The list of requisits are as follows...
1. 8 x white LEDs...( or some other color )
2. 5 x useless CDs...
3. Superglue or relevent adhesive..
4. 2 x used pens..
5. 12V power supply
for further modifications
6. 1 x CD 4017 IC...
7. 2SC828 transistor...
8. circuit designing board..
9. mono socket...
10. 1 x 10k Ohm resistor..
11. 1 x 1 k ohm resistor..
12. push button switch with "n/c" and "n/o"..
basic layout is as follows...... the 1/2" pieces of pens are glued using super glue and it holds the structure...each tray has 4 x LEDs...
Simple wiring diagram
Advanced wiring diagram with push button switch... The transsitor is either 2SC 828 or 2SD 400
Finished product.....
