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BackSchematics/Unseen Servant/fp-info-cache | 1 | 4.7 uF | Polarized capacitor | | | J2 | 1 | SW_Push | Push button switch OFF-(ON CMOS General Purpose Timer, 555 compatible, PDIP-8 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92 KK254 Molex header 2.54 mm spacing D Switch, single pole double throw, center OFF position K switch dual-pole double-throw DPDT spdt ON-ON D Push button switch OFF-(ON) | Dailywell | PAS7B3M1CESA6-5 | Tayda | A-804 | | | | Screws and spacers (see [build notes](build.md)) | | | | R3, R7 | 2 pin Molex connector 2.54 mm spacing | Tayda | A-3588 | \** Use only four (4) potentiometers, either 9 mm or 16 mm vertical board mount OR: | | | | | R1, R10, R11 | 3 | A1M | Potentiometer | | S2 | 1 | TL074 | Quad Low-Noise JFET-Input Operational Amplifiers, DIP-8/SOIC-8/TO-99-8"/>