| With battery-operated equipment there’s always the risk of batteries being inserted the wrong way around. Although a diode or a bridge recti...
All items tagged with Battery and relay (4)
| In older cars, the battery charging voltage is controlled mechanically. The regulator consists of a relay that switches the stator windin...
| Simple battery chargers and power supplies are not normally provided with a current Iimiter. In many cases, however, it would be advanta...
| This little circuit switches off the equipment in your audio rack when this has not produced sound for some time.