Program-controlled blowing or voice-operated dual-purpose LED (Light-Emitting Diode) illumination switching control circuit

The invention relates to a program-controlled blowing or voice-operated dual-purpose LED (Light-Emitting Diode) illumination switching control circuit which is characterized by comprising a voltage reduction and rectification circuit, an LED main loop, a signal detection circuit and a singlechip control circuit, wherein the signal detection circuit comprises a third resistor R3, a third capacitor C3, a fourth capacitor C4, an electret capacitive sensor MIC, a fourth resistor R4 and a first triode Q1; the third capacitor C3, the fourth capacitor C4 and the electret capacitive sensor MIC are respectively connected in series with the third resistor R3; the fourth resistor R4 is connected in series with the fourth capacitor C4; a base electrode of the first triode Q1 is respectively connected with the third capacitor C3 and the fourth resistor R4; the voltage reduction and rectification circuit is respectively and electrically connected with the singlechip control circuit, the LED main loop and the signal detecti