LED灯设计的闪烁的心电路

R1, R2 - 470 ohm, 1/2-watt
R3-R5 - 100 ohm, 3-watt
R6-R8 - 1000 ohm, 1.4-watt
R9 - 5000 ohm potentiometer
C1, C2 - 100uF, 16 volts, electrolytic radial
IC1 - 4047, low power monostable/astable multivibrator
Q1-Q3 - 2n3643 NPN transistor or equivalent
LED1-LED84 - yellow light-emitting diode
LED85-LED126 - red light-emitting diode
LED127-LED142 - green light-emitting diode
PS1 - 12VDC @ 500mA wall transformer
Miscellaneous: Jumper wire, solder, printed circuit board,
drill and bits,14 pin I.C. socket, and a frame or case.