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| ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 | | | | Tayda | A-1135 | | | | U2 | 1 | 10nF | Unpolarized capacitor | | | S2 | 1 | 10R | Resistor | | S2 | 1 | 1uF | Film capacitor | | Tayda | A-2939 | | | D6, D7 | 2 Smaller cap (476nF?) for C1 Ceramic 104s for C10, C14, might be more robust and easier to adjust the placement // these are actually 2p6t, which means only six different step counts are available until the replacement arrives Wiring SW15 (once/stop) and cascade out is easier done via skywiring; only one cross-board wire is needed, vs 3 if the hole in the Source Code Form of the rail + a safety margin // margins from edges h_margin = hole_dist_side + thickness.

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