{
  "signal": [
    {
      "name": "origin_A",
      "wave": "0...1.....0..."
    },
    {
      "name": "origin_B",
      "wave": "0...1.....0...",
      "node": "....a.....b..."
    },
    {
      "name": "pwm_A",
      "wave": "0...1.....0..."
    },
    {
      "name": "pwm_B",
      "wave": "0....1.....0..",
      "node": ".....c.....d..."
    }
  ],
  "edge": [
    "a|->c RED",
    "b|->d FED"
  ],
  "head": {
    "text": "Bypass A, RED + FED on B"
  }
}