{ "version": 2, "name": "Opto Duet CV", "board": { "rows": 10, "cols": 23, "kind": "strip" }, "cuts": [ "2,4", "3,4", "4,4", "5,4", "2,16", "3,16", "4,16", "5,16", "7,11", "5,11", "4,11", "3,11", "2,11", "0,2", "9,11" ], "parts": [ { "id": "d01xq", "kind": "link", "ref": "J1", "value": "", "pins": [ [ 1, 2 ], [ 2, 2 ] ] }, { "id": "d02xq", "kind": "link", "ref": "J2", "value": "", "pins": [ [ 0, 7 ], [ 2, 7 ] ] }, { "id": "d03xq", "kind": "link", "ref": "J3", "value": "", "pins": [ [ 0, 6 ], [ 5, 1 ] ] }, { "id": "d04xq", "kind": "link", "ref": "J4", "value": "", "pins": [ [ 3, 2 ], [ 4, 8 ] ] }, { "id": "d05xq", "kind": "link", "ref": "J5", "value": "", "pins": [ [ 0, 19 ], [ 2, 19 ] ] }, { "id": "d06xq", "kind": "link", "ref": "J6", "value": "", "pins": [ [ 0, 12 ], [ 5, 12 ] ] }, { "id": "d07xq", "kind": "link", "ref": "J7", "value": "", "pins": [ [ 3, 13 ], [ 4, 20 ] ] }, { "id": "d08xq", "kind": "link", "ref": "J8", "value": "", "pins": [ [ 1, 22 ], [ 6, 22 ] ] }, { "id": "d09xq", "kind": "link", "ref": "J9", "value": "", "pins": [ [ 1, 13 ], [ 2, 13 ] ] }, { "id": "d10xq", "kind": "res", "ref": "R1", "value": "1k", "pins": [ [ 0, 9 ], [ 3, 9 ] ], "device": "fixed" }, { "id": "d11xq", "kind": "res", "ref": "R2", "value": "100R", "pins": [ [ 7, 4 ], [ 8, 4 ] ], "device": "fixed" }, { "id": "d12xq", "kind": "res", "ref": "R3", "value": "1k", "pins": [ [ 0, 21 ], [ 3, 21 ] ], "device": "fixed" }, { "id": "d13xq", "kind": "res", "ref": "R4", "value": "100R", "pins": [ [ 7, 16 ], [ 8, 16 ] ], "device": "fixed" }, { "id": "d14xq", "kind": "ecap", "ref": "C1", "value": "10u", "pins": [ [ 4, 7 ], [ 6, 7 ] ], "polarized": true }, { "id": "d15xq", "kind": "cap", "ref": "C2", "value": "10n", "pins": [ [ 5, 8 ], [ 6, 8 ] ], "device": "ceramic disc" }, { "id": "d16xq", "kind": "ecap", "ref": "C3", "value": "100u", "pins": [ [ 4, 0 ], [ 7, 0 ] ], "polarized": true }, { "id": "d17xq", "kind": "cap", "ref": "C4", "value": "100n", "pins": [ [ 4, 19 ], [ 6, 19 ] ], "device": "ceramic disc" }, { "id": "d18xq", "kind": "cap", "ref": "C5", "value": "10n", "pins": [ [ 5, 20 ], [ 6, 20 ] ], "device": "ceramic disc" }, { "id": "d19xq", "kind": "ecap", "ref": "C6", "value": "100u", "pins": [ [ 4, 14 ], [ 7, 14 ] ], "polarized": true }, { "id": "d20xq", "kind": "ecap", "ref": "C7", "value": "100u", "pins": [ [ 0, 14 ], [ 1, 14 ] ], "polarized": true }, { "id": "d21xq", "kind": "diode", "ref": "D1", "value": "1N5817", "pins": [ [ 0, 1 ], [ 0, 4 ] ], "polarized": true, "device": "DO-41" }, { "id": "d22xq", "kind": "cap", "ref": "C8", "value": "100n", "pins": [ [ 0, 5 ], [ 1, 5 ] ], "device": "ceramic MLCC" }, { "id": "d23xq", "kind": "cap", "ref": "C9", "value": "100n", "pins": [ [ 0, 16 ], [ 1, 16 ] ], "device": "ceramic MLCC" }, { "id": "r5", "kind": "res", "ref": "R5", "value": "4k7", "pins": [ [ 5, 5 ], [ 9, 5 ] ] }, { "id": "r6", "kind": "res", "ref": "R6", "value": "4k7", "pins": [ [ 5, 17 ], [ 9, 17 ] ] } ], "ics": [ { "id": "dic1aa", "ref": "IC1", "part": "NE555", "pins": 8, "pin1": [ 2, 3 ], "span": 3 }, { "id": "dic2bb", "ref": "IC2", "part": "NE555", "pins": 8, "pin1": [ 2, 15 ], "span": 3 } ], "pads": [ { "id": "dp01zz", "label": "+12V", "at": [ 0, 0 ], "to": "battery + (shared) - raw side of D1", "parts": [ { "id": "SW1", "kind": "toggle", "lug": "C", "value": "SPST", "role": "power" } ] }, { "id": "dp13zz", "label": "VCC", "at": [ 0, 22 ], "to": "test point on VCC, the protected side of D1; nothing leaves the board here. It tells the checker this strip is a supply" }, { "id": "dp02zz", "label": "GND", "at": [ 1, 1 ], "to": "battery -", "parts": [ { "id": "DC1", "kind": "dc", "lug": "-", "value": "12 V" }, { "id": "JK1", "kind": "jack", "lug": "S", "value": "1/4 in, tempo CV", "role": "tempo CV" }, { "id": "JK2", "kind": "jack", "lug": "S", "value": "1/4 in, pitch CV", "role": "pitch CV" } ] }, { "id": "dp03zz", "label": "SPK_A", "at": [ 8, 12 ], "to": "speaker hot leg - both boards mix here through their own 100Rs", "parts": [ { "id": "SPK1", "kind": "spk", "lug": "+", "value": "small" } ] }, { "id": "dp04zz", "label": "SPK_B", "at": [ 6, 1 ], "to": "speaker return leg", "parts": [ { "id": "SPK1", "kind": "spk", "lug": "-", "value": "small" } ] }, { "id": "dp05zz", "label": "LED_A", "at": [ 7, 3 ], "to": "mouth LED anode - seals face-to-face with the vactrol cell", "parts": [ { "id": "LED1", "kind": "led", "lug": "A", "value": "sealed to the cell" } ] }, { "id": "dp06zz", "label": "LED_K", "at": [ 6, 3 ], "to": "mouth LED cathode", "parts": [ { "id": "LED1", "kind": "led", "lug": "K", "value": "sealed to the cell" } ] }, { "id": "dp07zz", "label": "LDR_T1", "at": [ 3, 10 ], "to": "tempo eye, one leg - cell faces OUTSIDE the box", "parts": [ { "id": "LDR1", "kind": "ldr", "lug": "1", "value": "tempo eye" } ] }, { "id": "dp08zz", "label": "LDR_T2", "at": [ 4, 10 ], "to": "tempo eye, other leg", "parts": [ { "id": "LDR1", "kind": "ldr", "lug": "2", "value": "tempo eye" } ] }, { "id": "dp09zz", "label": "LDR_V1", "at": [ 3, 20 ], "to": "vactrol cell, one leg - sealed to the LED inside the box", "parts": [ { "id": "LDR2", "kind": "ldr", "lug": "1", "value": "vactrol cell, sealed to LED1" } ] }, { "id": "dp10zz", "label": "LDR_V2", "at": [ 4, 21 ], "to": "pitch eye, one leg - cell faces OUTSIDE the box", "parts": [ { "id": "LDR3", "kind": "ldr", "lug": "2", "value": "pitch eye" } ] }, { "id": "dp11zz", "label": "LDR_P1", "at": [ 3, 22 ], "to": "pitch eye, other leg - same strip as LDR_V1", "parts": [ { "id": "LDR3", "kind": "ldr", "lug": "1", "value": "pitch eye" } ] }, { "id": "dp12zz", "label": "LDR_P2", "at": [ 4, 22 ], "to": "vactrol cell, other leg - same strip as LDR_V2", "parts": [ { "id": "LDR2", "kind": "ldr", "lug": "2", "value": "vactrol cell, sealed to LED1" } ] }, { "id": "e18f6z", "label": "LED2_K", "at": [ 6, 15 ], "to": "LED 2 cathode", "parts": [ { "id": "LED2", "kind": "led", "lug": "K", "value": "indicator" } ] }, { "id": "e2ilqp", "label": "LED2_A", "at": [ 7, 15 ], "to": "LED 2 anode", "parts": [ { "id": "LED2", "kind": "led", "lug": "A", "value": "indicator" } ] }, { "id": "p_cvt", "label": "CV_T", "at": [ 9, 0 ], "to": "tempo CV jack tip - through R5 to IC1 pin 5", "parts": [ { "id": "JK1", "kind": "jack", "lug": "T", "value": "1/4 in, tempo CV", "role": "tempo CV" } ] }, { "id": "p_cvp", "label": "CV_P", "at": [ 9, 22 ], "to": "pitch CV jack tip - through R6 to IC2 pin 5", "parts": [ { "id": "JK2", "kind": "jack", "lug": "T", "value": "1/4 in, pitch CV", "role": "pitch CV" } ] } ], "netlist": "# Opto Duet CV - written from the board\n# 10 strips of 23 holes, 25 parts, 2 chips, 15 cuts\n#\n# The built Opto Duet v2, hole for hole, with one strip added along the bottom.\n# R5 and R6, 4k7, take a CV from each jack tip into pin 5, the control pin, of\n# the engine (tempo) and the voice (pitch). More volts is slower and lower.\n# The eyes stay in. Unplugged, pin 5 is untouched and it plays as the v2.\n# D1 (1N5817) is reverse-polarity protection in series with the incoming +12V.\n# C8 and C9 are rail-to-rail decoupling, one beside each 555.\n\n+12V: @+12V D1.A\nVCC: @VCC C7.A C8.A C9.A D1.B IC1.4 IC1.8 IC2.4 IC2.8 R1.A R3.A\nGND: @GND @LED2_K @LED_K @SPK_B C1.B C2.B C4.B C5.B C7.B C8.B C9.B IC1.1 IC2.1\nIC1_CTRL: C2.A IC1.5 R5.A\nIC1_OUT: C3.A IC1.3\nIC2_CTRL: C5.A IC2.5 R6.A\nIC2_OUT: C6.A IC2.3\nLDR_T1: @LDR_T1 IC1.7 R1.B\nLDR_T2: @LDR_T2 C1.A IC1.2 IC1.6\nLDR_V1: @LDR_P1 @LDR_V1 IC2.7 R3.B\nLDR_V2: @LDR_P2 @LDR_V2 C4.A IC2.2 IC2.6\nLED2_A: @LED2_A C6.B R4.A\nLED_A: @LED_A C3.B R2.A\nSPK_A: @SPK_A R2.B R4.B\nCV_T: @CV_T R5.B\nCV_P: @CV_P R6.B", "app": "Copper Bottom v1.7.1 - checks stripboard layouts electrically, no schematic needed: https://messopedals.com/diy/copper-bottom/", "offboard": [ "DC1.+ - SW1.1" ] }