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BackEssentially a 4-stage RC network but with an eye towards doing it all in one module with lots of analog drum voices; based heavily on Moritz Klein's work, but with an eye towards doing it all in one module with lots of analog drum voices; based heavily on Moritz Klein's work, but with buffering between (some) stages. Needs a TLC7524/AD7524 (a simple DAC that's still sorta analog) and a S&H would be nice. Lots of options become available. Everything by Hagiwo (quantizer, filters, noisemakers, etc) MIDI-to-CV, either over USB or directly over 5-pin DIN (with optoisolator Deleting the wiki page "Samba Reggae 2" cannot be undone. Continue? Schematics/Unseen Servant/Unseen Servant.kicad_prl | 2 Examples/EG_MANUAL.pdf | Bin 0 -> 136810 bytes Images/captest.png | Bin 0 -> 5309 bytes Creative Commons Attribution 3.0 Unported License. Based on designs from: Skull & Circuits (https://www.skullandcircuits.com/vca-1-2/ Moritz Klein (https://www.ericasynths.lv/shop/diy-kits-1/edu-diy-vca/) Features: If we expect or plan on developing modules which use the 4 pins (http://www.qingpu-electronics.com/en/products/WQP-PJ320D-72.html 3.5mm jack mic microphone phones headphones 4pins audio plug Headphones with microphone connector, 3.5mm, 4 pins RGB RGBLED LED, Round, FlatTop, Rectangular size 5.0x2.0mm^2 z-position of LED center 3.0mm 2 pins Rectangular size 5.0x2.0mm^2 z-position of LED center 4.9mm 2 pins LED_Rectangular, Rectangular, Rectangular size 5.0x2.0mm^2 2 pins LED_Rectangular, Rectangular, Rectangular size 5.0x2.0mm^2 3 pins Ceramic Resomator/Filter 7.0x2.5mm^2, length*width=7.0x2.5mm^2 package, package length=6.0mm, package width=3.0mm, 3 pins Ceramic Resomator/Filter Murata SFECV, http://cdn-reichelt.de/documents/datenblatt/B400/SFECV-107.pdf, hand-soldering, 4.5x2.0mm^2 package SMD Crystal SERIES SMD3225/4 http://www.txccrystal.com/images/pdf/7m-accuracy.pdf, hand-soldering, 3.2x2.5mm^2 package crystal Epson Toyocom FA-238 https://support.epson.biz/td/api/doc_check.php?dl=brief_fa-238v_en.pdf, 3.2x2.5mm^2 package crystal Epson Toyocom TSX-3225 series https://support.epson.biz/td/api/doc_check.php?dl=brief_fa-238v_en.pdf, hand-soldering, 3.2x2.5mm^2 package SMD Resomator/Filter Murata SFSKA, http://cdn-reichelt.de/documents/datenblatt/B400/SFECV-107.pdf, hand-soldering, 4.5x2.0mm^2 package SMD Crystal MicroCrystal CC1V-T1A series https://www.microcrystal.com/fileadmin/Media/Products/32kHz/Datasheet/CC1V-T1A.pdf, hand-soldering, 8.0x3.7mm^2 package SMD Crystal Oscillator Seiko Epson MC-505 http://media.digikey.com/pdf/Data%20Sheets/Epson%20PDFs/MA-505,506.pdf, 12.7x5.1mm^2 package SMD Resomator/Filter Murata TPSKA, http://cdn-reichelt.de/documents/datenblatt/B400/SFECV-107.pdf, 7.9x3.8mm^2 package Diode MicroSMP (DO-219AD), large-pad cathode, https://www.vishay.com/docs/89020/mss1p3l.pdf Diode MicroSMP (DO-219AD), large-pad cathode, https://www.vishay.com/docs/89020/mss1p3l.pdf Diode MicroSMP (DO-219AD), large-pad cathode, https://www.vishay.com/docs/89020/mss1p3l.pdf Diode MicroSMP (DO-219AD), large-pad anode, https://www.vishay.com/docs/89457/msmp6a.pdf Infineon SG-WLL-2-3, 0.58x0.28x0.15mm, https://www.infineon.com/dgdl/Infineon-SG-WLL-2-3_SPO_PDF-Package-v02_00-EN.pdf?fileId=5546d46271bf4f9201723159ce71239d SOD962-2 silicon, leadless ultra small package; 2 terminals; 0.4 mm pitch; 0.6 mm x 0.3 mm x 0.3 mm x 20 mm fuse holders; Vertical w/ Stability Pins; 250V; 6.3-16A (http://www.cooperindustries.com/content/dam/public/bussmann/Electronics/Resources/product-datasheets/Bus_Elx_DS_2118_HB_PCB_Series.pdf 5 mm | | | 1 README.md | 5 create mode 100644 Hardware/PCB/precadsr/ao_tht.pretty/Molex_KK-254_AE-6410-08A_1x08_P2.54mm_Vertical.kicad_mod create mode 100644 Hardware/PCB/precadsr/ao_tht.pretty/DIP-6_W7.62mm_Socket_LongPads.kicad_mod delete mode 100644 Schematics/MK_Schematic.png rename MK_VCO_RADIO_SHAEK.diy => Schematics/MK_VCO_RADIO_SHAEK.diy (100% rename from 3D Printing/6u_wing_v1.scad → 3D Printing/Cases/6u_wing_v1.scad 3D Printing/Rails/18hp_innie.stl create mode 100644 Hardware/PCB/precadsr/potsetc.sch create.
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