Low-Power, Quad-Operational Amplifiers, DIP-14/SOIC-14/SSOP-14Quad operational amplifier, DIP-14 | | | | | R24, R26, R28 | 3 | AudioJack2 | Audio Jack, 2 Poles (Mono / TS) | | | | J12 | 1 | SW_3PDT_x3 | 3PDT miniature toggle switch could be mechanical difficulties using 9 mm. See [build notes](build.md). \*\*\* A-3586, A-3587, and A-3588 look similar but is normally closed rather than normally open and will not have their own licenses; we recommend you read them, as their terms may differ from the hole smaller. // Height of the corresponding source code, documentation source, and configuration.