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BackSymbol, four pins D Push button switch OFF-(ON CMOS General Purpose Timer, 555 compatible, PDIP-8 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92 | | | Tayda | A-804 | | | | Screws, nuts, and spacers (see [build notes](build.md)) | | | | | | | J2 | 1 nF | Unpolarized capacitor | | | R4, R12, R13 | 3 pin Molex connector 2.54 mm spacing | | R9, R11, R13 | 3 | AudioJack2 | Audio Jack, 2 Poles (Mono / TS)"/>