0hmX/dual-usb-peltier-assembly

docs/sensor-sourcing.json

{
  "recorded_at_utc": "2026-10-14T11:59:42Z",
  "live_ui_observation_recorded_at_utc": "2026-10-14T11:40:40Z",
  "observation_method": "Read-only live Amazon.com page in local Chrome via native CUA accessibility state; primary page showed a same-day October 14 delivery option. No purchase or cart change.",
  "asin": "B00M1PM55K",
  "url": "https://www.amazon.com/dp/B00M1PM55K",
  "brand": "HiLetgo",
  "listing_title": "HiLetgo 5pcs DS18B20 Temperature Sensor Temperature Probe Stainless Steel Package Waterproof 1M",
  "selected_variant": "Small (five probes)",
  "quantity_used": 2,
  "roles": [
    "HOT",
    "COLD"
  ],
  "observed_purchase_evidence": {
    "status": "In Stock",
    "price_usd": 10.99,
    "buttons_present": [
      "Add to cart",
      "Buy Now"
    ],
    "sold_by": "HiLetgo",
    "ships_from": "Amazon",
    "scope": "Amazon.com US delivery context; delivery and availability elsewhere were not verified."
  },
  "observed_popularity_evidence": {
    "star_rating": 4.5,
    "global_rating_count": 378,
    "past_month_purchase_badge": "100+ bought in past month",
    "badge": "Amazon's Choice",
    "limitation": "Listing-specific observations, not proof of a worldwide most-popular rank."
  },
  "listing_specifications": {
    "advertised_cable_length_m": 1,
    "power_supply_v": [
      3.0,
      5.5
    ],
    "wire_colors": {
      "red": "VCC (board 3V3)",
      "yellow": "DATA",
      "black": "GND"
    },
    "recommended_pullup_ohms": 4700,
    "temperature_range_c": [
      -55,
      125
    ]
  },
  "dimensional_provenance": {
    "probe_body_diameter_mm": null,
    "probe_body_length_mm": null,
    "body_dimensions_status": "Unverified: the live listing does not establish reliable housing dimensions in its accessible text. Generic Amazon item dimensions 7.87 x 7.87 x 5.91 in are not treated as probe-body dimensions.",
    "cad_status": "Illustrative probe-body envelope; not manufacturer CAD or a qualified mechanical-fit model. The cable length follows the selected listing.",
    "primary_gallery_dimension_photo_url": "https://m.media-amazon.com/images/I/61uW8KIlJ9L._SL1000_.jpg",
    "gallery_note": "The exact-ASIN primary gallery asset URL was found, but its dimension annotations were not visually verified. Secondary manuals and other vendors' probe dimensions were not substituted."
  },
  "screenshot": {
    "saved_file": null,
    "limitation": "Native CUA screenshot-save attempt failed when the Sky native pipe closed. Live text evidence was observed successfully before that failure."
  },
  "board_sensor_connector": {
    "mpn": "XY302V-3.5-3P",
    "jlcpcb_code": "C784941",
    "manufacturer": "Ningbo Xinlaiya Elec.",
    "pitch_mm": 3.5,
    "wire_range_awg": [
      16,
      26
    ],
    "pin_order": {
      "1": "3V3/red",
      "2": "DATA/yellow",
      "3": "GND/black"
    },
    "source_url": "https://jlcpcb.com/partdetail/XY302V-3.5-3P/C784941",
    "provenance": "Exact supplier EasyEDA footprint and STEP/OBJ; actual incoming probe wire gauge and color assignment should be checked against the selected listing before wiring."
  }
}