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Wires: glide in (sleeve and normal both GND 6x Sockets, 2pin: - all step switches (all go to 10 nF | Unpolarized capacitor | | | C6, C7, C8, C9 D1, D2, D3, D4, D5, D8, D9, D10 100V 0.15A standard switching diode, DO-35 Switch, triple pole double throw | | Tayda | A-553 | | L1 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 Quad operational amplifier, DIP-14 | | | S3 | 1 | Conn_01x02 | SIP socket, 2.54 mm, 1x4 Pin header, 2.54 mm, 1x7 | | | | | | | R15, R20, R22 | 2 | 1N5817 | Schottky diode | | J12 | 1 | Conn_01x10 | Pin header, 2.54 mm, 1x2 (see [build notes](build.md | | | | | | | J1 | 1 uF | Polarized capacitor | | | | | C10 | 3 | 1k | Resistor | | S1 | 1 | LM358 | Low-Power, Dual Operational Amplifiers, DIP-8/SOIC-8/TSSOP-8/VSSOP-8 Small Signal NPN Transistor, TO-92 | | | | | | | R4, R12, R13 | 3 Hardware/PCB/precadsr/precadsr.sch | 412 Hardware/PCB/precadsr/precadsr.xml | 1557 Hardware/PCB/precadsr/sym-lib-table | 3 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 | | | | | Tayda | A-804 | | | | S3 | 1 | B10k | \*\*Potentiometer, 16 mm 3.5 mm jack 3 mm LED 5 mm | | J5, J12, J13 | 3 | 1k | Resistor | | | | | | | D1, D2 | 2.

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