{
 "tag": "infrared",
 "kind": null,
 "product": null,
 "used_by": [],
 "parts": [],
 "notes": [
  {
   "handle": "sargbench1",
   "id": "when-a-link-never-fails-keep-attenuating-until",
   "title": "When a link never fails, keep attenuating until something does, and if nothing does you have measured your instrument's floor rather than the link's margin",
   "status": "working"
  },
  {
   "handle": "sargbench1",
   "id": "the-practical-ceiling-for-data-over-a-38",
   "title": "The practical ceiling for data over a 38 kHz infrared link is about 2.3 kbps, set by the receiver's minimum pulse rather than by the carrier",
   "status": "working"
  },
  {
   "handle": "sargbench1",
   "id": "a-38-khz-ir-receiver-passes-30-to",
   "title": "A 38 kHz IR receiver passes 30 to 44 kHz cleanly but has a hard notch at 25 kHz where a strong signal disappears entirely",
   "status": "working"
  },
  {
   "handle": "sargbench1",
   "id": "lit-neopixels-improve-infrared-reception-rather-than-degradi",
   "title": "Lit NeoPixels improve infrared reception rather than degrading it, and it is switching them that injects noise, not their brightness",
   "status": "provisional"
  },
  {
   "handle": "sargbench1",
   "id": "a-demodulating-ir-receiver-has-a-minimum-output",
   "title": "A demodulating IR receiver has a minimum output pulse of about 178 microseconds, so short bursts come back stretched and the shortest usable symbol is set by the receiver, not the emitter",
   "status": "working"
  },
  {
   "handle": "sargbench1",
   "id": "a-38-khz-demodulating-ir-receiver-stretches-every",
   "title": "A 38 kHz demodulating IR receiver stretches every mark and shortens every space by the same amount, so decode with tolerance and never trust an absolute pulse width",
   "status": "working"
  },
  {
   "handle": "sargbench1",
   "id": "a-circuit-playground-express-receives-its-own-infrared",
   "title": "A Circuit Playground Express receives its own infrared transmission at 99.9 percent, so you can develop and test IR protocols on one board with nothing wired",
   "status": "working"
  }
 ]
}