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Std edition 2 way intercom module LM386 SMD
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Description
THIS IS AN SMD LM386 CIRCUIT. IT CAN BE USED LIKE A WALKIE TALKIE BUT WITH A MUCH MORE CLEAR SOUND.CONNECT A ELECTRET CONDENSOR MICTO THE "IN" PIN AND "GND" AND FIX A SPEAKER TO THE OUTPUT END.(IF U WANT, CONNECT A LONG WIRE TO THE MIC OR SPEAKER) AND SPEAK THROUGH THE MIC.ITS A REAL FUN AND CHEAP CIRCUIT TO PLAY WITH.
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity | BOM_Manufacturer Part |
|---|---|---|---|---|---|
| 1 | LM386MX-1/NOPB | U1 | SOIC-8_150MIL | 1 | LM386MX-1/NOPB |
| 2 | 10uF | C1,C2 | C0805 | 2 | CC0805KKX5R8BB106 |
| 3 | 0.1uF | C3,C4 | 0402 | 2 | C0402T104K4RACTU |
| 4 | Header-Male-2.54_1x4 | H1 | DIP-1X4P-2.54MM-M | 1 | 210S-1*4P L=11.6MMGold-plated black |
| 5 | 4.7KΩ | R1 | 0805 | 1 | TC0525B4701T5E |
| 6 | 10KΩ | R2,R3 | SMD-RESISTOR | 2 | TC0325B1501T5E |
| 7 | Header-Male-2.54_1x2 | H2 | HDR-2X1/2.54 | 1 | 826629-2 |
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