row_2 = row_1 + v_margin + 12; //knob_radius top_row = height - v_margin*2 - title_font_size; working_increment = (working_height-v_margin+thickness) / (9); // generally-useful spacing amount for vertical columns of stuff col_middle = col_left + (15.6 + 1.5 + 7 segment high efficiency red One digit 7 segment green LED, http://www.kingbrightusa.com/images/catalog/SPEC/CA56-12SRWA.pdf 4 digit 7 segment yellow -1 overflow 7 segment yellow LED 4 digit 7 segment LED display Dubble digit super bright orange 7 segment orange common anode Single digit 7 segement blue LED with right dot One digit 7 segment red, https://docs.broadcom.com/docs/AV02-2553EN -1 overflow 7 segment LCD Double digit seven segment green LED, http://www.kingbrightusa.com/images/catalog/SPEC/CC56-12YWA.pdf Single digit 7 segment green LED display Dubble digit green 7 segment green -1 overflow 7 segment green LED, http://www.kingbrightusa.com/images/catalog/SPEC/CA56-12EWA.pdf 4 digit 7 segment green LED with dot One digit 7 segment LED display Dubble digit super bright orange 7 segment LED display in red, yellow or green colour http://www.kingbrightusa.com/images/catalog/SPEC/sa39-11ewa.pdf One digit 7 segment LED display in red, yellow or green colour http://www.kingbrightusa.com/images/catalog/SPEC/sa39-11ewa.pdf One digit 7 segment blue LED with right dot One digit 7 segment green LED, http://www.kingbrightusa.com/images/catalog/SPEC/CA56-12SRWA.pdf 4 digit 7 segment ultra bright red Dubble digit hyper red LED with right dot One digit 7 segment yellow LED 4 digit 7 segment green LED, http://www.kingbrightusa.com/images/catalog/SPEC/CC56-12YWA.pdf Single digit 7 segment green -1 overflow 7 segment green LED, http://www.kingbrightusa.com/images/catalog/SPEC/CA56-12EWA.pdf 4 digit 7 segment red LED display Dubble digit super bright orange LED with left dot One digit 7 segment SA39-11 SC39-11 SA39-12 SC39-12 Ferrite, vertical, LairdTech 28C0236-0JW-10, https://assets.lairdtech.com/home/brandworld/files/28C0236-0JW-10.pdf, JW Miller core https://www.bourns.com/products/magnetic-products/j.w.-miller-through-hole-ferrite-beads-emi-filters Ferrite vertical LairdTech 28C0236-0JW-10 Circular Fiducial, 1mm bare copper, 3mm soldermask opening Circular Fiducial, 0.75mm bare copper, 3mm soldermask opening (Level A Circular Fiducial, 0.75mm bare copper, 2mm soldermask opening Circular Fiducial, 1.5mm bare copper, 4.5mm soldermask opening Circular Fiducial, 1.5mm bare copper, 1.5mm soldermask opening Circular Fiducial, 0.75mm bare copper, 1mm soldermask opening Circular Fiducial, 1.5mm bare copper, 2mm soldermask opening (Level B Circular Fiducial, 0.5mm bare copper, 3mm soldermask opening (Level A Circular Fiducial, 1mm bare copper, 3mm soldermask opening (Level A Circular Fiducial.