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Hardware/PCB/precadsr/precadsr.kicad_pcb | 3 | 1k | Resistor | | | | U3 | 1 uF | Polarized capacitor | | 1 Hardware/lib/aoKicad | 1 Hardware/lib/aoKicad | 1 | LM358 | Low-Power, Dual Operational Amplifiers, DIP-14/SOIC-14 | | | 2 | 1N5817 | Schottky Barrier Rectifier Diode, DO-41 Operational amplifier, DIP-8 Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling) | | | | | | | Tayda | A-4349 | | | C7, C12, C13 | 3 | 2N3904 | 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92 | | | | | | | Screws and spacers (see build notes | C7, C12.

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