| The Elektor Electronics Digital Train System published in this magazine in 1989/90 was warmly received by the regrettably declining co...
All items tagged with LED and PC (22)
| In this article we discuss and respons the questions and advices of our readers.
| Over the years this magazine has published a variety of light dimmers. Invariably, these were designs based on discrete components. Th...
| Most of you will be aware that DTMF/telephone dialing signals are two-tone combination that may be recorded on any cheap tape recorder, just...
| This battery tester is capable of measuring the capacity of batteries up to 17 V at a maximum discharge current of 1 A. Remarkably, the test...
| Today's personal computer, by virtue of its relatively low price and respectable computing power, is a perfect basis for a measurement sys...
| When the disk drive indicator of a computer cannot be read (since the computer is under or beside the table) it may be useful. If difficu...
| This 8-bit bus extension card for IBM PCs and compatibles allows you to eonnect and test insertion cards without having to open the comp...
| The circuit diagram of the power supply shows that the semiconductor tester has an on-board step-up voltage converter that is powered from...
| This versatile, PCcontrolled, test instrument, designed and marketed as a kit by ELV, puts you in a position to view, on your PC monitor, th...