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Arduino (nano or uno) + MCP4725 (DAC). ** https://hkadesign.org.uk/monotronkb.html for yet another version Alternative: CV from something else VCF MK's Diode Ladder VCF Kassutronic's KS-20 VCA MK's VCA Everything by Hagiwo (quantizer, filters, noisemakers, etc) MIDI-to-CV, either over USB or directly over 5-pin DIN (with optoisolator) What we build next? Pretty confident we do these things. To protect your rights, we need a noise generator, but contains one? See above MK's three-color noise generator from https://www.youtube.com/watch?v=0yB_h_wFkh4 (PDF not yet included in repo Futura Heavy BT.ttf differ Binary files /dev/null and b/Schematics/bad_trace_v1.jpeg differ Panels/luther_triangle_vco_quentin_v4.scad Normal file Unescape Hardware/Panel/precadsr-panel-Gerbers/precadsr-panel-EdgeCuts.gm1 Normal file View File main precadsr/.gitignore 58 lines # Precision ADSR build notes | C7, C12 | 2 .../Unseen Servant/Unseen Servant.kicad_prl | 2 .../Unseen Servant/Unseen Servant.kicad_pcb | 4 | | R8, R10, R12 | 3 pin connector, https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Customer+Drawing%7F215079%7FY1%7Fpdf%7FEnglish%7FENG_CD_215079_Y1.pdf%7F215079-4 connector TE-Connectivity Micro-MaTch Vertical 1-215079-0 8-215079-10 TE-Connectivity Micro-MaTch female-on-board top-entry thru-hole 18 pin connector, https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Customer+Drawing%7F215079%7FY1%7Fpdf%7FEnglish%7FENG_CD_215079_Y1.pdf%7F215079-4 connector TE-Connectivity Micro-MaTch female-on-board top-entry thru-hole 4 pin straight chassis connector Dual front isolated BNC plug (https://www.amphenolrf.com/downloads/dl/file/id/2980/product/644/031_6575_customer_drawing.pdf Dual BNC Amphenol Horizontal Panel-mountable BNC connector mounted through PCB, vertical BNC RF Interface, PCB mount (https://www.amphenolltw.com/2012download/2D%20PDF/03_M%20Series%20Sensor%20Connectors/M8S-XXPMMR-SF8001.pdf 3.5 mm, Stereo, Right Angle, Surface Mount LED Lamp (http://www.kingbrightusa.com/images/catalog/SPEC/AAA3528ESGCT.pdf LED RGB, APFA3010, http://www.kingbrightusa.com/images/catalog/SPEC/APFA3010LSEEZGKQBKC.pdf LED RGB NeoPixel Nano LED RGB Wurth PLCC-4 3528 ASMB-MTB0-0A3A2 2.0mm x 2.0mm PLCC4 LED, https://www.we-online.de/katalog/datasheet/150141M173100.pdf LED RGB APFA3010 KINGBRIGHT 3x1.5mm Dual LED SMD 1206 (3216 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: http://www.tortai-tech.com/upload/download/2011102023233369053.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 16 Pin (https://pdfserv.maximintegrated.com/package_dwgs/21-0140.PDF (T3255-3)), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 16 Pin (https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/lfcspcp/cp-16/cp-16-40.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py MSOP, 12 Pin (http://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-qfn/QFN_12_%2005-08-1855.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-134-02-xxx-DV-BE-A, 34 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), generated with kicad-footprint-generator Molex PicoBlade series connector, S3P-VH (http://www.jst-mfg.com/product/pdf/eng/eVH.pdf), generated with kicad-footprint-generator Molex KK-254 Interconnect System, old/engineering part number: A-41791-0011.

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