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BackHttp://spec_sheets.e-switch.com/specs/P040170.pdf Switch, single pole double throw, center OFF position K switch single-pole double-throw spdt ON-ON D Push button switch | | | | | | | | Tayda | A-1121 | | | | | | R15, R20, R22 | 3 | 2N3904 | 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92 | | | | | | | | | | | | | | S1 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8"/>