{
 "version": 2,
 "name": "555 Theremin",
 "board": {
  "rows": 9,
  "cols": 18
 },
 "cuts": [
  "2,6",
  "3,6",
  "4,6",
  "5,6"
 ],
 "parts": [
  {
   "id": "e11vfi",
   "kind": "link",
   "ref": "J1",
   "value": "",
   "pins": [
    [
     1,
     2
    ],
    [
     2,
     2
    ]
   ]
  },
  {
   "id": "e2f7ki",
   "kind": "link",
   "ref": "J2",
   "value": "",
   "pins": [
    [
     0,
     11
    ],
    [
     2,
     11
    ]
   ]
  },
  {
   "id": "e3imbp",
   "kind": "link",
   "ref": "J3",
   "value": "",
   "pins": [
    [
     0,
     1
    ],
    [
     5,
     1
    ]
   ]
  },
  {
   "id": "e4kc5i",
   "kind": "link",
   "ref": "J4",
   "value": "",
   "pins": [
    [
     3,
     3
    ],
    [
     4,
     10
    ]
   ]
  },
  {
   "id": "e55pfq",
   "kind": "link",
   "ref": "J5",
   "value": "",
   "pins": [
    [
     1,
     16
    ],
    [
     6,
     16
    ]
   ]
  },
  {
   "id": "e6ktae",
   "kind": "res",
   "ref": "R1",
   "value": "1k",
   "pins": [
    [
     0,
     13
    ],
    [
     3,
     13
    ]
   ],
   "device": "fixed"
  },
  {
   "id": "e7fy6a",
   "kind": "res",
   "ref": "R2",
   "value": "100R",
   "pins": [
    [
     7,
     1
    ],
    [
     8,
     4
    ]
   ],
   "device": "fixed"
  },
  {
   "id": "e82yex",
   "kind": "cap",
   "ref": "C1",
   "value": "10n",
   "pins": [
    [
     5,
     14
    ],
    [
     6,
     14
    ]
   ]
  },
  {
   "id": "e91r21",
   "kind": "cap",
   "ref": "C2",
   "value": "100n",
   "pins": [
    [
     4,
     12
    ],
    [
     6,
     12
    ]
   ]
  },
  {
   "id": "eajc61",
   "kind": "ecap",
   "ref": "C3",
   "value": "100u",
   "pins": [
    [
     4,
     0
    ],
    [
     7,
     0
    ]
   ],
   "polarized": true
  },
  {
   "id": "ebjx8j",
   "kind": "ecap",
   "ref": "C4",
   "value": "100u",
   "pins": [
    [
     0,
     15
    ],
    [
     1,
     15
    ]
   ],
   "polarized": true
  }
 ],
 "ics": [
  {
   "id": "ec8gqk",
   "ref": "IC1",
   "part": "NE555",
   "pins": 8,
   "pin1": [
    2,
    5
   ],
   "span": 3,
   "autoCuts": [
    "2,6",
    "3,6",
    "4,6",
    "5,6"
   ]
  }
 ],
 "pads": [
  {
   "id": "eddurb",
   "label": "+5V",
   "at": [
    0,
    0
   ],
   "to": "power module + (set to 5V)"
  },
  {
   "id": "ee4670",
   "label": "GND",
   "at": [
    1,
    0
   ],
   "to": "power module - / speaker return"
  },
  {
   "id": "ef16mt",
   "label": "LDR_A",
   "at": [
    3,
    17
   ],
   "to": "photocell, pin-7 end"
  },
  {
   "id": "egbqeh",
   "label": "LDR_B",
   "at": [
    4,
    16
   ],
   "to": "photocell, pin-6 end"
  },
  {
   "id": "eh6jgd",
   "label": "SPK_B",
   "at": [
    6,
    0
   ],
   "to": "speaker, return leg"
  },
  {
   "id": "eicx5c",
   "label": "SPK_A",
   "at": [
    8,
    0
   ],
   "to": "speaker, hot leg"
  }
 ],
 "netlist": "# 555 Theremin - 9x18\n# 9 strips of 18 holes, 11 parts, 1 chip, 4 cuts\n#\n# This is the circuit as the copper currently has it. Checking the board\n# against it can only pass - its use is to carry the circuit somewhere else.\n\n+5V:      @+5V IC1.4 IC1.8 R1.A C4.A\n\nGND:      @GND @SPK_B IC1.1 C1.B C2.B C4.B\n\nLDR_B:    @LDR_B IC1.2 IC1.6 C2.A\nLDR_A:    @LDR_A IC1.7 R1.B\nIC1_OUT:  IC1.3 C3.A\nIC1_CTRL: IC1.5 C1.A\nR2_A:     R2.A C3.B\nSPK_A:    @SPK_A R2.B"
}