[
  {
    "file": "stepico-cad.svg",
    "title": "STEPico controller",
    "note": "USB-C connector, BOOT / RUN buttons and four on-board LEDs. Detail from the supplied CAD layout.",
    "label": "Builder’s CAD screenshot",
    "source": "/project/fusion360_full_electronics_layout.png",
    "original": "stepico-board.jpg",
    "kind": "Supplied CAD detail",
    "source_image": "Builder-supplied screenshot; embedded unchanged in an SVG viewport.",
    "retrieved": "2026-10-22"
  },
  {
    "file": "ad8232-reference.svg",
    "title": "AD8232 ECG module",
    "note": "Front-view illustration of the ECG breakout. The supplied board photograph identifies 3.3V, GND and OUTPUT.",
    "label": "EIM documentation · supplied screenshot",
    "source": "https://doc.eimtechnology.com/bio-medical-applications",
    "original": "ad8232-board.jpg",
    "kind": "Reference illustration",
    "source_image": "Builder-supplied screenshot; embedded unchanged in an SVG viewport.",
    "retrieved": "2026-10-22"
  },
  {
    "file": "st7789-reference.jpg",
    "title": "ST7789 display",
    "note": "Product reference for the 1.54-inch, 240 × 240, eight-pin SPI display. Check terminal labels on the supplied board.",
    "label": "Product image · Walmart listing",
    "source": "https://www.walmart.com.mx/ip/modulo-de-pantalla-tft-a-todo-color-interfaz-st7789-8pin-del-modulo-240x240-spi-de-la-pantalla-lcd-ips-a-todo-color-de-1-54-pulgadas/00945015740873",
    "original": "st7789-board.jpg",
    "kind": "Product reference photo",
    "source_image": "https://i5.walmartimages.com/asr/8f08cbe2-88c0-4e2a-bc58-f6da92af1f08.876bab420e580c209ea347b4eb58cb38.jpeg?odnBg=FFFFFF&odnHeight=612&odnWidth=612",
    "retrieved": "2026-10-22"
  },
  {
    "file": "max30102-reference.jpg",
    "title": "MAX30102 optical sensor",
    "note": "MH-ET LIVE breakout, shown from the labelled rear. VIN, SDA, SCL and GND are the four connections used in this build.",
    "label": "Product image · Modulemore",
    "source": "https://www.modulemore.com/product/133/%E0%B9%80%E0%B8%8B%E0%B8%99%E0%B9%80%E0%B8%8B%E0%B8%AD%E0%B8%A3%E0%B9%8C%E0%B8%A7%E0%B8%B1%E0%B8%94%E0%B8%AD%E0%B8%B1%E0%B8%95%E0%B8%A3%E0%B8%B2%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%80%E0%B8%95%E0%B9%89%E0%B8%99%E0%B8%AB%E0%B8%B1%E0%B8%A7%E0%B9%83%E0%B8%88-max30102-heart-rate-sensor-module-blood-oxygen-concentration-test-for-u",
    "original": "max30102-board.jpg",
    "kind": "Product reference photo",
    "source_image": "https://dw.lnwfile.com/_/dw/_raw/t2/bq/0j.jpg",
    "retrieved": "2026-10-22"
  },
  {
    "file": "emg-reference.svg",
    "title": "EMG amplifier module",
    "note": "Reference illustration matching the module layout. The supplied board has +VS / GND / -VS and SIG / GND; its amplifier IC remains unconfirmed.",
    "label": "EIM documentation · supplied screenshot",
    "source": "https://doc.eimtechnology.com/bio-medical-applications",
    "original": "emg-board.jpg",
    "kind": "Reference illustration",
    "source_image": "Builder-supplied screenshot; embedded unchanged in an SVG viewport.",
    "retrieved": "2026-10-22"
  }
]