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BackIlluminated paddle, red and green LEDs K switch dual-pole double-throw spdt ON-ON D Double Pole Single Throw (SPST) switch, small symbol D Switch, three position, single pole normally-open illuminated tactile switch SPST angled PTS645VL31-2 LFS tactile switch D MEC 5E single pole double throw, separate symbols K switch single-pole double-throw ON-OFF-ON D Single Pole Single Throw (SPST) switch, small symbol D 12x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol D 4x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol D Switch, single pole double throw | | | 2 | 1M | Resistor | | R15, R20, R22 | 2 | 10R | Resistor | | | | | | | | | J6 | 1 | B10k | **Potentiometer, 16 mm vertical board mount. \*\* Use only four (4) potentiometers, either 9 mm vertical board mount | | | J9 | 1 | | Tayda | A-1605 | | | | | Tayda | A-1605 | | | U2 | 1 | Conn_01x04 | Pin header, 2.54 mm, 1x4 | | | | ----- | --- | ---- | ---- | ---- | ---- | ---- | | | C3 | 1 | LM358 | Low-Power, Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 | | | J12 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8"/>