Labels Milestones
Back= 17; // [1:1:84] fm_in = [first_col, fourth_row, 0]; //Fifth row interface placement fm_in = [input_column - h_margin/2, bottom_row, 0]; pwm_duty = [second_col, first_row, 0]; //Second row interface placement square_out = [width_mm-h_margin, row_1, 0]; left_rib_x = thickness * 1; right_rib_x = width_mm - 9.5/2 - right_rib_thickness - tolerance; // left_rib_x = thickness * 1; right_rib_x = width_mm - thickness*2; left_rib_x = thickness * 1; //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 ## Photos ### Photos ## Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md) How to use 7.5mm holes, not 6mm - alpha pots - 9.8mm, +2mm .
- Normal 0.430921 -0.255018 0.865606 vertex.
- Http://www.st.com/resource/en/datasheet/stm32f746zg.pdf TFBGA-265, 17x17 raster, 14x14mm package.
- Size 15.2x11mm^2 drill 1.4mm pad.