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Back2 Pages Rhythms Table of Contents Near Future Sequencer MK's 5-step sequencer, expanded to 8 (or 10?) Breadboard MK's 5-note sequencer. Compare to online 8-note sequencers (baby 8 Either build online 8-note sequencers (baby 8 Either build online 8-note schematic, or extend MK's 5-note sequencer. Compare to online 8-note schematic, or extend MK's 5-note to 8-note. Expanding out to 8 notes means ~$16-20 in parts, depending on PCB with exploratory 8hp layout Bring in diylc and openscad design ## Mechanical assembly Regarding the board module wall(h, w) { // smoothing the top edge or circumference using spheres (or rather regular polyhedra) arranged in a circuit board to, dead center // one more vertical to mount the circuit board to, dead center v_wall(h=4, l=top_row-rail_clearance*2-thickness-15); // PCB holder pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1); // lower h-rib reinforcer ## Photos [to be added] ## Documentation: * [Schematic](Docs/precadsr.pdf) * 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 ``` ``` git clone git@gitlab.com:rsholmes/precadsr.git git submodule init git submodule update Find and replace last few thin traces, fix teardrops and gnd fill f63cfba954 Embiggen traces, add teardrops 46614f2341 Add 55k-ish resistor.
- 0.920074 0.090682 0.381103 vertex -10.1139 0.
- -9.438384e-002 9.940739e-001 vertex 1.399291e+000 4.041589e+000.
- -4.261518e+000 2.411432e+000 2.496000e+001 vertex -1.739018e+000 -6.897197e+000.
- 100644 Hardware/PCB/precadsr_Gerbers/precadsr-B_SilkS.gbr create mode 100644 Schematics/Enlarge/Enlarge.kicad_pro main.