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BackFile // 1 for 5v / 2.5v output mode // 10 LEDs - one per step // 1 rotary switch with 12 positions D 2 pin Molex connector 2.54 mm spacing | | J2 | 1 | AudioJack2_SwitchT | Audio Jack, 2 Poles (Mono / TS) | | Tayda | A-2939 | | | | R25, R27, R29 | 3 | 4.7k | Resistor | | Tayda | A-1624 or A-2969 | | Tayda | A-1624 or A-2969 | | S3 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92"/>