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BackCd18ed43dc Added hard sync to schematic, laid out PCB with on-board components hard_sync traces added but maybe won't keep traces added but maybe won't keep traces_before_hard_sync Fix for two different ranges (e.g. 0-2.5v / 0-5v Gate out, with probably +12v gates. - Variable step count, 1-10 steps possible (with 2-3 extra switch positions to re-use for frequently-swapped positions). - External reset via socket. - External reset via momentary push button. - Play continuously or play once (switch to select segments from each step. Could add a voltage to trigger a second sequencer's run, which then re-triggers the first. More feature ideas: Trigger out - RESET / CASCADE out - Gate out (could normal to TP10, optional Once/Cont 11 Toggle Switches, 2pin: all step switches (all go to same bus) - run/stop 2x Pushbutton switches, all 2pin: - all step switches (all go to same bus) - run/stop 2x Pushbutton switches, all 2pin: - reset Pots, 3-pin: Glide attenuator (B10k) (join two left pins from below) Pots, 2-pin: Glide, manual (A100k) (two left pins, from below) - Clock rate (B100k) (not sure yet which 2 pins diameter 8.0mm 2 pins LED, diameter 4.0mm, 2 pins, diameter 1.8mm size 1.8x2.4mm^2 z-position of LED center 3.0mm, 2 pins diameter 3.0mm z-position of LED center 1.0mm 2 pins LED diameter 1.8mm size 1.8x2.4mm^2 z-position of LED center 1.0mm, 2 pins, pitch 5.08mm, size 35.6x8.45mm^2, drill diamater 1.4mm, pad diameter 1.4mm, outer diameter 2.3mm, size source Multi-Contact FLEXI-E 2.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Molex MicroClasp Wire-to-Board System, 55932-1210, with PCB cutout, light-direction upwards, see http://www.everlight.com/file/ProductFile/ITR8307.pdf refective opto couple photo coupler IR Receiver Vishay TSOP-xxxx, MOLD package, see https://www.vishay.com/docs/82669/tsop32s40f.pdf IR Receiver Vishay TSOP-xxxx, CAST package, see https://www.vishay.com/docs/82669/tsop32s40f.pdf IR Receiver Vishay TSOP-xxxx MOLD Oscillator, DIP8, Large Pads, http://cdn-reichelt.de/documents/datenblatt/B400/OSZI.pdf Oscillator, DIP14, Large Pads, http://cdn-reichelt.de/documents/datenblatt/B400/OSZI.pdf Miniature Crystal Clock Oscillator EuroQuartz XO91 series, http://cdn-reichelt.de/documents/datenblatt/B400/XO91.pdf, hand-soldering.
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