Automatic electricity saving control device of vehicle electronic system
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The invention discloses an automatic electricity saving control device of a vehicle electronic system; and the device mainly consists of a detecting unit and a single-chip control unit. The detecting unit transmits a detecting signal to the single-chip control unit in a wire or wireless manner. The detecting unit induces a vehicle engine spark plug ignition signal and a vehicle ACC signal (or an accumulator power supply signal) through a non-contact mode. The single-chip control unit controls vehicle electronic equipment to achieve the electricity saving purpose through analyzing the vehicle engine spark plug ignition signal and the vehicle ACC signal (or the accumulator power supply signal) transferred from the detecting unit. The vehicle daytime running light brightness is adjusted according to outdoor light intensity, so that the electric energy of the vehicle electronic system is saved to a certain extent.