100 LED 10 Band Audio Spectrum Atmega32 MSGEQ7 With Peak Hold and Fall Down

MSGEQ7 and atmega32 based Audio Spectrum.
10 level height and 10 band width.
peak hold and fall down display style

Step 1: Components List

      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

Step 2: Circuit Diagram / Wiring Diagram

complete circuit diagram
Download

Step 3: MSGEQ7 Board.

Step 4: Assembled Board - Final

Step 5:

at mega 32 hex file.
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Fuse settings
1, External crystal high Freq 16CK + 64 ms;
2, no memory lock features enabled
3, serial program download enabled

USB Programmer Software :
----------------------------------------------------
http://khazama.com/project/programmer/

atmega-32 Audio spectrum Hex File