BME690 v2.0

{
  "schema_version": 1,
  "type": "component",
  "slug": "bme690-v2",
  "title": "BME690 v2.0",
  "brief": "8x8 mm KiCad molecule for the Bosch BME690 4-in-1 gas/temp/humidity/pressure sensor. I2C with 2.2k pull-ups, 0402 passives.",
  "version": "2.0.0",
  "tags": [],
  "license": "MIT",
  "sample_prompts": [
    {
      "label": "BME690",
      "prompt": "Find the BME690 environmental sensor molecule"
    },
    {
      "label": "Air quality",
      "prompt": "I need an air quality sensor molecule"
    },
    {
      "label": "Gas sensor",
      "prompt": "What gas sensor molecules do we have?"
    },
    {
      "label": "BME690 BOM",
      "prompt": "Show the BOM for the BME690 molecule"
    }
  ],
  "component": {
    "mpn": "BME690 v2.0",
    "manufacturer": "",
    "package": "",
    "pin_count": null,
    "category": "molecule",
    "subcategory": "",
    "body_size": null,
    "parts": {},
    "distributor_links": {}
  },
  "readme": "# BME690 Molecule v2.0\n\nKiCad 9 molecule breakout for the **Bosch BME690** — a 4-in-1 environmental sensor with gas (VOC), temperature, humidity, and barometric pressure sensing plus an on-chip AI gas scanner.\n\n## Overview\n\n| Parameter | Value |\n|-----------|-------|\n| IC | BME690 (Bosch Sensortec, LGA-8, 3x3 mm) |\n| Interface | I2C (default addr 0x76, SDO to GND) |\n| Board size | 8 x 8 mm |\n| Passives | 0402 |\n| LCSC PN | C42431867 |\n\n## BOM\n\n| Ref | Value | Package | LCSC |\n|-----|-------|---------|------|\n| U1 | BME690 | LGA-8 3x3 mm | C42431867 |\n| R1, R2 | 2.2k (I2C pull-ups) | 0402 | C25879 |\n| R3 | 10k (CSB pull-up) | 0402 | C25744 |\n| C1, C2 | 100 nF (bypass) | 0402 | C1525 |\n\n## Contacts\n\n4 machine-pin contacts + 4 machine-contact pads for Adom baseboard integration.\n\n## Design Notes\n\n- I2C pull-ups are 2.2k — works for both 100 kHz and 400 kHz modes\n- CSB tied high via 10k to select I2C mode (vs SPI)\n- SDO tied to GND for I2C address 0x76\n- Decoupling caps placed close to VDD and VDDIO pins\n- Gas sensor inlet on top of IC — keep clear of conformal coating and enclosure obstructions\n\n## Source\n\n- **GitHub**: [adom-inc/bosch-molecules/BME690_Molecule](https://github.com/adom-inc/bosch-molecules/tree/main/BME690_Molecule)\n- **Designed in**: KiCad 9\n",
  "author": {
    "name": "Kyle Bergstedt",
    "email": "[email protected]"
  },
  "visibility": {
    "public": true
  },
  "hero": null,
  "discovery_triggers": [],
  "discovery_pitch": null,
  "metadata": {},
  "created_at": "2026-05-28T05:30:57.457Z",
  "updated_at": "2026-05-28T05:30:57.457Z",
  "org": "adom"
}