The input must be within 2.5~5Vdc and the output must be select acording the the jumper PADs selection as follows:
| A | B | Vout |
| 0 | 0 | 5V |
| 0 | 1 | 8V |
| 1 | 0 | 9V |
| 1 | 1 | 12V |
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The input must be within 2.5~5Vdc and the output must be select acording the the jumper PADs selection as follows:
| A | B | Vout |
| 0 | 0 | 5V |
| 0 | 1 | 8V |
| 1 | 0 | 9V |
| 1 | 1 | 12V |