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BackSignal lamp, generic K switch dual-pole double-throw spdt ON-ON K reed magnetic switch SPDT D rotary switch - 7mm, with 3-4mm extra space micro toggle switch ON-ON Push button switch OFF-(ON CMOS General Purpose Timer, 555 compatible, PDIP-8 Quad operational amplifier, DIP-14 | | | | | C1, C11, C12 | 2 | 1M | Resistor | | | R9, R11, R13 | 3 | A1M | \*\*Potentiometer, 16 mm vertical board mount OR: | | Tayda | A-3486 or A-3487\*\*\* | | | | J1 | 1 | 4.7 uF | Polarized capacitor | | S3 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92"/>