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MIT

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colorlight-sound-effects

2 months ago 147
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Description

LED color effects reacting on sound.

 

Contains 3 channels - red/green/blue each corresponding to low/middle/high frequencies
and one additional channel which switched on white light when no sound present on input.

 

You need to connect chain of LEDs of corresponding color to each channel.

Current-setting resistors for LEDs already present on board.

 

Use external variable resistors to adjust threshold of each channel.

Scheme contains amplifier of input signal with separate level regulator.

Expect on input sound from usual linear input.

 

Sorry for BOM - used ex-Soviet parts

Documents

CMU

PCB_colorlight-sound-effects

BOM

ID Name Designator Footprint Quantity
1 10u C2 CAP-D5.0×F2.0 1
2 47u C1,C4 CAP-D5.0×F2.0 2
3 0.047u C6,C8 CAPACITOR 2
4 0.47u C7 CAPACITOR 1
5 0.15u C10 CAPACITOR 1
6 1u C9,C11 CAPACITOR 2
7 0.01u C12 CAPACITOR 1
8 100u C3,C5,C13 CAP-D6.3×F2.5 3
9 4.7u C14,C15,C16 CAP-D5.0×F2.0 3
10 КД522 D1,D2 DO-35_BD2.0-L4.0-P8.00-D0.5-FD 2
11 Audio In P1 WF-3 1
12 Power P2 CONN-TH_3P-P5.00 1
13 330k R3 R_AXIAL-0.4 1
14 470 R5,R10 R_AXIAL-0.4 2
15 10k R11,R12 R_AXIAL-0.4 2
16 47k R13 R_AXIAL-0.4 1
17 330 R14 R_AXIAL-0.4 1
18 560 R8,R15 R_AXIAL-0.4 2
19 2k2 R6,R17,R19,R21 R_AXIAL-0.4 4
20 68k R16,R18,R20 R_AXIAL-0.4 3
21 100k R22 R_AXIAL-0.4 1
22 1k R1,R2,R4,R7,R23,R24,R25,R27 R_AXIAL-0.4 8
23 4k7 R9,R26,R28,R29,R30 R_AXIAL-0.4 5
24 4.7k RP1 RES-ADJ-TH_3296W 1
25 10k RP2,RP3,RP4,RP5 RES-ADJ-TH_3296W 4
26 КТ815 VT2 КТ814 1
27 КТ3102 VT1,VT3,VT4,VT5,VT6,VT7 КТ3102 6
28 КТ814 VT8,VT9,VT10,VT11 КТ814 4
29 НЧ XP1 WF-2 1
30 СЧ XP2 WF-2 1
31 ВЧ XP3 WF-2 1
32 ФОН XP4 WF-2 1

Attachments

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04-В корпусе.jpg

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