| The charger makes cunning use of the properties of a Type 555 timer. The tnternal window comparator of the lC is set to 4.7 V by zener dio...
More about Battery (455)
| Fast charging high-capacity NiCd batteries with large currents does not only save time, but also prolongs their useful life. Moreover, if...
| The reliability of readings of battery-operated measuring instruments depends, of course, on the state of the battery. Even simple instrum...
| Although newer types of solar cell have come to the fore recently, amorphous cells are bound to be with us for some time to come, mainly...
| Halogen-lamps, particularly highwattage ones, tend to draw very high currents when they are cold, because they then have a very low resis...
| Model aircraft tend to be realistic reproductions of the real thing. That means, among others, that starting the petrol engine must be d...
| The perpetual difficulty in designing fast NiCd chargers is determining when the battery is charged, that is, when to stop charging.
| This handy circuit is intended for battery-operated appliances. lt functions as a touch-operatedsupplyon switch and delayed supply offsw...
| Many electronics designers give little or no thought during their work to the various types of battery now available, Battery manufacture...
| A handy square-wave generator is described which provides fifty-seven stable frequencies for the testing of digital circuits. It is batter...