Electrolytic capacitor | | R5 | 2 pin Molex connector 2.54 mm 2x5"/> Push button switch, generic, separate symbols, four pins D Push button switch OFF-(ON) | Dailywell | PAS7B3M1CESA6-5 | Tayda | A-962 | | C1, C11, C12 | 1 nF | Unpolarized capacitor | | | J6 | 1 | TL074 | Quad operational amplifier, DIP-14"/> Operational amplifier, DIP-8 Low-Power, Quad-Operational Amplifiers, DIP-14/SOIC-14/SSOP-14 Small Signal NPN Transistor, TO-92 KK254 Molex connector 2.54 mm spacing D 3 pin Molex header 2.54 mm spacing | | R1, R2 | 2 | 10R | Resistor | | | R3, R21, R27, R28 R4, R6, R7, R30, R31 | 1 nF | Unpolarized capacitor | Tayda | A-001 | | Tayda | A-3545, A-3489, or A-3499\*\*\* | | | | | Screws, nuts, and spacers (see [build.
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