Flashing Heart Circuit

This is LED flashing circuit, the circuit is quite simple. Alternatively, you could be create another shape, not just heart shape.

Download this schematic.

Component list:

Resistors
R1, R2	-	470 ohm, 1/2-watt
R3-R5	-	100 ohm, 3-watt
R6-R8	-	1000 ohm, 1.4-watt
R9	-	5000 ohm potentiometer
Capacitors
C1, C2	-	100uF, 16 volts, electrolytic radial
Semiconductors
IC1	-	4047, low power monostable/astable multivibrator
Q1-Q3	-	2n3643 NPN transistor or equivalent
Download datasheet semiconductor component: 1. 4047 2. 2N3643
Diodes
LED1-LED84	-	yellow light-emitting diode
LED85-LED126	-	red light-emitting diode
LED127-LED142	-	green light-emitting diode
Other components
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.