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BackThem as separate sheet ## Photos [to be added] ## 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 - rotary - 11.5mm, +3.5mm -- biggest by far, maybe 12.6mm? Alpha pots: tight, only 1/2 turn for nut 11mm - rotary, SR2511 style, with very large range of in-tune response, but comments discuss potential fixes, maybe worth it for a little bit of margin $fn=FN; title_font = 10; knob_radius_bottom = 10; label_font = 6; //knob_radius saw_out = [output_column, bottom_row, 0]; c_tune = [width_mm/2 + h_margin, top_row, 0]; f_tune = [second_col, third_row, 0]; fm_lvl = [h_margin+working_width/8, row_4, 0]; pwm_cv_lvl = [second_col, fourth_row, 0]; pwm_in = [input_column + h_margin/2, bottom_row, 0]; pwm_duty = [input_column, bottom_row, 0]; pwm_duty = [width_mm - h_margin - working_width/8, row_2, 0]; audio_in_2 = [left_col, row_2, 0]; fm_lvl = [second_col, third_row, 0]; fm_in = [first_col, first_row, 0]; c_tune = [width_mm/2 .
- -1.000000e+00 -6.144738e-07 facet normal -0.392071 -0.262789.
- XHP70 LED, 12V version, http://www.cree.com/~/media/Files/Cree/LED%20Components%20and%20Modules/XLamp/Data%20and%20Binning/ds%20XHP70.pdf Cree XHP70.
- -4.58534 4.28788 7.81694 facet normal.
- 6.247023e-001 facet normal -0.257261.
- SMD, CL535-0406-3-51, 6 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf.