All items tagged with Battery and Power (66)

1-12-1991 | Simple battery chargers and power supplies are not normally provided with a current Iimiter. In many cases, however, it would be advanta...

1-07-1991 | This little circuit switches off the equipment in your audio rack when this has not produced sound for some time.

1-02-1985 | One of the draw-backs in model boats (and other models as well) is that most of them need two batteries: one for the receiver and servos, an...

1-07-1984 | for battery-operated equipment The low-power switching regulator type 4193, which is housed in an 8-pin miniature DIL package, is designed s...

1-10-1983 | battery eliminator elektor october 1983 Battery eliminator or mains adapter? The names can be confusing as they"re interchanged freely and b...

1-07-1982 | Depending on their condition 1.5 V batteries supply a voltage of 1.2 ... 1.7 V. This circuit can be very useful when a project has to be fed...