3
1
Back

Screws, nuts, and spacers (see build notes) 1 SIP socket, 2.54 mm, 1x10 Pin header, 2.54 mm, 1x4 | | | | | Tayda | A-553 | | Tayda | A-1531 or A-557 | | | | | | | | | | R4, R6, R7, R30, R31 | 1 | 1uF | Unpolarized capacitor | | | S3 | 1 | TL071 | Operational amplifier, DIP-8 | | R31 | 1 | B10k | **Potentiometer, 9 mm or 16 mm vertical board.

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