



| R1, R2 | 22R SMD 0805 |
| R3 | 1M SMD 0805 |
| R4 | 1k5 SMD 0805 |
| R5 | 180k SMD 0805 |
| R6 | 91k SMD 0805 |
| R7 | 680 SMD 0805 |
| LED1 | green LED SMD 0805 |
| C1, C2, C9, C10 | 10uF/35V SMD tantal |
| C3, C4, C7, C8 | 1uF/35V SMD tantal |
| C5, C6 | 22pF SMD 0805 ceramic |
| C11 | 10nF SMD 0805 ceramic |
| IC1 | PCM2902E (PCM2900E) SSOP |
| IC2 | LP2951CM |
| Q1 | 12MHz crystal |
| X1 | USB type B connector |