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Thursday, September 26, 2013

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ALTERNATING FLASHER ELECTRONIC DIAGRAM


ALTERNATING FLASHER ELECTRONIC DIAGRAM

The first IC used as a 1 second clock, which generates ON/OFF for the other ICs. Diodes help to cover the IC555 from the peak voltage. Take note that the relay used should have impedance more than 50 ohm.

Parts list :


  •     Diode D1-D2 : 1N4001
  •     Zener Diode D2 : 6V
  •     R1,R5,R7 : 3k3
  •     R2,R6,R8 : 68k
  •     Resistor variable VR1 : 47k
  •     Polar capacitor C1 : 10uF/16V
  •     Polar capacitor C3,C5 : 2.2 uF/16V
  •     Capacitor C2,C4,C6 : 0.01 uF
  •     Transistor T1 : BC107/BC148
  •     IC timer : NE555
  •     Relay : 6-9 V
  •     Power supply 6-9 V



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