元件BOM表:
R1 100 Ohm 1/4W ResistorR2 470 Ohm 1/4W ResistorR3 10k 1/4W ResistorR4 100K 1/4W ResistorR5 1K 1/4W ResistorC1 47uF Electrolytic CapacitorU1 78L05 Voltage RegulatorU2 LM339 Op AmpL1 #47 Incandescent lamp with glass removed (See "Notes")D1 LEDMISC Board, Wire, Sockets for ICs, etc.