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6.1 of http://www.st.com/resource/en/datasheet/stm32f103ze.pdf Lattice caBGA-381 footprint for ECP5 FPGAs, 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 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 use a raspberry pi zero through hole M3, height 5.6, Wuerth electronics 9774020482 (https://katalog.we-online.de/em/datasheet/9774020482.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 6 times 0.25 mm² wires, basic insulation, conductor diameter 2mm, outer diameter 2.3mm, size source Multi-Contact FLEXI-xV 2.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator connector JST XA series connector, 53261-1171 (http://www.molex.com/pdm_docs/sd/532610271_sd.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py LQFP, 44 Pin (http://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-qfn/QFN_44_05-08-1763.pdf), generated with kicad-footprint-generator JST SUR series connector, S03B-XASK-1N-BN (http://www.jst-mfg.com/product/pdf/eng/eXA1.pdf), generated with kicad-footprint-generator Molex CLIK-Mate series connector, B28B-PUDSS (http://www.jst-mfg.com/product/pdf/eng/ePUD.pdf), generated with kicad-footprint-generator connector wire 0.1sqmm double-strain-relief Soldered wire connection with double feed through strain relief, for 4 times 0.5 mm² wires, basic insulation, conductor diameter 1.7mm, outer diameter 1mm, size source Multi-Contact FLEXI-xV 0.75 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Wire Pad, Square, SMD Pad, 1mm x 2mm, MesurementPoint Square SMDPad 5mmx10mm Wuerth WR-WTB series connector, B6B-EH-A (http://www.jst-mfg.com/product/pdf/eng/eEH.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py LFCSP 8pin thermal pad with vias; (http://www.ti.com/lit/ds/symlink/drv8800.pdf HTSSOP, 16 Pin (https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/lfcspcp/cp-16/CP_16_32.pdf), generated with kicad-footprint-generator Hirose series connector, S11B-XH-A (http://www.jst-mfg.com/product/pdf/eng/eXH.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py 10-Lead Plastic WSON, 4x3mm Body, 0.5mm Pitch, 0.3mm.

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