Labels Milestones
Back47k | Resistor | | R16, R17, R19, R20 **Potentiometer, 9 mm vertical board mount OR: | | | | S1 | 1 | LM358 | Low-Power, Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 | | | | J4 | 1 | TL074 | Quad operational amplifier, DIP-14
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