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Automatic_Audio_Switch_V2.0

1 year ago 249
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments

Description

This project is an automatic line-level audio switch. It has 2 line-level inputs and 1 output.

When there is no signal on input 1, input 2 will be on the output. When a signal is detected on input 1, the relais will switch the input 1 to the output.

Then when there is no signal on input 1 for about 15 seconds, the relais will switch again to input 2.

Documents

Schema_Signal_Detector_V2.0

PCB_Automatic_Audio_Switch_V2.0

BOM

ID Name Designator Footprint Quantity
1 10k R1,R2 AXIAL-0.3 2
2 100k R3,R5,R7 AXIAL-0.3 3
3 1k R4 AXIAL-0.3 1
4 2k2 R8 AXIAL-0.3 1
5 100R R9 AXIAL-0.3 1
6 10R R11 AXIAL-0.3 1
7 1u C1 CAP-D3.0XF1.5 1
8 33u C2,C3,C4 CAP-D3.0XF1.5 3
9 1N4148 D6,D7 DO-35 2
10 LeftOut LO HDR-1X1/2.54 1
11 RightOut RO HDR-1X1/2.54 1
12 GrO GOL HDR-1X1/2.54 1
13 LeftIn 1 LI1 HDR-1X1/2.54 1
14 RightIn 1 RI1 HDR-1X1/2.54 1
15 20k R6 RES-ADJ_3386P 1
16 LeftIn 2 LI2 HDR-1X1/2.54 1
17 RightIn 2 RI2 HDR-1X1/2.54 1
18 2N7000 Q1 TO92-INLINE 1
19 BZX55C5V1 D5 DO-35 1
20 GrIn2 GR1 HDR-1X1/2.54 1
21 GrIn1 GL1 HDR-1X1/2.54 1
22 DC 12V P1 HDR-1X2/2.54 1
23 RED LED1 LED-3MM/2.54 1
24 2M R10,R12 AXIAL-0.3 2
25 TQ2-5V K1 TQ2-5V 1
26 LM358 U2 DIP08 1

Attachments

None

Members

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