| The circuit described here is based on an unusual method of deterring a possible car thief. Shortly after it is started, an engine fault is...
| The circuit described here is based on an unusual method of deterring a possible car thief. Shortly after it is started, an engine fault is...
| Although designed in the first in-stance for use with the universal digital meter which was published in Elektor 45, this circuit for an aut...
| Although designed in the first in-stance for use with the universal digital meter which was published in Elektor 45, this circuit for an aut...
| Lightning chess is often played in chess clubs, the idea being that a buzzer is sounded, usually every ten seconds or so, and the player who...
| This circuit is intended to give clear warning when it is time to replace the stylus in a record-player car-tridge. The unit indicates the `...
| This circuit is intended to give clear warning when it is time to replace the stylus in a record-player car-tridge. The unit indicates the `...
| When housewiring, the addition of an extra switch and light to an ex-isting circuit using the same power supply point would not normally cau...
| A frequency range of 0.1 Hz to 999.9 kHz, a choice of CMOS or TTL output levels, and an accuracy/ stability which is limited only by that of...
| ~`Il existe, en matière de voyants alimentés par le secteur, trois options `)principales: les lampes au néon, les lampes à incandescence, e...
| Pour beaucoup de gens, les bulletins d`informations sont très importtants. Cette idée propose un moyen de mettre un récepteur de radio en ma...