| There are occasions when it is desirable or even essential for a stereo microphone to be connected to a personal computer. Unfortunately,...
| There are occasions when it is desirable or even essential for a stereo microphone to be connected to a personal computer. Unfortunately,...
| In last month’s instalment we discussed the hardware, which consists of two sections: the card reader module and the computer interfac...
| Judging by the cacaphony emanating from an increasing number of cars on the road, car radio boosters unfonunately remain popular with yo...
| Although they look like any ordinary plastic chipcard of the synchronous type, Smartcards are functionally very different because they...
| 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...
| Many model craft are powered by 12 V rechargeable batteries. Often, it would be a godsend if these batteries could be charged by a...
| A relay is still one of the simplest devices for switching large electrical loads with the aid of a relatively small amount of energy....
| It is quite common in certain areas that from time to time a flight of starlings comes down into a tree. Sometimes there are so many that...
| Every day a large number of private cars get stolen or broken into. One of the available deterrents against car thieves is a loud car ala...
| There are a number of daughterboards that can be added to Sound Blaster (clone) cards to produce a much better sound than the internal FM...