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Back// h_wall(h=4, l=right_rib_x); // middle-bottom h rib h_wall(h=1.6, l=right_rib_x); // bottom horizontal rib // bottom right [right_edge, rotate_vector_sin * height], // top right [left_edge + height * rotate_vector_cos, rotate_vector_sin * height], // top horizontal rib // h_wall(h=4, l=right_rib_x); // one more vertical to mount a circuit outside the full dev board (in some cases) Arduino + DAC https://www.youtube.com/watch?v=t3kUPjdiq0o for explainer https://drive.google.com/drive/folders/156nn9rClRLJplS4M46s56-Pibi86Z-Kp for schematics and .ino file uses an arduino nano clone (atmega 328p), 12-bit dac (mcp4726) and small amounts of supporting hardware Microcontroller and smoothed PWM https://kassu2000.blogspot.com/2019/10/quantizer.html using a setscrew). (ShaftLength must be non-zero. ShaftDiameter = 10; threeUHeight = 133.35; //overall 3u height panelOuterHeight =128.5; panelInnerHeight = 110; //rail clearance = ~11.675mm, top and bottom mountSurfaceHeight = (panelOuterHeight-panelInnerHeight-railHeight*2)/2; hp=5.08; hwCubeWidth = holeWidth-mountHoleDiameter; offsetToMountHoleCenterY=mountSurfaceHeight/2; offsetToMountHoleCenterX=hp;//1hp margin on each Could replace step IDs with a rock/reggae rhythm on the left sub-panel right_rib_x = width_mm - 10 - center_adjust; center_col = width_mm/2; vertical_space = height - hole_dist_top); cylinder(r=hole_r, h=thickness*2); echo("Putting a hole for mounting screw: ISO 1481-ST 2.2x4.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1766741 12A 630V Generic Phoenix Contact connector footprint for: MC_1,5/8-GF-5.08; number of pins: 03; pin pitch: 5.08mm; Vertical; threaded flange || order number: 1843347 8A 160V Generic Phoenix Contact connector footprint for: MSTBA_2,5/15-G; number of pins: 16; pin pitch: 7.62mm; Angled; threaded flange || order number: 1776553 12A || order number: 1806290 12A 630V Generic Phoenix Contact connector footprint for: MSTBVA_2,5/4-G; number of pins: 07.
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