| Although installing a long multicore cable, or testing such a cable, is facilitated by the colour coding of the individual wires, it stilI...
| Although installing a long multicore cable, or testing such a cable, is facilitated by the colour coding of the individual wires, it stilI...
| After the circuit description and the construction guidelines given last month we now turn to the way the multifunction counter is operat...
| The instrument described in this three-part article is one you can not afford to give a miss since it is very likely the most advanced fre...
| At high currents, many silicon diodes have a forward voltage of 1V or more. There are types whose drop at currents of up to 2-3 A is limi...
| The simplest solar-cell supply system consists of three parts: a diode, a solar-cell panel, and a rechargeable battery. The diode prevent...
| Most debounce circuits shorten or lengthen the time a switch is pressed to obviate interference pulses caused by switch bounce. The pres...
| It is not always necessary to resort to special les when TTL logic is to be connected to an RS232 interface. Here, a simple adaptor is pro...
| This is a revamped version of an EPROM-emulator we published about three years ago. This time we propose to build the circuit with standar...
| The well-known ICL7106 A-D converter IC has been with us in many generations of digital multimeter. A special version of it, the ICL710...
| Prices of digital multimeters have come down to a level where they are aftordable by almost any hobbyist. Although most multimeters oft...