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+ MCP4725 (DAC). ** https://hkadesign.org.uk/monotronkb.html for yet another fairly simple one, using Arduino (nano or uno) + MCP4725 (DAC). ** https://hkadesign.org.uk/monotronkb.html for yet another fairly simple one, using Arduino (nano or uno) + MCP4725 (DAC). ** https://hkadesign.org.uk/monotronkb.html for 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 LFBGA-448, 18.0x18.0mm, 448 Ball, 22x22 Layout, 0.8mm Pitch, https://www.st.com/resource/en/datasheet/stm32mp151a.pdf ST LFBGA-448, 18.0x18.0mm, 448 Ball, 22x22 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.ti.com/lit/ml/mpbg777/mpbg777.pdf BGA 289 0.8 ZAV S-PBGA-N289 Texas Instruments, DSBGA, area grid, NSMD pad definition (http://www.ti.com/lit/ds/symlink/txb0102.pdf, http://www.ti.com/lit/an/snva009ag/snva009ag.pdf Texas Instruments EUS 5 Pin (https://www.jedec.org/sites/default/files/docs/Mo-178c.PDF variant BA), generated with kicad-footprint-generator Molex PicoBlade series connector, 505405-0770 (http://www.molex.com/pdm_docs/sd/5054050270_sd.pdf), generated with kicad-footprint-generator Connector Phoenix Contact connector footprint for: MCV_1,5/15-GF-3.5; number of pins: 16; pin pitch: 5.00mm; Vertical; threaded flange || order number: 1843732 8A 160V Generic Phoenix Contact connector footprint for: MCV_1,5/6-G-3.5; number of pins: 12; pin pitch: 3.81mm; Angled; threaded flange; footprint includes mount hole for mounting screw: ISO 1481-ST 2.2x4.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1755587 12A || order number: 1830664 8A 160V Generic Phoenix Contact connector footprint for: MC_1,5/13-GF-3.5; number of pins: 02; pin pitch: 5.00mm; Vertical; threaded flange || order number: 1923856 16A (HC Generic Phoenix Contact connector footprint for: MSTBV_2,5/12-GF-5,08; number of pins: 15; pin pitch: 5.08mm; Vertical; threaded flange; footprint includes mount hole for mounting screw: ISO 1481-ST 2.2x4.5 C or ISO 7049-ST 2.2x6.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1757493 12A || order number: 1843279 8A 160V Generic Phoenix Contact connector footprint for: MSTB_2,5/9-GF; number of pins: 13; pin pitch: 5.08mm; Angled; threaded flange; footprint includes mount hole for mounting screw: ISO 1481-ST 2.2x6.5 C or ISO 7049-ST 2.2x6.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1847712 8A 320V Generic Phoenix Contact SPT 1.5/3-H-3.5 Terminal Block, 1990805 (https://www.phoenixcontact.com/online/portal/gb/?uri=pxc-oc-itemdetail:pid=1990805), generated with kicad-footprint-generator ipc_gullwing_generator.py TSSOP, 64 Pin (https://www.analog.com/media/en/technical-documentation/data-sheets/adv7611.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-116-02-xxx-DV-BE-LC, 16 Pins per row, Mounting: Snap-in Plastic Peg PCB Lock (http://www.molex.com/pdm_docs/sd/039289068_sd.pdf), generated with kicad-footprint-generator connector Hirose DF13C SMD, CL535-0410-4-51, 10 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator Samtec.

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