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First commit of the repo. Contents beyond the v0.1 simulator and layout: - Full Pico 2 W firmware (firmware/app, drivers, engine port, host test). - BANK page and 404 mode A/B removed; learned pads play exactly what was learned. - 404/MiniFreak renamed to KIT/SYNTH throughout (jacks, code, sim, docs, layout labels; wiring rebuilt). - ROLL returns to page select after a re-roll; a freshly learned track turns on. - LCD contrast 66. - ROOT and SCALE pages: 21 scales, AUTO = the seed picks; global and sticky. Intended music change: the scale table grew from 8 to 21 and AUTO picks from all of them, so every seed's scale changed. Vectors regenerated with npm run vectors, plus new key-override cases. Flash record is now version 2. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
27 lines
3.7 KiB
CSV
27 lines
3.7 KiB
CSV
group,id,part,spec,qty,status,notes
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"Core","pico","Raspberry Pi Pico 2W","RP2350, micro-USB","1","have","The whole engine runs on it with lots of headroom."
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"Core","lcd","Nokia 5110 LCD module","PCD8544, 84×48, SPI","1","have","The module you used with Arduino."
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"Core","box","Enclosure","","1","have","About 80 × 150 × 40 mm. Panel layout: tools/panel.html."
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"Controls","enc","Rotary encoder with push","KY-040 module or bare EC11","1","have","Power it from 3V3."
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"Controls","pots","Potentiometer, linear","B10K (anything 5k–50k linear works)","2","have","Energy and Drift."
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"Controls","knobs","Knobs","to fit the pot and encoder shafts","3","check","Shaft types differ (D, knurled, 6 mm). Match them."
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"Controls","btn","Momentary push button, panel mount","~12 mm, non-latching","11","check","7 kit + 4 line tracks."
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"Controls","seedbtn","Momentary push button, large","16–22 mm, non-latching","1","check","SEED. Any big momentary works."
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"Controls","tog","Toggle switch, SPDT","","1","have","RUN / STOP. Your old bypass switch."
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"Controls","dio","1N4148 diode","or 1N4448 / 1N914 / any small-signal diode","12","buy","11 for the button matrix + 1 for MIDI IN. 1N4448 works too. Every button needs one: a missing diode gives phantom presses with three buttons held."
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"MIDI","trs","3.5 mm stereo (TRS) jack, panel mount","3 lugs: tip, ring, sleeve. Not mono.","3","check","IN, OUT KIT, OUT SYNTH. MIDI TRS Type A. 6 mm hole each."
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"MIDI","adapt","TRS-to-DIN MIDI adapter, Type A","female DIN, 3.5 mm plug","1","buy","For a DIN synth or sampler (e.g. MiniFreak). Must say Type A (Type B swaps tip and ring). Type A TRS gear (e.g. SP-404MKII) takes a plain stereo 3.5 mm cable."
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"MIDI","opto","6N137 optocoupler","DIP-8 (6N138 also works: then drop the pin 7 link)","1","have","MIDI IN. You have three; one is used."
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"MIDI","sock","DIP-8 IC socket","","1","buy","So the opto can be swapped."
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"MIDI","r330","Resistor 330 Ω","220–470 Ω","1","check","LCD backlight (LED pin) to 3.3 V, inline at the module."
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"MIDI","r220","Resistor 220 Ω","150–220 Ω","1","have","MIDI IN, in series with the opto LED. The 6N137 wants a bit more LED current: use 150 Ω if learning misses notes."
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"MIDI","r1k","Resistor 1 kΩ","470 Ω–2.2 kΩ is fine","2","have","Opto output pull-up, NPN base."
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"MIDI","r33","Resistor 33 Ω, ½ W","27–47 Ω is fine","2","buy","MIDI OUT ring (pin 4) line, per the MIDI 3.3 V spec. ½ W because a mono plug in an OUT jack shorts it straight to ground (0.33 W); a ¼ W one would cook."
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"MIDI","r10","Resistor 10 Ω","10–22 Ω is fine","2","check","MIDI OUT tip (pin 5) line, from TX. Don't replace with a wire: it protects the pin."
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"MIDI","cap","Ceramic capacitor 100 nF","anything 47–220 nF","3","check","C1 on the board (6N137 supply bypass, required). Optional: one per pot, soldered at the pot from wiper to the left lug, if the readings jitter."
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"Screen extras","blt","NPN or PNP transistor","2N3904 / BC547 (NPN) or 2N3906 / BC557 (PNP)","1","opt","Only for a dimmable backlight. NPN if your BL lights when grounded, PNP if it lights from 3.3 V. Otherwise hard-wire it."
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"Power and assembly","perf","Stripboard","at least 34 × 28 holes (about 86 × 71 mm)","1","check","Pico socketed at the top edge, so its USB port meets a slot in the back wall."
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"Power and assembly","hdr","Female header strip, 1 × 20","2.54 mm","2","check","Socket the Pico instead of soldering it in."
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"Power and assembly","mhdr","Male header strip, 1 × 20","2.54 mm","2","check","Soldered to the Pico so it plugs into the female headers. Skip if yours is a Pico 2 WH (headers fitted)."
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"Power and assembly","tape","Double-sided foam tape or hot glue","","—","check","Holds the stripboard and the screen without screws."
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