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Mode, maybe both 7808 and hex inverter trigger are unnecessary? Alternative: Midi -> CV Alternative: CV from something else VCF MK's Diode Ladder VCF Kassutronic's KS-20 https://kassu2000.blogspot.com/2019/07/ks-20-filter.html ** uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on https://www.analog.com/media/en/technical-documentation/data-sheets/8063fa.pdf Altera BGA-36 V36 VBGA BGA-48 - pitch 0.8 mm Highspeed card edge connector for 2.4mm PCB's with 40 contacts (polarized Highspeed card edge connector for 1.6mm PCB's with 08 contacts (not polarized Highspeed card edge connector for 2.4mm PCB's with 30 contacts (not polarized Highspeed card edge connector for 1.6mm PCB's with 05 contacts (not polarized Highspeed card edge connector for PCB's with 60 contacts (polarized Highspeed card edge card connector socket for 1.57mm PCBs, vertical, alignment pins (source: https://suddendocs.samtec.com/prints/hsec8-1xxx-xx-xx-dv-x-xx-footprint.pdf 0.8 mm Highspeed card edge connector for PCB's with 08 contacts (not polarized Highspeed card edge connector for PCB's with 70 contacts (not polarized Highspeed card edge connector for 1.6mm PCB's with 70 contacts (polarized Highspeed card edge connector for IQRF TR-x2DA(T) modules, http://iqrf.org/weben/downloads.php?id=104 Bluetooth v4.2 + NFC module Modtronix Wireless SX1276 LoRa Module (http://modtronix.com/img/prod/imod/inair9/inair_dimensions.gif Modtronix LoRa inAir inAir9 SX1276 RF 915MHz 868MHz Wireless RAK811 LPWAN Module https://downloads.rakwireless.com/LoRa/RAK4200/Hardware-Specification/RAK4200_Module_Specifications_V1.4.pdf Class 2 Bluetooth Module with on-board Fireball/Fireball.kicad_pcb | 7889 Fireball/Fireball.kicad_sch | 6 .../Jack_6.35mm_PJ_629HAN.kicad_mod | 34 .../PCB/precadsr_Gerbers/precadsr-F_Mask.gbr | 4 .../Panel/precadsr-panel/precadsr-panel.pro | 30 .../precadsr_aux_Gerbers/precadsr-F_Mask.gbr | 185 .../precadsr_aux_Gerbers/precadsr-F_Paste.gbr | 4 | 100 nF | Unpolarized capacitor | | Tayda | A-159 | | 1 delete mode 100644 Hardware/PCB/precadsr/ao_tht.pretty/SolderWirePad_1x01_Drill0.8mm.kicad_mod delete mode 100644 Hardware/PCB/precadsr_aux_Gerbers/precadsr-PTH.drl create mode 100755 MK_VCO_RADIO_SHAEK_try1.diy create mode 100644 Hardware/Panel/precadsr-panel/precadsr-panel.pro.

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