Labels Milestones
BackR21, R27, R28 R4, R6, R7, R30, R31 Switch, dual pole double throw | | | R9 | 1 | B10k | **Potentiometer, 16 mm vertical board mount OR: | | J7, J8, J9 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8"/>
R21, R27, R28 R4, R6, R7, R30, R31 Switch, dual pole double throw | | | R9 | 1 | B10k | **Potentiometer, 16 mm vertical board mount OR: | | J7, J8, J9 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8"/>