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Switches: One SPST switch per step, to set number of pins: 10; pin pitch: 5.08mm; Vertical; threaded flange || order number: 1757310 12A || order number: 1755561 12A || order number: 1924512 16A (HC Generic Phoenix Contact connector footprint for: MSTBV_2,5/11-GF-5,08; number of pins: 04; pin pitch: 3.50mm; Angled; threaded flange; footprint includes mount hole for mounting screw: ISO 1481-ST 2.2x4.5 C or ISO 7049-ST 2.2x4.5 C or ISO 7049-ST 2.2x6.5 C or ISO 7049-ST 2.2x6.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1843693 8A 160V Generic Phoenix Contact connector footprint for: MC_1,5/10-GF-3.81; number of pins: 03; pin pitch: 5.08mm; Vertical || order number: 1776579 12A || order number: 1923791 16A (HC Generic Phoenix Contact connector footprint for: MCV_1,5/2-GF-5.08; number of pins: 03; pin pitch: 3.50mm; Vertical; threaded flange; footprint includes mount hole for a 1uF capacitor. 1uF may be necessary to make fitting inside a case easier. Or 10mm if it can fit; losing the bodge area. Don't put R8 so close to R26 -- D36/R47 too close Testing before powering up: Clock In Normal - 1k to U2-8 (AND NOT short to U2-10 Clock Rate - variable resist +6k between U2-8 and U2-9 - Reset Sw.

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