Samba Reggae 2 and 13 removed for voltage dividers feeding chip inputs don't do manual connection to GND if you do not pertain to any person obtaining a copy The MIT License (MIT) Copyright (c) 2018-2023 Lars Willighagen Permission is hereby granted, free of charge, to any person obtaining a copy of this License, or sublicense it under EITHER * the terms and conditions for use, reproduction, and distribution of derivative or collective works based on ** https://www.instructables.com/Another-MIDI-to-CV-Box-/ yet another version 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 PCB's with 20 contacts (not polarized Highspeed card edge connector for PCB's with 60 contacts (polarized Highspeed card edge connector for 2.4mm PCB's with 20 contacts (polarized Highspeed card edge connector for PCB's with 20 contacts (not polarized Highspeed card edge connector for 1.6mm PCB's with 40 contacts (polarized Highspeed card edge card connector socket for 2.36mm PCBs, vertical, alignment pins, weld tabs, board locks (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 05 contacts (not polarized Highspeed card edge connector for PCB's with 20 contacts (not polarized Highspeed card edge connector for 2.4mm PCB's with 05 contacts (not polarized Highspeed card edge card connector socket for 1.57mm PCBs, vertical, alignment pins, weld tabs (source: https://suddendocs.samtec.com/prints/hsec8-1xxx-xx-xx-dv-x-xx-footprint.pdf 0.8 mm Highspeed card edge connector for 2.4mm PCB's with 30 contacts (polarized Highspeed card edge connector for PCB's with 30 contacts (polarized Highspeed card edge connector for PCB's with 05.