Labels Milestones
Back| Schottky diode | | 1 | TL074 | Quad operational amplifier, DIP-14 | | C10 | 1 | LED | Light emitting diode | | | | | | | | | | | R16, R18, R26 | 3 | 1k | Resistor | | | J3, J4, J5 | 3 | 100R | Resistor | | | | L1 | 1 | B10k | **Potentiometer, 16 mm vertical board mount. \*\* Use only four (4) potentiometers, either 9 mm or 16 mm vertical board mount. \*\* Use only four (4) potentiometers, either 9 mm vertical board mount OR: | | | | | | | | Tayda | A-1847 | | R4, R6, R7, R30, R31 Switch, dual pole double throw | | | Tayda | A-4349 | | Tayda | A-4755 | | Tayda | A-159 | | U3 | 1 | 1 Hardware/lib/aoKicad | 1 | 2_pin_Molex_connector | 2 | | | | | | | | | | | | Screws, nuts, and spacers (see [build notes](build.md | | | | R114 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 | | | | | | S3 | 1 | 2_pin_Molex_header | 2 aoKicad | 1 | 10 nF | Unpolarized capacitor | | | | | C2 | 1 | AudioJack2_SwitchT | Audio Jack, 2 Poles (Mono / TS)