ESP32-S2-MINI-1-N4R2

{
  "slug": "esp32-s2-mini-1-n4r2",
  "version": "0.1.0",
  "type": "component",
  "description": "Espressif Systems RF and Wireless, 65-SMD Module. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "rf and wireless",
    "esp32-s2-mini-1-n4r2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "esp32-s2-mini-1-n4r2.kicad_sym",
    "esp32-s2-mini-1-n4r2.kicad_mod",
    "esp32-s2-mini-1-n4r2.glb",
    "esp32-s2-mini-1-n4r2.step",
    "esp32-s2-mini-1-n4r2.lbr",
    "docs/hero.png",
    "docs/esp32-s2-mini-1-n4r2-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "ESP32-S2-MINI-1-N4R2",
    "manufacturer": "Espressif Systems",
    "package": "65-SMD Module",
    "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-n4r2.kicad_sym",
      "footprint": "esp32-s2-mini-1-n4r2.kicad_mod",
      "model_3d": "esp32-s2-mini-1-n4r2-etched.glb",
      "model_3d_plain": "esp32-s2-mini-1-n4r2.glb",
      "model_3d_step": "esp32-s2-mini-1-n4r2-etched.step",
      "model_3d_step_plain": "esp32-s2-mini-1-n4r2.step",
      "lbr": "esp32-s2-mini-1-n4r2.lbr"
    },
    "distributor_links": {
      "digikey": "1965-ESP32-S2-MINI-1-N4R2TR-ND",
      "mouser": "356-ESP32S2MINI1N4R2"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T17:48:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1965-ESP32-S2-MINI-1-N4R2TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "356-ESP32S2MINI1N4R2",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the datasheet lists GND on pins 1, 2, 30, 42, 43 and 46-65 as the module ground."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the datasheet lists GND on pins 1, 2, 30, 42, 43 and 46-65 as the module ground."
      },
      {
        "number": "3",
        "name": "3V3",
        "type": "power_in",
        "description": "Module supply input; VDD33 is 3.0 V min, 3.3 V typ and 3.6 V max, and the external supply must deliver at least 0.5 A."
      },
      {
        "number": "4",
        "name": "IO0",
        "type": "bidirectional",
        "description": "RTC_GPIO0 / GPIO0; strapping pin for boot mode with GPIO46, pulled up by default at reset."
      },
      {
        "number": "5",
        "name": "IO1",
        "type": "bidirectional",
        "description": "RTC_GPIO1, GPIO1, TOUCH1 and ADC1_CH0 multifunction I/O."
      },
      {
        "number": "6",
        "name": "IO2",
        "type": "bidirectional",
        "description": "RTC_GPIO2, GPIO2, TOUCH2 and ADC1_CH1 multifunction I/O."
      },
      {
        "number": "7",
        "name": "IO3",
        "type": "bidirectional",
        "description": "RTC_GPIO3, GPIO3, TOUCH3 and ADC1_CH2 multifunction I/O."
      },
      {
        "number": "8",
        "name": "IO4",
        "type": "bidirectional",
        "description": "RTC_GPIO4, GPIO4, TOUCH4 and ADC1_CH3 multifunction I/O."
      },
      {
        "number": "9",
        "name": "IO5",
        "type": "bidirectional",
        "description": "RTC_GPIO5, GPIO5, TOUCH5 and ADC1_CH4 multifunction I/O."
      },
      {
        "number": "10",
        "name": "IO6",
        "type": "bidirectional",
        "description": "RTC_GPIO6, GPIO6, TOUCH6 and ADC1_CH5 multifunction I/O."
      },
      {
        "number": "11",
        "name": "IO7",
        "type": "bidirectional",
        "description": "RTC_GPIO7, GPIO7, TOUCH7 and ADC1_CH6 multifunction I/O."
      },
      {
        "number": "12",
        "name": "IO8",
        "type": "bidirectional",
        "description": "RTC_GPIO8, GPIO8, TOUCH8 and ADC1_CH7 multifunction I/O."
      },
      {
        "number": "13",
        "name": "IO9",
        "type": "bidirectional",
        "description": "RTC_GPIO9, GPIO9, TOUCH9, ADC1_CH8 and FSPIHD multifunction I/O."
      },
      {
        "number": "14",
        "name": "IO10",
        "type": "bidirectional",
        "description": "RTC_GPIO10, GPIO10, TOUCH10, ADC1_CH9, FSPICS0 and FSPIIO4 multifunction I/O."
      },
      {
        "number": "15",
        "name": "IO11",
        "type": "bidirectional",
        "description": "RTC_GPIO11, GPIO11, TOUCH11, ADC2_CH0, FSPID and FSPIIO5 multifunction I/O."
      },
      {
        "number": "16",
        "name": "IO12",
        "type": "bidirectional",
        "description": "RTC_GPIO12, GPIO12, TOUCH12, ADC2_CH1, FSPICLK and FSPIIO6 multifunction I/O."
      },
      {
        "number": "17",
        "name": "IO13",
        "type": "bidirectional",
        "description": "RTC_GPIO13, GPIO13, TOUCH13, ADC2_CH2, FSPIQ and FSPIIO7 multifunction I/O."
      },
      {
        "number": "18",
        "name": "IO14",
        "type": "bidirectional",
        "description": "RTC_GPIO14, GPIO14, TOUCH14, ADC2_CH3, FSPIWP and FSPIDQS multifunction I/O."
      },
      {
        "number": "19",
        "name": "IO15",
        "type": "bidirectional",
        "description": "RTC_GPIO15, GPIO15, U0RTS, ADC2_CH4 and XTAL_32K_P multifunction I/O."
      },
      {
        "number": "20",
        "name": "IO16",
        "type": "bidirectional",
        "description": "RTC_GPIO16, GPIO16, U0CTS, ADC2_CH5 and XTAL_32K_N multifunction I/O."
      },
      {
        "number": "21",
        "name": "IO17",
        "type": "bidirectional",
        "description": "RTC_GPIO17, GPIO17, U1TXD, ADC2_CH6 and DAC_1 multifunction I/O."
      },
      {
        "number": "22",
        "name": "IO18",
        "type": "bidirectional",
        "description": "RTC_GPIO18, GPIO18, U1RXD, ADC2_CH7, DAC_2 and CLK_OUT3 multifunction I/O."
      },
      {
        "number": "23",
        "name": "IO19",
        "type": "bidirectional",
        "description": "RTC_GPIO19, GPIO19, U1RTS, ADC2_CH8, CLK_OUT2 and USB_D- multifunction I/O."
      },
      {
        "number": "24",
        "name": "IO20",
        "type": "bidirectional",
        "description": "RTC_GPIO20, GPIO20, U1CTS, ADC2_CH9, CLK_OUT1 and USB_D+ multifunction I/O."
      },
      {
        "number": "25",
        "name": "IO21",
        "type": "bidirectional",
        "description": "RTC_GPIO21 and GPIO21 multifunction I/O."
      },
      {
        "number": "26",
        "name": "IO26",
        "type": "bidirectional",
        "description": "SPICS1 and GPIO26; used by the embedded PSRAM on ESP32-S2-MINI-1-N4R2 and cannot be used for other purposes."
      },
      {
        "number": "27",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; listed as NC in the pin definitions."
      },
      {
        "number": "28",
        "name": "IO33",
        "type": "bidirectional",
        "description": "SPIIO4, GPIO33 and FSPIHD multifunction I/O."
      },
      {
        "number": "29",
        "name": "IO34",
        "type": "bidirectional",
        "description": "SPIIO5, GPIO34 and FSPICS0 multifunction I/O."
      },
      {
        "number": "30",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; part of the module ground set (pins 1, 2, 30, 42, 43 and 46-65)."
      },
      {
        "number": "31",
        "name": "IO35",
        "type": "bidirectional",
        "description": "SPIIO6, GPIO35 and FSPID multifunction I/O."
      },
      {
        "number": "32",
        "name": "IO36",
        "type": "bidirectional",
        "description": "SPIIO7, GPIO36 and FSPICLK multifunction I/O."
      },
      {
        "number": "33",
        "name": "IO37",
        "type": "bidirectional",
        "description": "SPIDQS, GPIO37 and FSPIQ multifunction I/O."
      },
      {
        "number": "34",
        "name": "IO38",
        "type": "bidirectional",
        "description": "GPIO38 and FSPIWP multifunction I/O."
      },
      {
        "number": "35",
        "name": "IO39",
        "type": "bidirectional",
        "description": "MTCK, GPIO39 and CLK_OUT3 multifunction I/O."
      },
      {
        "number": "36",
        "name": "IO40",
        "type": "bidirectional",
        "description": "MTDO, GPIO40 and CLK_OUT2 multifunction I/O."
      },
      {
        "number": "37",
        "name": "IO41",
        "type": "bidirectional",
        "description": "MTDI, GPIO41 and CLK_OUT1 multifunction I/O."
      },
      {
        "number": "38",
        "name": "IO42",
        "type": "bidirectional",
        "description": "MTMS and GPIO42 multifunction I/O."
      },
      {
        "number": "39",
        "name": "TXD0",
        "type": "bidirectional",
        "description": "U0TXD, GPIO43 and CLK_OUT1; default pin for ROM message printing during boot."
      },
      {
        "number": "40",
        "name": "RXD0",
        "type": "bidirectional",
        "description": "U0RXD, GPIO44 and CLK_OUT2 multifunction I/O."
      },
      {
        "number": "41",
        "name": "IO45",
        "type": "bidirectional",
        "description": "GPIO45; strapping pin for VDD_SPI voltage, with an internal pull-down at reset."
      },
      {
        "number": "42",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; part of the module ground set (pins 1, 2, 30, 42, 43 and 46-65)."
      },
      {
        "number": "43",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; part of the module ground set (pins 1, 2, 30, 42, 43 and 46-65)."
      },
      {
        "number": "44",
        "name": "IO46",
        "type": "input",
        "description": "GPIO46 input; strapping pin that controls boot mode and ROM message printing, with an internal pull-down at reset."
      },
      {
        "number": "45",
        "name": "EN",
        "type": "input",
        "description": "Chip enable: High turns the chip on, Low powers it off, and the pin must not be left floating."
      },
      {
        "number": "46",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; part of the module ground set (pins 46-65)."
      },
      {
        "number": "47",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; part of the module ground set (pins 46-65)."
      },
      {
        "number": "48",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; part of the module ground set (pins 46-65)."
      },
      {
        "number": "49",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; part of the module ground set (pins 46-65)."
      },
      {
        "number": "50",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; part of the module ground set (pins 46-65)."
      },
      {
        "number": "51",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; part of the module ground set (pins 46-65)."
      },
      {
        "number": "52",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; part of the module ground set (pins 46-65)."
      },
      {
        "number": "53",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; part of the module ground set (pins 46-65)."
      },
      {
        "number": "54",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; part of the module ground set (pins 46-65)."
      },
      {
        "number": "55",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; part of the module ground set (pins 46-65)."
      },
      {
        "number": "56",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; part of the module ground set (pins 46-65)."
      },
      {
        "number": "57",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; part of the module ground set (pins 46-65)."
      },
      {
        "number": "58",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; part of the module ground set (pins 46-65)."
      },
      {
        "number": "59",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; part of the module ground set (pins 46-65)."
      },
      {
        "number": "60",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; part of the module ground set (pins 46-65)."
      },
      {
        "number": "61",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed thermal pad tied to ground; soldering it to the base board ground is optional and should use the correct amount of paste."
      },
      {
        "number": "62",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; part of the module ground set (pins 46-65)."
      },
      {
        "number": "63",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; part of the module ground set (pins 46-65)."
      },
      {
        "number": "64",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; part of the module ground set (pins 46-65)."
      },
      {
        "number": "65",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; part of the module ground set (pins 46-65)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Table 3 footnote: IO26 is used by the embedded PSRAM on ESP32-S2-MINI-1-N4R2 and cannot be used for ; Datasheet says not to leave EN floating; it recommends an RC delay (about R = 10 kΩ, C = 1 µF) at EN; Pin 61 is listed in the GND range 46–65 and in Figure 7 as EPAD; the datasheet gives it as an option"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0827,
        "at": "2026-10-28T17:49:34"
      },
      "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-n4r2.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15.4,
          20.0,
          2.399
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 2.3,
        "footprint_binding": "identity",
        "sha256": "1dedc5bc79b3b98cce6c72150103cab0bbb4c0ff4939a99898dfc167b0a3c1da",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "esp32-s2-mini-1-n4r2-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15.4,
          20.0,
          2.399
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 2.3,
        "footprint_binding": "identity",
        "sha256": "c20753212f820ad58b61d4e93401a6b099608cbc86148813301c899818e435df",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}