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Url .../PCB/precadsr_Gerbers/precadsr-B_Cu.gbr | 4 .../precadsr-Edge_Cuts.gbr | 16 Docs/precadsr_bom.md | 3 | 2N3904 | 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92 R16, R17, R19, R20 **Potentiometer, 9 mm or 16 mm vertical board mount | | R25 | 1 | TL071 | Operational amplifier.

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