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Back[to be added] ## Documentation: ### Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf * [How to use](Docs/use.md 96f746fa2d Final tweaks, version submitted to JLCPCB on 20240124 3d279dd88c Finish schematic, add PDF' (#2) from schematic into main v1 Final tweaks, version submitted to JLCPCB on 20240124 Experimenting with more panel layout ideas working_height = height - v_margin - title_font; saw_out = [output_column, row_2, 0]; pwm_in = [first_col, fourth_row, 0]; triangle_out = [output_column, row_1, 0]; square_out = [third_col, fifth_row, 0]; pwm_duty = [input_column, bottom_row, 0]; c_tune = [width_mm/2, top_row, 0]; left_rib_x = thickness * 1; //right_rib_x = width_mm - h_margin; col_left = h_margin; bottom_row = v_margin + 12; row_2 = row_1 + v_margin + 12; row_2 = row_1 + vertical_space/7; cv_in_1a = [left_col, row_7, 0]; cv_in_1b = [right_col, row_5, 0]; audio_out_1 = [right_col, row_5, 0]; cv_in_2a = [left_col, row_5, 0]; audio_out_1 = [right_col, row_2, 0]; pwm_in = [input_column - h_margin/2, bottom_row, 0]; c_tune = [width_mm/2 + h_margin, top_row, 0]; f_tune = [width_mm/2 - h_margin, top_row, 0]; left_rib_x = hole_dist_side + thickness; v_margin = hole_dist_top*2; Potentiometers: - One potentiometer per step, to set output voltages. (10) One potentiometer for internal clock rate. One SPDT switch to disable reset (run once). - Momentary-normal-off pushbutton to manually reset. LEDs: One per step, to set output voltages. (10) One potentiometer per step, to enable/disable gate per step. (10 Momentary-normal-off pushbutton to manually reset. LEDs.
- Http://simcom.ee/documents/SIM800C/SIM800C_Hardware_Design_V1.05.pdf Quad-Band GSM/GPRS module.
- Extent possible, whether at the.
- 11 bottom-side contacts, 1.0mm pitch, 1.0mm height, SMT.