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(featuring debouncing!), sequencer cascading, basic glide (for portamento), attack decay sustain release envelope generator synth module. Layout and panel are Kosmo format. * [Schematic](Docs/precadsr.pdf) * PCB layout: make power connection traces larger; MK uses a CA3080 OTA, an expensive and rare chip these days ($3/ea on amazon, maybe fakes) VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules Latest commits for file Schematics/SynthMages.pretty/PinSocket_1x02_P2.54mm_Vertical.kicad_mod Latest commits for file Schematics/SynthMages.pretty/eurorack_rail_hole.kicad_mod main precadsr/README.md 96 lines 34a82a463f Delete '3D Printing/Panels/SPIDER CLIMB.png' 3D Printing/Panels/AD&D 1e spell names in Filmoscope Quentin/UNSEEN SERVANT.png differ Latest commits for file Images/precadsr-panel-holes.png 972d8b1e07 adds front panel design and includes 2.5mm centerward shift for input and send reset to clk_inh to stop progressing cc6dd0b3d5 Checkpoint before trying to add picture 5082711a98 Add a front-panel PCB Subject: [PATCH 03/18] tweaks layout with input from sam Latest commits for file Schematics/schematic_bugs_v1.md Update Schematics/schematic_bugs_v1.md more fixes PSU/Synth Mages Power Word Stun Panel.kicad_prl | 77 Synth Mages Power Word Stun-backups History 269f3bf9f9 power word stun initial commit by main MK_VCO/Fireball/Fireball.kicad_prl 78 lines From b92fcb7c680efef9f394f5f872d087549294e6cf Mon Sep 17 00:00:00 2001 Subject: [PATCH 01/18] Added hard sync to schematic, laid out PCB with on-board antenna Bluetooth Dual-mode module with integral chip antenna (http://ww1.microchip.com/downloads/en/DeviceDoc/60001380C.pdf Cypress EZ-BLE PRoC Module (Bluetooth Smart) 21 Pin Module Digi XBee SMT RF ESP WROOM-02 espressif esp8266ex 2.4 GHz Wi-Fi and Bluetooth module ESP32-D0WD Espressif ESP32-WROOM-32E 2.4 GHz Wi-Fi and Bluetooth combo chip with U.FL connector, https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_en.pdf D52M ANT SoC Module https://www.thisisant.com/assets/resources/D00001687_D52_Module_Datasheet.v.2.3_(Garmin).pdf RF SoC Radio ANT Bluetooth BLE D52 nRF52 Garmin Canada Dynastream Nordic Low Power Long Range Transceiver Module rf module lora lorawan Multiprotocol radio SoC module https://www.raytac.com/download/index.php?index_id=43 wireless 2.4 GHz Wi-Fi and Bluetooth combo chip, external antenna, https://www.espressif.com/sites/default/files/documentation/esp32-s3-mini-1_mini-1u_datasheet_en.pdf 2.4 GHz Wi-Fi and Bluetooth module, https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_en.pdf 2.4 GHz Wi-Fi and Bluetooth module, https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32e_esp32-wroom-32ue_datasheet_en.pdf NINA-B111 LGA module 42 Pin https://content.u-blox.com/sites/default/files/NINA-B1_DataSheet_UBX-15019243.pdf#page=30 NINA ublox u-blox b111 bluetooth nrf52840 module Omron Relay, SPDT, https://omronfs.omron.com/en_US/ecb/products/pdf/en-g2rl.pdf Omron G5V-2 Relay DPDT Finder 96.12 56.32 package for Everlight ITR8307/F43, see https://everlighteurope.com/index.php?controller=attachment&id_attachment=5385 package for Everlight ITR8307 with PCB locator, 12 Pins per row (http://www.molex.com/pdm_docs/sd/1053101208_sd.pdf), generated with kicad-footprint-generator Molex Molex 0.30mm Pitch Easy-On BackFlip Type FFC/FPC, 502250-4191, 41 Circuits (http://www.jae.com/z-en/pdf_download_exec.cfm?param=SJ108178.pdf), generated with kicad-footprint-generator Molex Molex 1.00mm Pitch Easy-On BackFlip, Right-Angle, Bottom Contact FFC/FPC, 200528-0180, 18 Circuits (http://www.jae.com/z-en/pdf_download_exec.cfm?param=SJ103130.pdf), generated with kicad-footprint-generator JST ZE series connector, S8B-EH (http://www.jst-mfg.com/product/pdf/eng/eEH.pdf), generated with kicad-footprint-generator JST XA series connector, DF3EA-15P-2H (https://www.hirose.com/product/document?clcode=CL0543-0332-0-51&productname=DF3EA-5P-2H(51)&series=DF3&documenttype=2DDrawing&lang=en&documentid=0001163317), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT.

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