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Module, 19.9x23.6x2.65mm, https://www.quectel.com/UploadImage/Downlad/M95_Hardware_Design_V1.3.pdf Quad-Band GSM/GPRS module, 17.6x15.7x2.3mm, http://simcom.ee/documents/SIM800C/SIM800C_Hardware_Design_V1.05.pdf Quad-Band GSM/GPRS module, 17.6x15.7x2.3mm, http://simcom.ee/documents/SIM800C/SIM800C_Hardware_Design_V1.05.pdf Quad-Band GSM/GPRS module, 24x24x3mm, http://simcom.ee/documents/SIM900/SIM900_Hardware%20Design_V2.05.pdf Telit xL865 familly footprint, http://www.telit.com/fileadmin/user_upload/products/Downloads/3G/Telit_UL865_Hardware_User_Guide_r8.pdf ublox Sara GSM/HSPA modem, https://www.u-blox.com/sites/default/files/SARA-G3-U2_SysIntegrManual_%28UBX-13000995%29.pdf, pag.162 ublox SARA-G3 SARA-U2 GSM HSPA Footprint for Mini-Circuits case CD542 (https://ww2.minicircuits.com/case_style/CD542.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 wireless zigbee 802.15.4 flash crypto ATSAMR21G18 AT45DB041E TECC508A U.Fi Class 4 Bluetooth Module with on-board components Added hard sync (to a clock/gate/trigger input) Quantizer Interfaces to digital components and interconnects between middle and bottom boards. Latest commits for file Panels/luther_triangle_vco_quentin_v3_blank.stl.stl From c0609f318f74561633baf15cb208f5082883c231 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Finish PCBs Checkpoint after tweaking footprints some more, starting over at 14hp Added hard sync to schematic, laid out PCB with exploratory 8hp layout Schematics/Enlarge/Enlarge.kicad_prl | 10 uF | Unpolarized capacitor | | R6, R8 | 2 .../OttosIrresistableDance.kicad_sch | 5 create mode 100644 Hardware/PCB/precadsr_aux_Gerbers/precadsr-PTH.drl create mode 100644 Hardware/Panel/precadsr_panel_al/precadsr_panel_al.pretty/precadsr-panel-art.kicad_mod delete mode 100644 Hardware/Panel/precadsr_panel_al/precadsr_panel_al.pretty/precadsr-panel-art.kicad_mod delete mode 100644 Schematics/SynthMages.pretty/SLIDE_POT_0547.kicad_mod create mode 100644 3D Printing/Panels/HOLD PORTAL.png and /dev/null differ main synth_tools/Schematics/SynthMages.pretty/PinSocket_1x02_P2.54mm_Vertical.kicad_mod 42 lines synth_tools/PCB Notes.txt 17 lines Notes from debugging Notes from MK's PCB livestream Footprints: - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals 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 your choice of sitching hardware). Consider aesthetics and prcticality of stand-offs from front panel. Opportunities abound for aesthetic choices. - Determine appropriate stand-off hardware for connecting front panel to integer pseudo-origin, remove testing text, decrease title label font size to 9mm and align it.

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