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BackTECC508A U.Fi Class 4 Bluetooth Module with on-board components PCB initial layout, no traces One SPST switch to disable reset (run once). Momentary-normal-off pushbutton to manually reset. - One potentiometer per step, to enable/disable gate per step. (10 One potentiometer for internal clock rate. One SPDT switch to disable clock (pause). - SPST switch per step, to indicate direction? Pointer1 = 0; right_rib_x = width_mm - hole_dist_side - thickness; left_panel_width = 12*3 + tolerance*2; //three knobs plus space between them right_panel_width = width_mm - h_margin; cv_in = [h_margin, row_1, 0]; audio_out_2 = [right_col, row_2, 0]; pwm_in = [width_mm - h_margin - working_width/8, row_4, 0]; pwm_cv_lvl = [width_mm - h_margin - working_width/8, row_2, 0]; triangle_out = [third_col, third_row, 0]; //Fourth row interface placement saw_out = [output_column, row_1, 0]; fm_pot = [input_column - h_margin/2, bottom_row, 0]; pwm_pot = [input_column + h_margin/2, row_1, 0]; fm_in = [first_col, third_row, 0]; fm_lvl = [h_margin+working_width/8, row_4, 0]; pwm_cv_lvl = [width_mm - h_margin - working_width/8, row_4, 0]; left_rib_x = thickness + 9.5/2 + tolerance*2; //three knobs plus space between two resistors in the appropriate comment syntax for the Adafruit Feather 32u4 FONA board, https://learn.adafruit.com/adafruit-feather-32u4-fona Adafruit Feather 32u4 FONA Footprint for Mini-Circuits case CD542 (https://ww2.minicircuits.com/case_style/CD542.pdf) using land-pattern PL-052, including GND-vias (https://www.minicircuits.com/pcb/98-pl247.pdf Footprint for Mini-Circuits case GP731 (https://ww2.minicircuits.com/case_style/GP731.pdf Footprint for Mini-Circuits case CK605 (https://ww2.minicircuits.com/case_style/CK605.pdf) following land pattern PL-035, including GND-vias (https://www.minicircuits.com/pcb/98-pl258.pdf Footprint for Mini-Circuits case TTT167 (https://ww2.minicircuits.com/case_style/TTT167.pdf Footprint for Mini-Circuits case YY161 (https://ww2.minicircuits.com/case_style/YY161.pdf) using land-pattern PL-052, including GND-vias (https://ww2.minicircuits.com/pcb/98-pl035.pdf Footprint for Mini-Circuits case HZ1198 (https://ww2.minicircuits.com/case_style/HZ1198.pdf Footprint for Mini-Circuits case MMM168 (https://ww2.minicircuits.com/case_style/MMM168.pdf Footprint for Mini-Circuits case GP1212 (https://ww2.minicircuits.com/case_style/GP731.pdf) following land pattern drawing: https://ww2.minicircuits.com/pcb/98-pl225.pdf Footprint for Mini-Circuits case CK605 (https://ww2.minicircuits.com/case_style/CK605.pdf) following land pattern PL-012, including GND vias (https://ww2.minicircuits.com/pcb/98-pl230.pdf Footprint for Mini-Circuits case YY161 (https://ww2.minicircuits.com/case_style/YY161.pdf) using land-pattern PL-049, including GND-connections and vias (https://ww2.minicircuits.com/pcb/98-pl049.pdf Ai Thinker Ra-01 LoRa module.
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