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Notes](build.md | | R3, R21 | 2 | 1nF | Film capacitor | | R9, R11, R13 | 3 | 10k | Resistor | | C9 | 1 | Conn_01x07 | \*(optional) SIP socket, 2.54 mm, 1x2 (see [build notes](build.md | | | | | | R9, R11, R13 | 3 | AudioJack2 | Audio Jack, 2 Poles (Mono / TS) | | U1 | 1 | SW_Push | Push button switch OFF-(ON CMOS General Purpose Timer, 555 compatible, PDIP-8"/>

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