TS) Low-Power, Quad-Operational Amplifiers, DIP-14/SOIC-14/SSOP-14Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling)"/> Audio Jack, 2 Poles (Mono / TS *(optional) SIP socket, 2.54 mm, 1x2 (see [build notes](build.md | | | | J8 | 1 | 1 | 2_pin_Molex_connector | KK254 Molex connector 2.54 mm spacing DEF 2_pin_Molex_connector J 0 40 Y Y 1 F N DEF SW_Rotary4x3 SW 0 40 Y N 1 F N DEF ao_symbols_Graphic GRAF 0 40 N N 1 F N DEF SW_SP3T SW 0 0 Y N 1 F N.