{ "version": 2, "name": "Firefly Rack", "board": { "rows": 20, "cols": 43, "kind": "strip" }, "cuts": [ "2,3", "2,30", "3,3", "3,11", "3,15", "3,30", "4,3", "4,12", "4,15", "4,23", "4,30", "5,3", "5,7", "5,15", "5,30", "6,3", "6,9", "6,15", "6,30", "7,3", "7,9", "7,15", "8,3", "8,30", "9,3", "9,30", "10,30", "12,2", "12,5", "12,8", "12,11", "12,30", "14,11", "14,14", "14,17", "14,20", "14,23", "14,30", "15,12", "15,30", "16,30", "16,35", "17,30", "17,35", "18,30", "18,35", "19,30", "19,35" ], "parts": [ { "id": "ffb801seq", "kind": "link", "ref": "J1", "pins": [ [ 2, 8 ], [ 0, 8 ] ] }, { "id": "ffb802seq", "kind": "link", "ref": "J2", "pins": [ [ 9, 1 ], [ 1, 1 ] ] }, { "id": "ffb803seq", "kind": "link", "ref": "J3", "pins": [ [ 5, 6 ], [ 1, 6 ] ] }, { "id": "ffb805seq", "kind": "link", "ref": "J6", "pins": [ [ 3, 12 ], [ 1, 12 ] ] }, { "id": "ffb806seq", "kind": "link", "ref": "J7", "pins": [ [ 3, 20 ], [ 0, 20 ] ] }, { "id": "ffb807seq", "kind": "link", "ref": "J8", "pins": [ [ 6, 10 ], [ 2, 10 ] ] }, { "id": "ffb808seq", "kind": "link", "ref": "J9", "pins": [ [ 4, 13 ], [ 10, 13 ] ] }, { "id": "ffb809seq", "kind": "link", "ref": "J10", "pins": [ [ 5, 18 ], [ 10, 18 ] ] }, { "id": "ffb810seq", "kind": "link", "ref": "J11", "pins": [ [ 11, 29 ], [ 1, 29 ] ] }, { "id": "ffb811seq", "kind": "link", "ref": "J12", "pins": [ [ 7, 28 ], [ 1, 28 ] ] }, { "id": "ffb812seq", "kind": "res", "ref": "R1", "value": "10k", "pins": [ [ 3, 19 ], [ 4, 19 ] ], "device": "fixed", "mount": "vertical" }, { "id": "ffb813seq", "kind": "res", "ref": "R2", "value": "10k", "pins": [ [ 4, 24 ], [ 5, 24 ] ], "device": "fixed", "mount": "vertical" }, { "id": "ffb814seq", "kind": "res", "ref": "R3", "value": "1k", "pins": [ [ 5, 11 ], [ 7, 11 ] ], "device": "fixed" }, { "id": "ffb815seq", "kind": "res", "ref": "R4", "value": "100k", "pins": [ [ 13, 27 ], [ 11, 27 ] ], "device": "fixed" }, { "id": "ffb816seq", "kind": "res", "ref": "R5", "value": "2k2", "pins": [ [ 14, 25 ], [ 11, 25 ] ], "device": "fixed" }, { "id": "ffb817seq", "kind": "ecap", "ref": "C1", "value": "2u2", "pins": [ [ 10, 15 ], [ 11, 15 ] ], "polarized": true }, { "id": "ffb818seq", "kind": "cap", "ref": "C2", "value": "100n", "pins": [ [ 6, 19 ], [ 7, 19 ] ], "device": "ceramic disc" }, { "id": "ffb819seq", "kind": "ecap", "ref": "C3", "value": "100u", "pins": [ [ 0, 22 ], [ 1, 22 ] ], "polarized": true }, { "id": "ffb820seq", "kind": "cap", "ref": "C4", "value": "100n", "pins": [ [ 2, 14 ], [ 1, 14 ] ], "device": "ceramic disc" }, { "id": "ffb822seq", "kind": "diode", "ref": "D1", "value": "1N4148", "pins": [ [ 12, 1 ], [ 13, 1 ] ], "polarized": true, "device": "switching", "mount": "vertical" }, { "id": "ffb823seq", "kind": "diode", "ref": "D2", "value": "1N4148", "pins": [ [ 12, 4 ], [ 13, 4 ] ], "polarized": true, "device": "switching", "mount": "vertical" }, { "id": "ffb824seq", "kind": "diode", "ref": "D3", "value": "1N4148", "pins": [ [ 12, 7 ], [ 13, 7 ] ], "polarized": true, "device": "switching", "mount": "vertical" }, { "id": "ffb825seq", "kind": "diode", "ref": "D4", "value": "1N4148", "pins": [ [ 12, 10 ], [ 13, 10 ] ], "polarized": true, "device": "switching", "mount": "vertical" }, { "id": "ffb826seq", "kind": "diode", "ref": "D5", "value": "1N4148", "pins": [ [ 14, 13 ], [ 13, 13 ] ], "polarized": true, "device": "switching", "mount": "vertical" }, { "id": "ffb827seq", "kind": "diode", "ref": "D6", "value": "1N4148", "pins": [ [ 14, 16 ], [ 13, 16 ] ], "polarized": true, "device": "switching", "mount": "vertical" }, { "id": "ffb828seq", "kind": "diode", "ref": "D7", "value": "1N4148", "pins": [ [ 14, 19 ], [ 13, 19 ] ], "polarized": true, "device": "switching", "mount": "vertical" }, { "id": "ffb829seq", "kind": "diode", "ref": "D8", "value": "1N4148", "pins": [ [ 14, 22 ], [ 13, 22 ] ], "polarized": true, "device": "switching", "mount": "vertical" }, { "id": "rk001", "kind": "link", "ref": "J13", "pins": [ [ 4, 8 ], [ 15, 8 ] ] }, { "kind": "res", "value": "100k", "device": "fixed", "mount": "vertical", "id": "rk002", "ref": "R6", "pins": [ [ 15, 5 ], [ 14, 5 ] ] }, { "kind": "diode", "value": "1N5817", "polarized": true, "device": "schottky", "mount": "vertical", "id": "rk003", "ref": "D10", "pins": [ [ 4, 38 ], [ 3, 38 ] ] }, { "kind": "diode", "value": "1N5817", "polarized": true, "device": "schottky", "mount": "vertical", "id": "rk004", "ref": "D11", "pins": [ [ 9, 38 ], [ 8, 38 ] ] }, { "id": "rk005", "kind": "link", "ref": "J14", "pins": [ [ 5, 36 ], [ 7, 36 ] ] }, { "id": "rk006", "kind": "link", "ref": "J15", "pins": [ [ 6, 37 ], [ 7, 37 ] ] }, { "kind": "ecap", "value": "10u", "polarized": true, "id": "rk007", "ref": "C5", "pins": [ [ 3, 31 ], [ 5, 31 ] ] }, { "kind": "ecap", "value": "10u", "polarized": true, "id": "rk008", "ref": "C6", "pins": [ [ 9, 31 ], [ 7, 31 ] ] }, { "id": "rk009", "kind": "reg", "ref": "U1", "value": "", "device": "78L05", "pins": [ [ 0, 40 ], [ 1, 40 ], [ 2, 40 ] ] }, { "id": "rk010", "kind": "link", "ref": "J16", "pins": [ [ 3, 41 ], [ 2, 41 ] ] }, { "kind": "cap", "value": "100n", "device": "ceramic disc", "id": "rk011", "ref": "C7", "pins": [ [ 2, 37 ], [ 1, 37 ] ] }, { "kind": "ecap", "value": "10u", "polarized": true, "id": "rk012", "ref": "C8", "pins": [ [ 0, 32 ], [ 1, 32 ] ] }, { "kind": "cap", "value": "100n", "device": "ceramic disc", "id": "rk013", "ref": "C9", "pins": [ [ 0, 35 ], [ 1, 35 ] ] }, { "id": "rk014", "kind": "link", "ref": "J17", "pins": [ [ 3, 39 ], [ 16, 39 ] ] }, { "id": "rk015", "kind": "link", "ref": "J18", "pins": [ [ 9, 32 ], [ 19, 32 ] ] }, { "id": "rk016", "kind": "link", "ref": "J19", "pins": [ [ 13, 40 ], [ 19, 40 ] ] }, { "id": "rk017", "kind": "link", "ref": "J20", "pins": [ [ 17, 41 ], [ 18, 41 ] ] }, { "id": "rk018", "kind": "link", "ref": "J21", "pins": [ [ 17, 42 ], [ 14, 42 ] ] }, { "kind": "res", "value": "1k", "device": "fixed", "mount": "vertical", "id": "rk019", "ref": "R7", "pins": [ [ 14, 38 ], [ 15, 38 ] ] }, { "id": "rk020", "kind": "link", "ref": "J22", "pins": [ [ 16, 31 ], [ 17, 31 ] ] }, { "id": "rk021", "kind": "link", "ref": "J23", "pins": [ [ 18, 33 ], [ 11, 33 ] ] } ], "ics": [ { "id": "ffic1", "ref": "IC1", "part": "CD4017", "pins": 16, "pin1": [ 2, 2 ], "span": 3, "autoCuts": [ "2,3", "3,3", "4,3", "5,3", "6,3", "7,3", "8,3", "9,3" ] }, { "id": "ffic2", "ref": "IC2", "part": "NE555", "pins": 8, "pin1": [ 3, 14 ], "span": 3, "autoCuts": [ "3,15", "4,15", "5,15", "6,15" ] }, { "id": "rkic3", "ref": "IC3", "part": "TL072", "pins": 8, "pin1": [ 16, 34 ], "span": 3, "autoCuts": [ "16,35", "17,35", "18,35", "19,35" ] } ], "pads": [ { "id": "rkp01", "label": "GND", "at": [ 1, 0 ], "to": "ground: the rack's, through the header; jack sleeves, every pot's lug 1" }, { "id": "rkp02", "label": "GND_B", "at": [ 11, 5 ], "to": "second ground pad, the same net as GND" }, { "id": "rkp03", "label": "+9V", "at": [ 0, 3 ], "to": "the +5 rail, off the 78L05 - a test point; nothing leaves the board here" }, { "id": "rkp04", "label": "RST", "at": [ 3, 9 ], "to": "4017 RESET. Wire it to the Q8 pad for eight steps, or through a switch to S5 for four (see the page)" }, { "id": "rkp05", "label": "Q8", "at": [ 9, 27 ], "to": "the ninth count - goes to RST for an eight-step loop" }, { "id": "rkp06", "label": "S1", "at": [ 4, 0 ], "to": "step 1: pot lug 3 AND that step's LED anode" }, { "id": "rkp07", "label": "S2", "at": [ 3, 0 ], "to": "step 2: pot lug 3 and LED anode" }, { "id": "rkp08", "label": "S3", "at": [ 5, 0 ], "to": "step 3: pot lug 3 and LED anode" }, { "id": "rkp09", "label": "S4", "at": [ 8, 0 ], "to": "step 4: pot lug 3 and LED anode" }, { "id": "rkp10", "label": "S5", "at": [ 8, 27 ], "to": "step 5: pot lug 3 and LED anode (this one leaves from the right edge)" }, { "id": "rkp11", "label": "S6", "at": [ 2, 0 ], "to": "step 6: pot lug 3 and LED anode" }, { "id": "rkp12", "label": "S7", "at": [ 6, 0 ], "to": "step 7: pot lug 3 and LED anode" }, { "id": "rkp13", "label": "S8", "at": [ 7, 0 ], "to": "step 8: pot lug 3 and LED anode" }, { "id": "rkp14", "label": "W1", "at": [ 12, 0 ], "to": "step 1 pot wiper" }, { "id": "rkp15", "label": "W2", "at": [ 12, 3 ], "to": "step 2 pot wiper" }, { "id": "rkp16", "label": "W3", "at": [ 12, 6 ], "to": "step 3 pot wiper" }, { "id": "rkp17", "label": "W4", "at": [ 12, 9 ], "to": "step 4 pot wiper" }, { "id": "rkp18", "label": "W5", "at": [ 14, 12 ], "to": "step 5 pot wiper" }, { "id": "rkp19", "label": "W6", "at": [ 14, 15 ], "to": "step 6 pot wiper" }, { "id": "rkp20", "label": "W7", "at": [ 14, 18 ], "to": "step 7 pot wiper" }, { "id": "rkp21", "label": "W8", "at": [ 14, 21 ], "to": "step 8 pot wiper" }, { "id": "rkp22", "label": "LED_K", "at": [ 14, 27 ], "to": "all eight LED cathodes, tied together" }, { "id": "rkp23", "label": "RATE_A", "at": [ 4, 21 ], "to": "rate pot, one outer lug" }, { "id": "rkp24", "label": "RATE_W", "at": [ 4, 26 ], "to": "rate pot wiper (tie the unused lug to it)" }, { "id": "rkp25", "label": "CLK_OUT", "at": [ 7, 13 ], "to": "gate out jack tip - the clock, through 1k" }, { "id": "rkp26", "label": "CLK_T", "at": [ 14, 3 ], "to": "clock jack TIP - through R6 to the 4017's clock" }, { "id": "rkp27", "label": "CLK_N", "at": [ 5, 12 ], "to": "clock jack SWITCH contact - the 555's own clock. Nothing plugged: the jack joins it to the tip" }, { "id": "rkp28", "label": "H1", "at": [ 8, 33 ], "to": "power header pin 1: -12 V. The cable's RED STRIPE is this end" }, { "id": "rkp29", "label": "H2", "at": [ 8, 34 ], "to": "power header pin 2: -12 V. The cable's RED STRIPE is this end" }, { "id": "rkp30", "label": "H3", "at": [ 7, 33 ], "to": "power header pin 3: ground" }, { "id": "rkp31", "label": "H4", "at": [ 7, 34 ], "to": "power header pin 4: ground" }, { "id": "rkp32", "label": "H5", "at": [ 6, 33 ], "to": "power header pin 5: ground" }, { "id": "rkp33", "label": "H6", "at": [ 6, 34 ], "to": "power header pin 6: ground" }, { "id": "rkp34", "label": "H7", "at": [ 5, 33 ], "to": "power header pin 7: ground" }, { "id": "rkp35", "label": "H8", "at": [ 5, 34 ], "to": "power header pin 8: ground" }, { "id": "rkp36", "label": "H9", "at": [ 4, 33 ], "to": "power header pin 9: +12 V" }, { "id": "rkp37", "label": "H10", "at": [ 4, 34 ], "to": "power header pin 10: +12 V" }, { "id": "rkp38", "label": "CV_OUT", "at": [ 15, 41 ], "to": "CV out jack tip - the sequence, buffered, 0 to about 4.4 V" }, { "id": "rkp39", "label": "OUT_S", "at": [ 11, 42 ], "to": "jack sleeves: CV out, clock out, clock in" } ], "netlist": "# Firefly Rack - written from the board\n# 20 strips of 43 holes, 48 parts, 3 chips, 48 cuts\n#\n# Rows 0-15, columns 0-29 are the Firefly Sequencer hole for hole, less D9,\n# the 9V pad, the CV_OUT pad and J5; its nets keep their names. J5 is now a\n# normalled jack: CLK_N is the 555 out, CLK_T the tip back through R6 (100k)\n# to the 4017. Rack block: 2x5 power header (H1-H10, red stripe at H1/H2 on\n# strip 8), a 1N5817 on each rail, a 78L05 making +5 from +12, and a TL072\n# whose B half follows the CV bus into CV_OUT through 1k.\n\n-12_RAW: @H1 @H2 D11.B\n-12: D11.A C6.A IC3.4 J18.A J18.B\n+12_RAW: @H9 @H10 D10.A\n+12: D10.B C5.A U1.I J16.A J16.B C7.A IC3.8 J17.A J17.B\nCLK_555: R3.A IC2.3 @CLK_N\nCLK_4017: IC1.14 J13.A J13.B R6.A\nCLK_T: R6.B @CLK_T\nCV_BUF: IC3.6 IC3.7 J20.A J20.B J21.A J21.B R7.A\nCV_OUT: R7.B @CV_OUT\nFOLLOW: IC3.1 IC3.2 J22.A J22.B\n+9: J1.A J1.B J7.A J7.B J8.A J8.B R1.A C3.A C4.A IC1.16 IC2.4 IC2.8 @+9V U1.O C8.A C9.A\nGND: J2.A J2.B J3.A J3.B J6.A J6.B J11.A J11.B J12.A J12.B R4.B R5.B C1.B C2.B C3.B C4.B IC1.8 IC1.13 IC2.1 @GND @GND_B @H3 @H4 @H5 @H6 @H7 @H8 J14.A J14.B J15.A J15.B C5.B C6.B U1.G C7.B C8.B C9.B IC3.3 J23.A J23.B @OUT_S\nCLK_OUT: R3.B @CLK_OUT\nTIMING: J9.A J9.B J10.A J10.B R2.B C1.A IC2.2 IC2.6\nDIS: R1.B IC2.7 @RATE_A\nRATE_W: R2.A @RATE_W\nCTRL: C2.A IC2.5\nRESET: IC1.15 @RST\nQ8: IC1.9 @Q8\nCV: R4.A D1.B D2.B D3.B D4.B D5.B D6.B D7.B D8.B IC3.5 J19.A J19.B\nLED_K: R5.A @LED_K\nQ9_NC: IC1.11\nCARRY_NC: IC1.12\nS1: IC1.3 @S1\nS2: IC1.2 @S2\nS3: IC1.4 @S3\nS4: IC1.7 @S4\nS5: IC1.10 @S5\nS6: IC1.1 @S6\nS7: IC1.5 @S7\nS8: IC1.6 @S8\nW1: D1.A @W1\nW2: D2.A @W2\nW3: D3.A @W3\nW4: D4.A @W4\nW5: D5.A @W5\nW6: D6.A @W6\nW7: D7.A @W7\nW8: D8.A @W8\n" }