Car owners can find themselves having to develop a deep involvement in the maintenance and upkeep of their vehicles, especially when it comes to paying special attention to the health of their ...

The following automatic battery-charger design is created with a circuit that could qualify as the simplest window comparator ever built around a single transistor (see the figure). It starts charging ...

A couple of decades ago, having a dead battery usually meant pulling out jumper cables and hoping your friendly neighbor (if you didn't own a secondary car) would be kind enough to give you a jolt to ...