{
 "version": 2,
 "name": "Haunt Detector HD-C1, board A (the tether)",
 "board": {
  "rows": 12,
  "cols": 30
 },
 "cuts": [
  "0,2",
  "1,10",
  "1,13",
  "1,18",
  "3,9",
  "3,14",
  "3,24",
  "4,9",
  "4,17",
  "4,24",
  "5,9",
  "5,15",
  "5,24",
  "6,9",
  "6,13",
  "6,21",
  "6,24",
  "7,8",
  "7,19",
  "7,24",
  "8,3",
  "8,13",
  "8,24",
  "9,24",
  "10,18",
  "10,22",
  "11,12",
  "11,16"
 ],
 "ics": [
  {
   "id": "ic1",
   "ref": "IC1",
   "part": "LMC6482",
   "pins": 8,
   "pin1": [
    3,
    8
   ],
   "span": 3,
   "autoCuts": [
    "3,9",
    "4,9",
    "5,9",
    "6,9"
   ]
  },
  {
   "id": "ic2",
   "ref": "IC2",
   "part": "CD40106",
   "pins": 14,
   "pin1": [
    3,
    23
   ],
   "span": 3,
   "autoCuts": [
    "3,24",
    "4,24",
    "5,24",
    "6,24",
    "7,24",
    "8,24",
    "9,24"
   ]
  }
 ],
 "parts": [
  {
   "id": "j1",
   "kind": "link",
   "ref": "J1",
   "value": "",
   "pins": [
    [
     6,
     0
    ],
    [
     2,
     0
    ]
   ]
  },
  {
   "id": "j2",
   "kind": "link",
   "ref": "J2",
   "value": "",
   "pins": [
    [
     3,
     7
    ],
    [
     8,
     7
    ]
   ]
  },
  {
   "id": "j3",
   "kind": "link",
   "ref": "J3",
   "value": "",
   "pins": [
    [
     9,
     6
    ],
    [
     6,
     6
    ]
   ]
  },
  {
   "id": "j4",
   "kind": "link",
   "ref": "J4",
   "value": "",
   "pins": [
    [
     8,
     12
    ],
    [
     6,
     12
    ]
   ]
  },
  {
   "id": "j5",
   "kind": "link",
   "ref": "J5",
   "value": "",
   "pins": [
    [
     3,
     13
    ],
    [
     0,
     13
    ]
   ]
  },
  {
   "id": "j6",
   "kind": "link",
   "ref": "J6",
   "value": "",
   "pins": [
    [
     7,
     9
    ],
    [
     9,
     9
    ]
   ]
  },
  {
   "id": "j7",
   "kind": "link",
   "ref": "J7",
   "value": "",
   "pins": [
    [
     6,
     22
    ],
    [
     7,
     22
    ]
   ]
  },
  {
   "id": "j8",
   "kind": "link",
   "ref": "J8",
   "value": "",
   "pins": [
    [
     3,
     27
    ],
    [
     0,
     27
    ]
   ]
  },
  {
   "id": "j9",
   "kind": "link",
   "ref": "J9",
   "value": "",
   "pins": [
    [
     4,
     28
    ],
    [
     2,
     28
    ]
   ]
  },
  {
   "id": "j10",
   "kind": "link",
   "ref": "J10",
   "value": "",
   "pins": [
    [
     6,
     27
    ],
    [
     4,
     27
    ]
   ]
  },
  {
   "id": "d1",
   "kind": "diode",
   "ref": "D1",
   "value": "1N5817",
   "pins": [
    [
     0,
     1
    ],
    [
     0,
     4
    ]
   ],
   "device": "schottky",
   "polarized": true
  },
  {
   "id": "r7",
   "kind": "res",
   "ref": "R7",
   "value": "100k",
   "pins": [
    [
     0,
     5
    ],
    [
     1,
     5
    ]
   ],
   "mount": "vertical"
  },
  {
   "id": "r8",
   "kind": "res",
   "ref": "R8",
   "value": "100k",
   "pins": [
    [
     1,
     7
    ],
    [
     2,
     7
    ]
   ],
   "mount": "vertical"
  },
  {
   "id": "c6",
   "kind": "ecap",
   "ref": "C6",
   "value": "10u",
   "pins": [
    [
     1,
     1
    ],
    [
     2,
     1
    ]
   ],
   "polarized": true
  },
  {
   "id": "c17",
   "kind": "cap",
   "ref": "C17",
   "value": "100n",
   "pins": [
    [
     0,
     20
    ],
    [
     2,
     20
    ]
   ],
   "device": "ceramic disc"
  },
  {
   "id": "r1",
   "kind": "res",
   "ref": "R1",
   "value": "1M",
   "pins": [
    [
     8,
     1
    ],
    [
     5,
     1
    ]
   ]
  },
  {
   "id": "r2",
   "kind": "res",
   "ref": "R2",
   "value": "10M",
   "pins": [
    [
     5,
     3
    ],
    [
     1,
     3
    ]
   ]
  },
  {
   "id": "r3",
   "kind": "res",
   "ref": "R3",
   "value": "100k",
   "pins": [
    [
     3,
     1
    ],
    [
     4,
     1
    ]
   ],
   "mount": "vertical"
  },
  {
   "id": "c3",
   "kind": "cap",
   "ref": "C3",
   "value": "1n",
   "pins": [
    [
     3,
     5
    ],
    [
     4,
     5
    ]
   ],
   "device": "ceramic disc"
  },
  {
   "id": "r4",
   "kind": "res",
   "ref": "R4",
   "value": "10k",
   "pins": [
    [
     4,
     2
    ],
    [
     7,
     2
    ]
   ]
  },
  {
   "id": "c4",
   "kind": "ecap",
   "ref": "C4",
   "value": "10u",
   "pins": [
    [
     7,
     5
    ],
    [
     6,
     5
    ]
   ],
   "polarized": true
  },
  {
   "id": "r5",
   "kind": "res",
   "ref": "R5",
   "value": "1k",
   "pins": [
    [
     4,
     12
    ],
    [
     1,
     12
    ]
   ]
  },
  {
   "id": "r6",
   "kind": "res",
   "ref": "R6",
   "value": "1k",
   "pins": [
    [
     5,
     14
    ],
    [
     1,
     14
    ]
   ]
  },
  {
   "id": "c5",
   "kind": "ecap",
   "ref": "C5",
   "value": "22u",
   "pins": [
    [
     1,
     16
    ],
    [
     2,
     16
    ]
   ],
   "polarized": true
  },
  {
   "id": "r9",
   "kind": "res",
   "ref": "R9",
   "value": "10k",
   "pins": [
    [
     4,
     16
    ],
    [
     3,
     16
    ]
   ],
   "mount": "vertical"
  },
  {
   "id": "d2",
   "kind": "diode",
   "ref": "D2",
   "value": "1N4148",
   "pins": [
    [
     7,
     14
    ],
    [
     6,
     14
    ]
   ],
   "device": "switching",
   "polarized": true,
   "mount": "vertical"
  },
  {
   "id": "d3",
   "kind": "diode",
   "ref": "D3",
   "value": "1N4148",
   "pins": [
    [
     6,
     16
    ],
    [
     5,
     16
    ]
   ],
   "device": "switching",
   "polarized": true,
   "mount": "vertical"
  },
  {
   "id": "c7",
   "kind": "cap",
   "ref": "C7",
   "value": "100n",
   "pins": [
    [
     4,
     20
    ],
    [
     6,
     20
    ]
   ],
   "device": "ceramic disc"
  },
  {
   "id": "c8",
   "kind": "cap",
   "ref": "C8",
   "value": "1u",
   "pins": [
    [
     5,
     18
    ],
    [
     7,
     18
    ]
   ],
   "device": "box film"
  },
  {
   "id": "r10",
   "kind": "res",
   "ref": "R10",
   "value": "2M2",
   "pins": [
    [
     5,
     17
    ],
    [
     2,
     17
    ]
   ]
  },
  {
   "id": "r11",
   "kind": "res",
   "ref": "R11",
   "value": "2k2",
   "pins": [
    [
     7,
     21
    ],
    [
     10,
     21
    ]
   ]
  },
  {
   "id": "r12",
   "kind": "res",
   "ref": "R12",
   "value": "2k2",
   "pins": [
    [
     8,
     15
    ],
    [
     11,
     15
    ]
   ]
  },
  {
   "id": "r14",
   "kind": "res",
   "ref": "R14",
   "value": "1M",
   "pins": [
    [
     9,
     27
    ],
    [
     8,
     27
    ]
   ],
   "mount": "vertical"
  },
  {
   "id": "c9",
   "kind": "cap",
   "ref": "C9",
   "value": "1u",
   "pins": [
    [
     8,
     29
    ],
    [
     6,
     29
    ]
   ],
   "device": "box film"
  },
  {
   "id": "c18",
   "kind": "cap",
   "ref": "C18",
   "value": "100n",
   "pins": [
    [
     3,
     29
    ],
    [
     4,
     29
    ]
   ],
   "device": "ceramic disc"
  }
 ],
 "pads": [
  {
   "id": "p1",
   "label": "VIN",
   "at": [
    0,
    0
   ],
   "to": "the POWER switch, then the battery plus",
   "parts": [
    {
     "id": "SW1",
     "kind": "toggle",
     "lug": "C",
     "value": "SPST",
     "role": "power"
    }
   ]
  },
  {
   "id": "p2",
   "label": "GND",
   "at": [
    2,
    2
   ],
   "to": "the battery minus, and JK1's shell lug, which grounds the box",
   "parts": [
    {
     "id": "BT1",
     "kind": "batt",
     "lug": "-",
     "value": "9 V"
    },
    {
     "id": "JK1",
     "kind": "jack",
     "lug": "S",
     "value": "BNC, panel",
     "role": "antenna, the whip"
    }
   ]
  },
  {
   "id": "p3",
   "label": "ANT",
   "at": [
    8,
    0
   ],
   "to": "JK1, the BNC jack, its center pin",
   "parts": [
    {
     "id": "JK1",
     "kind": "jack",
     "lug": "T",
     "value": "BNC, panel",
     "role": "antenna, the whip"
    }
   ]
  },
  {
   "id": "p4",
   "label": "TETHER_W",
   "at": [
    1,
    11
   ],
   "to": "TETHER pot (POT1) wiper",
   "parts": [
    {
     "id": "POT1",
     "kind": "pot",
     "lug": "W",
     "value": "B100K",
     "role": "TETHER"
    }
   ]
  },
  {
   "id": "p5",
   "label": "TETHER_L",
   "at": [
    5,
    12
   ],
   "to": "TETHER pot (POT1) lug 3",
   "parts": [
    {
     "id": "POT1",
     "kind": "pot",
     "lug": "3",
     "value": "B100K",
     "role": "TETHER"
    }
   ]
  },
  {
   "id": "p6",
   "label": "B_HUM",
   "at": [
    4,
    13
   ],
   "to": "board B, its HUM pad"
  },
  {
   "id": "p7",
   "label": "B_SQ",
   "at": [
    4,
    22
   ],
   "to": "board B, its SQ pad"
  },
  {
   "id": "p8",
   "label": "B_BREACH",
   "at": [
    7,
    20
   ],
   "to": "board B, its BREACH pad"
  },
  {
   "id": "p9",
   "label": "BREACH_A",
   "at": [
    10,
    20
   ],
   "to": "LED2, the BREACH lamp (red), its anode",
   "parts": [
    {
     "id": "LED2",
     "kind": "led",
     "lug": "A",
     "value": "red",
     "role": "BREACH"
    }
   ]
  },
  {
   "id": "p10",
   "label": "HELD_A",
   "at": [
    11,
    14
   ],
   "to": "LED1, the HELD lamp (green), its anode",
   "parts": [
    {
     "id": "LED1",
     "kind": "led",
     "lug": "A",
     "value": "green",
     "role": "HELD"
    }
   ]
  },
  {
   "id": "p11",
   "label": "LED_K",
   "at": [
    9,
    12
   ],
   "to": "LED1 and LED2, their cathodes",
   "parts": [
    {
     "id": "LED1",
     "kind": "led",
     "lug": "K",
     "value": "green",
     "role": "HELD"
    },
    {
     "id": "LED2",
     "kind": "led",
     "lug": "K",
     "value": "red",
     "role": "BREACH"
    }
   ]
  },
  {
   "id": "p12",
   "label": "B_LFO",
   "at": [
    9,
    28
   ],
   "to": "board B, its LFO pad"
  },
  {
   "id": "p13",
   "label": "B_9V",
   "at": [
    0,
    29
   ],
   "to": "board B, its +9V pad"
  },
  {
   "id": "p14",
   "label": "B_GND",
   "at": [
    2,
    29
   ],
   "to": "board B, its GND pad"
  }
 ],
 "netlist": "# Haunt Detector HD-C1, board A: the tether\n# 12 strips of 30 holes, 2 chips, both soldered straight in. UNBUILT.\n#\n# The whip on ANT reaches IC1 pin 3 through R1; R2 (10M) biases it at VREF,\n# half the supply from R7 and R8. IC1A gains the pickup by 11 (R3 over R4,\n# C4 keeps the DC gain at one) and IC1B by 2 to 102 more, set by the TETHER\n# pot with R5 in series. IC2A squares the result into SQ.\n# Each rising edge of SQ pumps a little charge through C7, D2 and D3 onto\n# HOLD (C8, drained by R10). While the edges keep coming HOLD stays high;\n# stop them for a second or two and it falls, IC2B flips BREACH high and\n# IC2C drops HELD. R11 and R12 feed the two lamps.\n# IC2D, with R14 and C9, is a slow square wave for the siren on board B.\n# D1, a 1N5817, stops a battery put in backwards.\n# Six wires go to board B: B_9V, B_GND, B_SQ, B_BREACH, B_LFO and B_HUM.\n\nVIN:       @VIN D1.A\n+9V:       D1.B IC1.8 IC2.14 R7.A C17.A C18.A @B_9V\nGND:       @GND @B_GND @LED_K IC1.4 IC2.7 IC2.11 IC2.13 R8.B C6.B C4.B C5.B D2.A C8.B R10.B C9.B C17.B C18.B\nVREF:      R7.B R8.A C6.A R2.B\nANT:       @ANT R1.A\nIN1:       R1.B R2.A IC1.3\nFB1:       IC1.2 R3.B C3.B R4.A\nRGA:       R4.B C4.A\nOUT1:      IC1.1 R3.A C3.A IC1.5\nFB2:       IC1.6 R6.A @TETHER_L\nRGB:       R6.B C5.A\nT:         R5.B @TETHER_W\nOUT2:      IC1.7 R5.A R9.A @B_HUM\nSQIN:      R9.B IC2.1\nSQ:        IC2.2 C7.A @B_SQ\nP:         C7.B D2.B D3.A\nHOLD:      D3.B C8.A R10.A IC2.3\nBREACH:    IC2.4 IC2.5 R11.A @B_BREACH\nHELD:      IC2.6 R12.A\nBREACH_A:  R11.B @BREACH_A\nHELD_A:    R12.B @HELD_A\nLFOIN:     IC2.9 R14.B C9.A\nLFO:       IC2.8 R14.A @B_LFO\nNC_IC2_10: IC2.10\nNC_IC2_12: IC2.12\n",
 "offboard": [
  "BT1.+ - SW1.1"
 ]
}
