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60305f7c-b08f-48d5-a3e4-4d4a9046f92f) Final revision; added custom DRC as project file tstamp a19ef654-a631-44b9-8b6b-999333495c1b) Final revision; added custom DRC as project file tstamp 42deceed-4793-4b11-91d8-f336ff75a562) Final revision; added custom DRC as project file c4e1c30b9b Add jlc constraints DRC; replace order number text Fireball/Fireball_panel.kicad_pcb | 3 | 1k | Resistor | | | C3 | 1 Hardware/Panel/precadsr-panel/fp-lib-table | 1 | 2_pin_Molex_header | 2 Smaller cap (476nF?) for C1 Ceramic 104s for C10, C14, might be fine, might introduce intermittents From c96644890cf0985bb0d02bb542ef75a0a00d53f2 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Add schematic, start on PCB Fireball/Fireball.kicad_sch | 4 Hardware/PCB/precadsr/precadsr.sch | 472 aoKicad | 1 | 4.7 uF | Unpolarized capacitor | | | | | | | | | | | J7 | 1 Fireball/Fireball.kicad_pcb | 2 | 1N5817 | Schottky diode | | | U2 | 1 | 10 uF tantalum\nMFOS 1, 1+15 electrolytic\n1 uF tanty looks better than EL\n(higher output, less leakage)\nbut only by a Contributor which are actually 2p6t, which means only six different step counts are available until the replacement arrives Wiring SW15 (once/stop) and cascade out is easier done via skywiring; only one tl074 and support 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.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 arduino nano clone (atmega 328p), 12-bit dac (mcp4726) and small amounts of supporting hardware Microcontroller and smoothed PWM https://kassu2000.blogspot.com/2019/10/quantizer.html using a setscrew). (ShaftLength must be.

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