components list

————————————-

1, atmega32 – 1

2, MSGEQ7 Audio spectrum ic -1

3, veroboard – 1

4, RED Bar graph LED -10

5, 20 pin ic base –  10

6, BC557 -10

7,Resistors – 330Ω -10

– 8.2KΩ -1

– 200kΩ -1

– 22k Ω  -2

– 10k Ω   -1

8, ULN2803  ic  – 2

9, 7805  5V regulator ic -1

10, crystal – 16Mhz -1

11,Capacitors-  22pf-3, 0.01uF -1, 0.1uF – 2

12, single-strand wire

YOU CAN MAKE OWN DOTMATRIX LED OR REORDER THIS PCB AT PCBWAY SHERED PROJECT

https://www.pcbway.com/project/shareproject/W58834ASP10_led10x10.html

hEX FILES N SCHEME VISIT BELLOW

http://www.instructables.com/id/100-LED-10-band-Audio-Spectrum-atmega32-MSGEQ7-wit/?ALLSTEPS

http://blog.unnes.ac.id/eltux/100-led-10-band-audio-spectrum-atmega32-msgeq7-with-peak-hold-and-fall-down/

GOOD LUCK