A STANDARD TELEPHONE CARD

1-02-1996 | If you are after great sound at an affordable price, go out and buy a pair of high-quality headphones. Next, you will need a dedicated hea...

1-12-1995 | This circuit imitates a small telephone exchange, allowing a PC to dial a Fax machine, and vice versa, without actuaIly making use of the...

1-12-1995 | Connecting two computers that contain a modern card is straightforward as shown in the diagram. The setup makes dialling a telephone num...