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BackCould add a voltage to trigger steps. Replace C10 with 100K resistor, and bridge out R44 with a capacitor / resistor pair, see Fireball's hard sync input. But could also go to same bus run/stop 2x Pushbutton switches, all 2pin: - step - reset in - CLOCK out - Gate out (could normal to TP10, optional) - Casc out 2x Toggle Switches, 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.
- Connector, S09B-XASK-1N-BN (http://www.jst-mfg.com/product/pdf/eng/eXA1.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py.
- Inductor http://www.bourns.com/docs/product-datasheets/srp2313aa.pdf Bourns SRR1260 series.
- Circuits (https://www.molex.com/pdm_docs/sd/2005280060_sd.pdf), generated with kicad-footprint-generator JST.
- Fireball/Fireball.kicad_dru Normal file View File Hardware/PCB/precadsr_aux_Gerbers/precadsr-F_Mask.gbr Normal.
- -0.471366 -0.881857 -0.0118779 facet normal 0.0222629 0.0969963.