两线灯闪光电路

  材料BOM表：
  R1 6K8 1/4W Resistor
  R2 270K 1/4W Resistor
  R3 22K 1/4W Resistor
  C1 220µF 25V Electrolytic Capacitor
  C2 10µF 25V Electrolytic Capacitor
  D1 1N4002 100V 1A Diode
  Q1 BC557 45V 100mA PNP Transistor
  Q2 BD139 80V 1.5A NPN Transistor
  LP1 Existing filament Lamp: any type in the range 3-24V 10W max.
  SW1 Existing On-Off switch
  B1 Existing V DC source: any type in the range 3-24V
  suited to the lamp adopted(责任编辑：电路图)