synth_tools

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7.071146e-001 facet normal -0.416179 -0.778618 0.469626 facet normal 0.956941 -0.290283 -5.32302e-07 facet normal 7.012965e-01 6.273328e-03 7.128421e-01 facet normal 0.796851 -0.241732 0.553709 vertex -9.00415 -3.72964 3.26879 vertex 8.74802 -3.62355 3.54602 vertex 5.4146 8.10352 3.26879 facet normal -1.950737e-01 -9.807885e-01 -3.523201e-04 vertex -9.617936e+01 9.181029e+01 1.055000e+01 facet normal -4.552437e-01 8.903669e-01 9.217512e-05 vertex -1.008355e+02 1.052120e+02 4.255000e+01 facet normal -0.5865 0.714682 0.381114 facet normal -9.715453e-001 2.368537e-001 0.000000e+000 vertex -5.169086e+000 2.233433e+000 2.496000e+001 vertex 1.828861e+000 5.328399e+000 2.496000e+001 vertex -2.639444e+000 4.519168e+000 2.495526e+001 facet normal 1.505852e-01 2.986818e-03 9.885925e-01 facet normal 0.828666 -0.0817378 0.553744 facet normal -0.290287 0.95694 5.63314e-06 facet normal 2.647867e-001 -9.643070e-001 0.000000e+000 vertex -3.465548e+000 6.113461e+000 2.496000e+001 vertex -5.513827e+000 1.169443e+000 2.496000e+001 vertex 2.723071e+000 -6.583945e+000 2.496000e+001 vertex -3.396157e+000 -4.550773e+000 1.747200e+001 facet normal -0.94716 0.0961108 0.306023 vertex 0.201366 -6.35535 7.51116 vertex 0 7.49999 6.0001 vertex 1.46317 7.35588 6.0001 vertex 0 -2.9 19 - Could add a global/master pitch control/modulation function with a 7-segment display with a work based on ** https://www.instructables.com/Another-MIDI-to-CV-Box-/ yet another fairly simple one, using Arduino (nano or uno) + MCP4725 (DAC). ** https://hkadesign.org.uk/monotronkb.html for 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 http://www.latticesemi.com/view_document?document_id=213 Lattice caBGA-756, ECP5 FPGAs, 27.0x27.0mm, 756 Ball, 32x32 Layout, 0.8mm Pitch, https://www.st.com/resource/en/datasheet/stm32mp151a.pdf ST TFBGA-225, 13.0x13.0mm, 225 Ball, 15x15 Layout, 0.8mm Pitch, https://www.micron.com/-/media/client/global/documents/products/data-sheet/dram/ddr3/4gb_ddr3l.pdf#page=25 FBGA-78, 10.5x9.0mm, 78 Ball, 9x13 Layout, 0.8mm Pitch, https://www.st.com/resource/en/datasheet/stm32mp151a.pdf ST TFBGA-225, 13.0x13.0mm.

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