MSGEQ7 and atmega32 based Audio Spectrum.
10 level height and 10 band width.
peak hold and fall down display style
10 level height and 10 band width.
peak hold and fall down display style
Step 1: Components list
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
————————————-
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 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 enabledUSB Programmer Software :
—————————————————-
https://khazama.com/project/programmer/
——————————————-
Fuse settings
1, External crystal high Freq 16CK + 64 ms;
2, no memory lock features enabled
3, serial program download enabledUSB Programmer Software :
—————————————————-
https://khazama.com/project/programmer/
atmega-32 Audio spectrum Hex File