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BackL=height-rail_clearance*2-thickness, th=2); h_wall(h=4, l=slider_spacing*10+left_panel_width/2-right_rib_thickness, th=1.5); main MK_SEQ/Schematics/Unseen Servant/Unseen Servant_slider_board_noncanonical.kicad_pcb ## Current draw PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md ``` git clone --recurse-submodules git@gitlab.com:rsholmes/precadsr.git $article['content'] = $this->get_img_tags($xpath, '(//div[@id="comic"]//img)', $article) . $article['content']; } // Two Lumps // Two Lumps Features already done: - Internal clock with manual control. - Clock in socket with amplifier to handle weaker (<6v) signals Sequencer cascading to trigger a second sequencer's run, which then re-triggers the first. - Trigger out - GATE out // 1 for once/cont (sw15 // 2 NO Moment switches: // 1 for once/cont (sw15 // 2 NO Moment switches: // 10 LEDs - one per step // 1 rotary switch, 5+ positions - 10 ohms between U1-14 and U2-1 when off, more like 1M when off Glide In - U1-13 (can get at from top when assembled - Stop Switch - 10 ohms between U1-14 and U2-1 when off, more like 1M ohms when off - Glide attenuator (B10k) (join two left pins from below - Glide, manual (A100k) (two left pins, from below - Clock rate (B100k) (not sure yet which 2 pins Red 5381 Series LED Green Yellow 1 Port RJ45 Magjack Connector Through Hole 10/100 Base-T, AutoMDIX, https://www.amphenolcanada.com/ProductSearch/Drawings/AC/RJMG1BD3B8K1ANR.PDF RJ45 Vertical Shield LED Green 5381 Series LED A20 Olinuxino LIME2, 1.2GHz, 512-1024MB RAM, Micro-SD, NAND or eMMC, 1000Mbit Ethernet A20 Olimex Olinuxino LIME2 development board Common footprint for 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=23 FBGA-96, 13.5x7.5mm, 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 GateMate FPGA Maxim WLP-12, W121H2+1, 2.008x1.608mm, 12 Ball, 3x4.
- Normal 0.551274 -0.112494 -0.826706 vertex 2.68637 1.0891 18.9321.
- -0.000000e+00 -4.501702e-02 facet normal.
- Connector, 37 top-side contacts, 0.5mm pitch, SMT.