ESP32-S2-MINI-1-N4

{
  "schema_version": 1,
  "type": "component",
  "slug": "esp32-s2-mini-1-n4",
  "title": "ESP32-S2-MINI-1-N4",
  "brief": "Espressif Systems RF and Wireless, 56-VFQFN Exposed Pad. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "rf and wireless",
    "esp32-s2-mini-1-n4",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ESP32-S2-MINI-1-N4",
    "manufacturer": "Espressif Systems",
    "package": "56-VFQFN Exposed Pad",
    "pin_count": 65,
    "category": "RF and Wireless",
    "subcategory": "RF and Wireless",
    "datasheet": "https://www.espressif.com/sites/default/files/documentation/esp32-s2-mini-1_esp32-s2-mini-1u_datasheet_en.pdf",
    "parts": {
      "symbol": "esp32-s2-mini-1-n4.kicad_sym",
      "footprint": "esp32-s2-mini-1-n4.kicad_mod",
      "model_3d": "esp32-s2-mini-1-n4-etched.glb",
      "model_3d_plain": "esp32-s2-mini-1-n4.glb",
      "model_3d_step": "esp32-s2-mini-1-n4-etched.step",
      "model_3d_step_plain": "esp32-s2-mini-1-n4.step",
      "lbr": "esp32-s2-mini-1-n4.lbr"
    },
    "distributor_links": {
      "digikey": "1904-ESP32-S2-MINI-1-N4TR-ND",
      "mouser": "356-ESP32-S2-MINI-1"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T17:43:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1904-ESP32-S2-MINI-1-N4TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "356-ESP32-S2-MINI-1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "3",
        "name": "3V3",
        "type": "power_in",
        "description": "Power supply, recommended 3.0 to 3.6 V (3.3 V typ), with at least 0.5 A delivered by the external supply."
      },
      {
        "number": "4",
        "name": "IO0",
        "type": "bidirectional",
        "description": "RTC_GPIO0/GPIO0; strapping pin (default pull-up) that selects SPI boot when 1 and Download Boot when 0 together with GPIO46."
      },
      {
        "number": "5",
        "name": "IO1",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions RTC_GPIO1, GPIO1, TOUCH1, ADC1_CH0."
      },
      {
        "number": "6",
        "name": "IO2",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions RTC_GPIO2, GPIO2, TOUCH2, ADC1_CH1."
      },
      {
        "number": "7",
        "name": "IO3",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions RTC_GPIO3, GPIO3, TOUCH3, ADC1_CH2."
      },
      {
        "number": "8",
        "name": "IO4",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions RTC_GPIO4, GPIO4, TOUCH4, ADC1_CH3."
      },
      {
        "number": "9",
        "name": "IO5",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions RTC_GPIO5, GPIO5, TOUCH5, ADC1_CH4."
      },
      {
        "number": "10",
        "name": "IO6",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions RTC_GPIO6, GPIO6, TOUCH6, ADC1_CH5."
      },
      {
        "number": "11",
        "name": "IO7",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions RTC_GPIO7, GPIO7, TOUCH7, ADC1_CH6."
      },
      {
        "number": "12",
        "name": "IO8",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions RTC_GPIO8, GPIO8, TOUCH8, ADC1_CH7."
      },
      {
        "number": "13",
        "name": "IO9",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions RTC_GPIO9, GPIO9, TOUCH9, ADC1_CH8, FSPIHD."
      },
      {
        "number": "14",
        "name": "IO10",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions RTC_GPIO10, GPIO10, TOUCH10, ADC1_CH9, FSPICS0, FSPIIO4."
      },
      {
        "number": "15",
        "name": "IO11",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions RTC_GPIO11, GPIO11, TOUCH11, ADC2_CH0, FSPID, FSPIIO5."
      },
      {
        "number": "16",
        "name": "IO12",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions RTC_GPIO12, GPIO12, TOUCH12, ADC2_CH1, FSPICLK, FSPIIO6."
      },
      {
        "number": "17",
        "name": "IO13",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions RTC_GPIO13, GPIO13, TOUCH13, ADC2_CH2, FSPIQ, FSPIIO7."
      },
      {
        "number": "18",
        "name": "IO14",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions RTC_GPIO14, GPIO14, TOUCH14, ADC2_CH3, FSPIWP, FSPIDQS."
      },
      {
        "number": "19",
        "name": "IO15",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions RTC_GPIO15, GPIO15, U0RTS, ADC2_CH4, XTAL_32K_P."
      },
      {
        "number": "20",
        "name": "IO16",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions RTC_GPIO16, GPIO16, U0CTS, ADC2_CH5, XTAL_32K_N."
      },
      {
        "number": "21",
        "name": "IO17",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions RTC_GPIO17, GPIO17, U1TXD, ADC2_CH6, DAC_1."
      },
      {
        "number": "22",
        "name": "IO18",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions RTC_GPIO18, GPIO18, U1RXD, ADC2_CH7, DAC_2, CLK_OUT3."
      },
      {
        "number": "23",
        "name": "IO19",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions RTC_GPIO19, GPIO19, U1RTS, ADC2_CH8, CLK_OUT2, USB D-."
      },
      {
        "number": "24",
        "name": "IO20",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions RTC_GPIO20, GPIO20, U1CTS, ADC2_CH9, CLK_OUT1, USB D+."
      },
      {
        "number": "25",
        "name": "IO21",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions RTC_GPIO21, GPIO21."
      },
      {
        "number": "26",
        "name": "IO26",
        "type": "bidirectional",
        "description": "SPICS1/GPIO26; used by the embedded PSRAM only on the N4R2 variants, so it is a usable GPIO on the -N4 module."
      },
      {
        "number": "27",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "28",
        "name": "IO33",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions SPIIO4, GPIO33, FSPIHD."
      },
      {
        "number": "29",
        "name": "IO34",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions SPIIO5, GPIO34, FSPICS0."
      },
      {
        "number": "30",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "31",
        "name": "IO35",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions SPIIO6, GPIO35, FSPID."
      },
      {
        "number": "32",
        "name": "IO36",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions SPIIO7, GPIO36, FSPICLK."
      },
      {
        "number": "33",
        "name": "IO37",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions SPIDQS, GPIO37, FSPIQ."
      },
      {
        "number": "34",
        "name": "IO38",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions GPIO38, FSPIWP."
      },
      {
        "number": "35",
        "name": "IO39",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions MTCK, GPIO39, CLK_OUT3."
      },
      {
        "number": "36",
        "name": "IO40",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions MTDO, GPIO40, CLK_OUT2."
      },
      {
        "number": "37",
        "name": "IO41",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions MTDI, GPIO41, CLK_OUT1."
      },
      {
        "number": "38",
        "name": "IO42",
        "type": "bidirectional",
        "description": "General-purpose I/O with functions MTMS, GPIO42."
      },
      {
        "number": "39",
        "name": "TXD0",
        "type": "bidirectional",
        "description": "UART0 transmit U0TXD / GPIO43 / CLK_OUT1; also the default ROM message output."
      },
      {
        "number": "40",
        "name": "RXD0",
        "type": "bidirectional",
        "description": "UART0 receive U0RXD / GPIO44 / CLK_OUT2."
      },
      {
        "number": "41",
        "name": "IO45",
        "type": "bidirectional",
        "description": "GPIO45; strapping pin (default pull-down) that selects the VDD_SPI voltage."
      },
      {
        "number": "42",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "43",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "44",
        "name": "IO46",
        "type": "input",
        "description": "GPIO46 input only; strapping pin (default pull-down) that controls boot mode together with GPIO0 and ROM message printing."
      },
      {
        "number": "45",
        "name": "EN",
        "type": "input",
        "description": "Chip enable: high turns the chip on, low powers it off; do not leave floating."
      },
      {
        "number": "46",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "47",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "48",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "49",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "50",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "51",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "52",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "53",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "54",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "55",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "56",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "57",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "58",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "59",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "60",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "61",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; this is the EPAD, and soldering it to the base board ground is optional but improves thermal performance."
      },
      {
        "number": "62",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "63",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "64",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "65",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Package hint '56-VFQFN Exposed Pad' does not match this datasheet: ESP32-S2-MINI-1-N4 is a 65-pin mo; Pin 61 is labelled EPAD in the schematics and listed as GND in Table 3. I typed it power_in.; Table 3 types are I/O/T (input, output, high-impedance). I mapped them to bidirectional. The datashe",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 34,
        "cost_usd": 0.3049,
        "at": "2026-10-28T17:44:25"
      },
      "datasheet": {
        "url": "https://www.espressif.com/sites/default/files/documentation/esp32-s2-mini-1_esp32-s2-mini-1u_datasheet_en.pdf",
        "pages": 34,
        "sha256": "06999476c9d1dede",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 65,
        "described": 65,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "esp32-s2-mini-1-n4.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15.4,
          20,
          2.399
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 2.3,
        "footprint_binding": "identity",
        "sha256": "ac43a7c1e3774703c929c9190d83cf2748c0d5681dcfa7c2ca59016a0778a9e3",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "esp32-s2-mini-1-n4-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15.4,
          20,
          2.399
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 2.3,
        "footprint_binding": "identity",
        "sha256": "fad56ea539314e8b76b4b4daeac2d966d4954bcbf87ac7bb7619e280338f2037",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Espressif Systems",
      "Package": "56-VFQFN Exposed Pad",
      "Category": "RF and Wireless",
      "Pins": "65"
    },
    "appearance": {
      "contacts": {
        "quote": "CONTACT MATERIAL: COPPER ALLOY, GOLD PLATED ALL OVER;",
        "page": 27,
        "doc": "ds.pdf",
        "material": "COPPER ALLOY",
        "plating": "gold"
      },
      "housing": {
        "quote": "HOUSING MATERIAL: THERMOPLASTIC, WHITE, UL 94V-0;",
        "page": 27,
        "doc": "ds.pdf",
        "material": "THERMOPLASTIC"
      },
      "shell": {
        "quote": "SHELL MATERIAL: COPPER ALLOY, GOLD PLATED ALL OVER;",
        "page": 27,
        "doc": "ds.pdf",
        "material": "COPPER ALLOY",
        "plating": "gold"
      },
      "version": 1,
      "datasheet_sha256": "06999476c9d1dede2e6828384dc79aa1e7935059e0fc8349e51f0c962fcfa882"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "06999476c9d1dede2e6828384dc79aa1e7935059e0fc8349e51f0c962fcfa882",
      "rows": [
        {
          "name": "Power supply voltage",
          "symbol": "VDD33",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTORE",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Power supply voltage",
          "symbol": "VDD33",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Current delivered by external power supply",
          "symbol": "IVDD",
          "kind": "recommended_operating",
          "unit": "A",
          "min": 0.5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature (85 °C version)",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "85 °C version",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "High-level input current",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Low-level input current",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 15,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "esp32-s2-mini-1-n4"
  ],
  "discovery_pitch": "ESP32-S2-MINI-1-N4 (Espressif Systems) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "esp32-s2-mini-1-n4.kicad_sym",
    "esp32-s2-mini-1-n4.kicad_mod",
    "esp32-s2-mini-1-n4.glb",
    "esp32-s2-mini-1-n4.step",
    "esp32-s2-mini-1-n4.lbr",
    "docs/hero.png",
    "docs/esp32-s2-mini-1-n4-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
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  "visibility": {
    "public": true
  }
}