Détection d'un signal sonore avec un petit microphone. Amplification avec un Op-Amp. Traitement du signal avec arduino. Allumage des LEDs du vu-mètre.
| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | Microphone Condenser | MK1 | NONE | 1 |
| 2 | 1k | R1 | AXIAL-0.3 | 1 |
| 3 | 100nF | C1,C2 | RAD-0.1 | 2 |
| 4 | 47k | R2 | AXIAL-0.3 | 1 |
| 5 | 1M | R3 | AXIAL-0.3 | 1 |
| 6 | 10pF | C3 | RAD-0.1 | 1 |
| 7 | 10k | R4 | AXIAL-0.3 | 1 |
| 8 | 3k6 | R5 | AXIAL-0.3 | 1 |
| 9 | SB130 | D1 | SOD-123 | 1 |
| 10 | 10nF | C4 | RAD-0.1 | 1 |
| 11 | 33uF | C5 | CAP-D3.0XF1.5 | 1 |
| 12 | ARDUINO NANO | U2 | ARDUINO_NANO | 1 |
| 13 | BLUE | RED | NONE | 1 |
| 14 | 360 | R6,R9,R10 | AXIAL-0.3 | 3 |
| 15 | 220 | R7,R8 | AXIAL-0.3 | 2 |
| 16 | 2k2 | R11,R13,R15 | AXIAL-0.3 | 3 |
| 17 | 1k8 | R12,R14 | AXIAL-0.3 | 2 |
| 18 | LM358P | U1 | DIP08 | 1 |
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