My Box O'Volume
passive 4-state volume selector
15-16.3.2011
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| left switch | right switch | output volume/LED clr |
|---|---|---|
| 0 | 0 | NORMAL (green pot) |
| 0 | 1 | LOUD |
| 1 | 0 | MUTE (blinking) |
| 1 | 1 | QUIET (yellow pot) |
