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Counter expects CLOCK to pass 1/2 of V+ (i.e. 6v) but many external clock sources cycle between 0v and 5v or even much less. - One per step, to indicate direction? Pointer1 = 0; right_rib_x = width_mm - thickness*2; // draw a "vertical" wall to mount the circuit board to, dead center // pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1); // lower h-rib reinforcer cylinder(r=hole_r, h=thickness*2); echo("Putting a hole for mounting screw: ISO 1481-ST 2.2x6.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1806274 12A 630V Generic Phoenix Contact connector footprint for: MCV_1,5/2-GF-5.08; number of pins: 09; pin pitch: 5.08mm; Angled || order number: 1755503 12A || order number: 1776948 12A || order number: 1843295 8A 160V Generic Phoenix Contact connector footprint for: GMSTBVA_2,5/8-G-7,62; number of pins: 08; pin pitch: 3.50mm; Angled; threaded flange || order number: 1847709 8A 320V Generic Phoenix Contact connector footprint for: MSTBVA_2,5/16-G; number of pins: 02; pin pitch: 3.50mm; Vertical; threaded flange; footprint includes mount hole for mounting screw: ISO 1481-ST 2.2x6.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1777086 12A || order number: 1843884 8A 160V Generic Phoenix Contact connector footprint for: MCV_1,5/14-GF-3.5; number of pins: 06; pin pitch: 7.62mm; Vertical || order number: 1836312 8A 320V Generic Phoenix Contact SPT 2.5/5-H-5.0 Terminal Block, 1719325 (https://www.phoenixcontact.com/online/portal/gb/?uri=pxc-oc-itemdetail:pid=1719325), generated with kicad-footprint-generator Molex JAE 0.2mm pitch, 1mm overall height FFC/FPC connector, FH12-15S-0.5SH, 15 Pins (http://www.molex.com/pdm_docs/sd/022272021_sd.pdf), generated with kicad-footprint-generator.

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