材料BOM表:
R1 = 470RR2 = 470RR3 = 33KR5 = 560RR4 = 470RR6 = 47KR7 = 2.2KR8 = 470RC1 = 10uF-16VC2 = 0.04uF-63VC3 = 0.01uF-63VQ1 = BC548Q2 = BC558Q3 = SL100BD1 = Red LedD2 = 1N4001IC1 = NE555SPKR = 1W-8RTH1 = Thermistor-10K