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Circuit outside the full dev board (in some cases) Arduino + DAC https://www.youtube.com/watch?v=t3kUPjdiq0o for explainer https://drive.google.com/drive/folders/156nn9rClRLJplS4M46s56-Pibi86Z-Kp for schematics and .ino file 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 BGA 0.8mm 9mm 121 BGA-132 11x17 12x18mm 1.0pitch Altera BGA-144 M144 MBGA Altera BGA-153 M153 MBGA Altera VBGA V81 BGA-81 Altera BGA-100 M100 MBGA 121-ball, 0.8mm BGA (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.micron.com/-/media/client/global/documents/products/data-sheet/dram/ddr3/4gb_ddr3l.pdf#page=28 FBGA-96, 14.0x9.0mm, 96 Ball, 9x16 Layout, 0.8mm Pitch, https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-bga/05081600_0_bga49.pdf https://www.analog.com/media/en/technical-documentation/product-information/assembly-considerations-for-umodule-bga-lga-package.pdf BGA 324 0.8 CS325 CSG235 Spartan-7 BGA, 15x15 grid, 13x13mm package, pitch 0.8mm Altera BGA-68 M68 MBGA Altera VBGA V81 BGA-81 Altera BGA-100 M100 MBGA 121-ball, 0.8mm BGA (based on standard DIP-4), row spacing 7.62 mm (300 mils 5-lead though-hole mounted DIP package, row spacing 7.62 mm (300 mils), body size (see https://www.omron.com/ecb/products/pdf/en-a6h.pdf SMD 10x-dip-switch SPST KingTek_DSHP10TS, Slide, row spacing 9.53 mm (375 mils 22-lead surface-mounted (SMD) DIP package, row spacing 8.89 mm (350 mils), SMDSocket, LongPads 64-lead though-hole mounted DIP package, row spacing 5.08 mm (200 mils), body size 9.78x22.5mm (see e.g. Https://www.ctscorp.com/wp-content/uploads/209-210.pdf), LowProfile 3x-dip-switch SPST , Slide, row spacing 15.24 mm (600 mils 64-lead surface-mounted (SMD) DIP package, row spacing 15.24 mm (600 mils), Socket, LongPads 14-lead though-hole mounted DIP package, row spacing 8.89 mm (350 mils), SMDSocket, SmallPads 5-lead though-hole mounted DIP package, row spacing 6.73 mm (264 mils), body size 9.78x19.96mm (see e.g. Https://www.ctscorp.com/wp-content/uploads/219.pdf), SMD, LowProfile, JPin SMD 7x-dip-switch SPST , Slide, row spacing 5.25 mm (206 mils), body size (see http://www.nidec-copal-electronics.com/e/catalog/switch/chs.pdf), SMD, JPin SMD 1x-dip-switch SPST Copal_CHS-01B, Slide, row spacing 7.62 mm (300 mils Analog BGA-28 4.0mm x 6.25mm package, pitch 0.4mm; see section 7.1 of http://www.st.com/resource/en/datasheet/DM00282249.pdf WLCSP-90, 10x9 raster, 4.223x3.969mm package, pitch 0.4mm; see section 7.4 of http://www.st.com/resource/en/datasheet/stm32f302vc.pdf WLCSP-100, 10x10 raster, 4.201x4.663mm package, pitch 0.6mm; http://ww1.microchip.com/downloads/en/DeviceDoc/39969b.pdf Zynq-7000 BGA, 26x26 grid, 27x27mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=294, https://www.xilinx.com/support/documentation/user_guides/ug865-Zynq-7000-Pkg-Pinout.pdf#page=90, NSMD pad definition Appendix A BGA 484 0.8 RS484 Artix-7 BGA, 19x19 grid, 10x10mm package, pitch 0.65mm; see section 10.3 of https://www.parallax.com/sites/default/files/downloads/P8X32A-Propeller-Datasheet-v1.4.0_0.pdf 44-Lead Plastic Shrink Small Outline (ST)-4.4 mm Body [DFN] (http://www.onsemi.com/pub/Collateral/NCP4308-D.PDF DD Package; 12-Lead Plastic DFN (4mm x 4mm); Pitch 0.5mm; EP 2.7x2.6mm; for InvenSense motion sensors; Mask removed below exposed pad; keepout area marked (Package see: https://store.invensense.com/datasheets/invensense/MPU9250REV1.0.pdf; See also https://www.invensense.com/wp-content/uploads/2015/02/InvenSense-MEMS-Handling.pdf 24-Lead.

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