Labels Milestones
Back2 x 6mm drills 3 pin Molex connector 2.54 mm spacing Q1, Q2, Q3, Q4, Q5 R1, R2, R23, R24 R3, R21, R27, R28 | 3 | AudioJack2 | Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling) | | | | Taydaa | A-4755 | | | | | | | | | | | | | S2 | 1 | 4.7 uF | Unpolarized capacitor | | U2 | 1 | LM358 | Low-Power, Dual Operational Amplifiers, DIP-14/SOIC-14 Low-Power, Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8"/>