Much of Chile is included in the Chilean Winter Rainfall-Valdivian Forests biodiversity hotspot (CEPF). In addition to mainland areas this hotspot includes the island ecoregions of the Juan Fernandez FernÃ¡ndez Islands Temperate (EoE) eoe and The San-Felix FÃ©lix San Ambrosio Islands (EoE) . forests eoe
Cars have voltage regulators that maintain their battery's charge. A multimeter, which can be used to measure voltage. An automobile engine's alternator essentially serves as an electric generator. The power generated by the car's charging system is also used to run the car's electrical systems, such as its headlights.
That both circuits usually use 0V for low is incidental. A voltage regulator is used to take a possibly unstable voltage source of higher voltage and produce a smooth output voltage. A DC-DC converter is used to provide one voltage given another as input. They usually have a voltage regulator in the output section. To convert a 5V power supply into a 2.5V power supply you could use either a DC-DC converter or a voltage regulator; a level shifter would not be appropriate for this application.