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

      components list
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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 

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 :
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http://khazama.com/project/programmer/


atmega-32 Audio spectrum  Hex File