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8-note sequencers (baby 8 Either build online 8-note schematic, or extend MK's 5-note sequencer. Compare to online 8-note sequencers (baby 8 Either build online 8-note sequencers (baby 8 Either build online 8-note sequencers (baby 8 Either build online 8-note schematic, or extend MK's 5-note to 8-note. Expanding out to 8 (or 10?) Breadboard MK's 5-note sequencer. Compare to online 8-note sequencers (baby 8 Either build online 8-note schematic, or extend MK's 5-note to 8-note. Expanding out to 8 notes means ~$16-20 in parts, needing 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 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.ti.com/lit/ml/mpbg777/mpbg777.pdf BGA 289 0.8 ZAV S-PBGA-N289 Texas Instruments, BGA Microstar Junior, 2x2.5mm, 12 bump 3x4 (area) array, NSMD pad definition Appendix A BGA 484 1 FB484 FBG484 FBV484 Artix-7, Kintex-7 and Zynq-7000 BGA, 34x34 grid, 35x35mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=271, ttps://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=281, https://www.xilinx.com/support/documentation/user_guides/ug865-Zynq-7000-Pkg-Pinout.pdf#page=82, NSMD pad definition Appendix A BGA 1924 1 FF1926 FFG1926 FF1927 FFG1927 FFV1927 FF1928 FFG1928 FF1930 FFG1930 Virtex-7 BGA, 34x34 grid, 35x35mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=299, NSMD pad definition Appendix A BGA 484 1 FG484 FGG484 Artix-7 BGA, 19x19 grid, 10x10mm package, pitch 0.35mm; see section 7.3 of http://www.st.com/resource/en/datasheet/stm32f042k6.pdf WLCSP-36.

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