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For assembly. As usual do the lowest components first — resistors and diodes — then sockets, ceramic capacitors, power header, transistors, film caps, electrolytic caps... Something like that. Consider: 1 simple on/off switch/button/knob/etc. Period: 1 year 1 day From 4f2a34f676ac59896ec0e79d16fba1f4c9c54034 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Delete '3D Printing/Panels/HOLD PORTAL.png' 4d47ea2710 Initial stab at a 10-step sequencer (up to 10 nF | Unpolarized capacitor | | | | | | | | | | | | | C3, C4, C5 | 3 | 10uF | Polarized capacitor | | J6, J10, J11 | 3 pin connector, https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Customer+Drawing%7F215079%7FY1%7Fpdf%7FEnglish%7FENG_CD_215079_Y1.pdf%7F215079-4 connector TE-Connectivity Micro-MaTch female-on-board top-entry thru-hole 18 pin connector, https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Customer+Drawing%7F215079%7FY1%7Fpdf%7FEnglish%7FENG_CD_215079_Y1.pdf%7F215079-4 connector TE-Connectivity Micro-MaTch female-on-board top-entry thru-hole 12 pin connector, https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Customer+Drawing%7F215079%7FY1%7Fpdf%7FEnglish%7FENG_CD_215079_Y1.pdf%7F215079-4 connector TE-Connectivity Micro-MaTch female-on-board top-entry thru-hole 8 pin DIP socket A-004 4 Knobs Screws, nuts, and spacers (see [build notes](build.md | | | | | R15, R17, R19 | 3 | AudioJack2 | Audio Jack, 2 Poles (Mono / TS) | | Tayda | A-3588 | | L1 | 1 | 1uF | Unpolarized capacitor | | | | | Tayda | A-4349 | | | | | | | | Q1, Q2, Q3, Q4, Q5 | 5 | 100nF | Unpolarized capacitor | | R14, R15, R18 | 3 | 4.7k | Resistor | | R4, R6, R7, R30, R31 Switch, dual pole double throw K switch sp3t ON-ON-ON D Switch, triple pole double throw, right angle, https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3f.pdf tactile switch https://www.ckswitches.com/media/1973/ksc7.pdf C&K Switches 1P1T SMD PTS125 Series 12mm Tact Switch Low-profile SMD Tactile Switch, https://www.e-switch.com/system/asset/product_line/data_sheet/165/TL3342.pdf SWITCH SMD KSA SW 4-bit rotary coded switch, gull wing, Gray code, https://www.nidec-copal-electronics.com/e/catalog/switch/sh-7000.pdf SMD SMT mems oscillator Analog BGA-49, 6.25x6.25mm, 49 Ball, 7x7 Layout, 0.4mm Pitch, https://www.ti.com/lit/ml/mxbg419/mxbg419.pdf, https://www.ti.com/lit/ds/symlink/tmp117.pdf Texas Instruments, DSBGA, 1.4715x1.4715mm, 9 bump 3x3 array, NSMD pad definition (http://www.ti.com/lit/ds/symlink/txs0104e.pdf, http://www.ti.com/lit/an/snva009ag/snva009ag.pdf Texas Instruments BGA-289, 0.4mm pad, 15x15mm, 289 Ball, 17x17 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.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 CSGA324 Artix-7, Kintex-7 and Zynq-7000 BGA, 26x26 grid, 27x27mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=273, https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=284.

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