| 摘要 |
The present invention teaches a power saving device comprising a power saving circuit, said power saving circuit comprises a microprocessor (U1), an infrared receiving module, a relay, an AC-DC power source, a setup key, wherein said U1 is connected to a buzzer (SP1) via a triode (Q1), and to the setup key, and to the relay via a triode (Q2), and is connected to the infrared emitting module, the infrared receiving module, and the LED (D1) via a triode (Q3). By pushing the setup key, the microprocessor of the power saving device can read and store the infrared code, and controls to switch on or off the relay according to the codes, the relay is connected in series with the line or neutral wire of the power source.
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