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Back[width_mm/2 - h_margin, top_row, 0]; f_tune = [width_mm/2 - h_margin, top_row, 0]; left_rib_x = thickness + 6 + tolerance; extra_depth = 75 + tolerance; rotate_vector_cos = 0.94; // 'x' of 20 degree rotation rotate_vector_sin = 0.34; // 'y' of rotation left_edge = -rotate_vector_sin * rail_depth; right_edge = height - rail_clearance - thickness*2 - 16.5/2; // 16.5 is the decade counter expects CLOCK to pass 1/2 of V+ (i.e. 6v) but many external clock sources cycle between 0v and 5v max // gate out (j4/j10) // clock in (j2/j11) // casc out (j14/j15 // reset/casc in (j1/j13) // gate out (j4/j10 // clock in (j2/j11 // casc out (j14/j15) // reset/casc in (j1/j13 // gate out (j4/j10) // clock out (j5/j12) // glide atten (rv15 // 13 SPDT switches 1 rotary switch, 5+ positions 10 LEDs.
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