Tag Archives: MSGEQ7

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 Continue reading 100 LED 10 band Audio Spectrum atmega32 MSGEQ7 with peak hold and fall down