Switch, triple pole double throw Precision Timers, 555 compatible, PDIP-8 | | | | J12 | 1 | B10k | **Potentiometer, 16 mm vertical board mount. \*\* Use only four (4) potentiometers, either 9 mm or 16 mm vertical board mount | | | | | | R14 | 1 nF | Unpolarized capacitor | | | | | | 1 | SW_SPDT | SPDT miniature toggle switch ON-ON | | | Tayda | A-1672 | | Tayda | A-1624 or A-2969 | | Knobs | | | | R14 | 1 | TL074 | Quad operational amplifier, DIP-14 | | | | | L1 | 1 | Conn_01x10 | Pin header, 2.54 mm, 1x2 (see [build notes](build.md)) | | | S1 | 1 uF tantalum\nYuSynth 1, 10 µF tantalum.\nMFOS 1, 1+15 µF electrolytic.\n1 µF tanty looks better than EL\n(higher.
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