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You use 9 mm or 16 mm vertical board mount OR: | | | J1 | 1 uF | Unpolarized capacitor | | | | Q1, Q2, Q3, Q4, Q5 R1, R2, R23, R24 | 4 .../PCB/precadsr_Gerbers/precadsr-F_Mask.gbr | 481 .../PCB/precadsr_Gerbers/precadsr-F_Paste.gbr | 4 | 47k | Resistor | | | | D1, D2, D3, D4, D5, D6, D7, D8, D9, D10 | 8 | 1N4148 | Standard switching diode, DO-35 Standard switching diode, DO-35"/> Dual Operational Amplifiers, DIP-8/SOIC-8/TSSOP-8/VSSOP-8 Small Signal NPN Transistor, TO-92 | | | J6, J10, J11 | 1 | B10k | \*\*Potentiometer, 9 mm or 16 mm vertical board mount. Only 16 mm have been tested and there could be other values, ceramic may work, test debouncing. Maybe enlarge.

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