ESP32-S3-MINI-1-N4R2

{
  "schema_version": 1,
  "type": "component",
  "slug": "esp32-s3-mini-1-n4r2",
  "title": "ESP32-S3-MINI-1-N4R2",
  "brief": "Espressif Systems WiFi Modules, ESP32-S3-MINI-1. 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",
    "iot-communication modules",
    "esp32-s3-mini-1-n4r2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ESP32-S3-MINI-1-N4R2",
    "manufacturer": "Espressif Systems",
    "package": "ESP32-S3-MINI-1",
    "pin_count": 65,
    "category": "IoT/Communication Modules",
    "subcategory": "WiFi Modules",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589837995731165184",
    "parts": {
      "symbol": "esp32-s3-mini-1-n4r2.kicad_sym",
      "footprint": "esp32-s3-mini-1-n4r2.kicad_mod",
      "model_3d": "esp32-s3-mini-1-n4r2-etched.glb",
      "model_3d_plain": "esp32-s3-mini-1-n4r2.glb",
      "model_3d_step": "esp32-s3-mini-1-n4r2-etched.step",
      "model_3d_step_plain": "esp32-s3-mini-1-n4r2.step",
      "lbr": "esp32-s3-mini-1-n4r2.lbr"
    },
    "distributor_links": {
      "lcsc": "C3013941",
      "digikey": "1965-ESP32-S3-MINI-1-N4R2TR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T17:47:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1965-ESP32-S3-MINI-1-N4R2TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "3",
        "name": "3V3",
        "type": "power_in",
        "description": "Module supply input; VDD33 must be 3.0-3.6 V (3.3 V typical), with an external supply able to provide at least 0.5 A."
      },
      {
        "number": "4",
        "name": "IO0",
        "type": "bidirectional",
        "description": "RTC_GPIO0 / GPIO0; weak pull-up at reset, and together with GPIO46 it selects the boot mode (both low gives Joint Download Boot)."
      },
      {
        "number": "5",
        "name": "IO1",
        "type": "bidirectional",
        "description": "RTC_GPIO1 / GPIO1 with TOUCH1 and ADC1_CH0 functions."
      },
      {
        "number": "6",
        "name": "IO2",
        "type": "bidirectional",
        "description": "RTC_GPIO2 / GPIO2 with TOUCH2 and ADC1_CH1 functions."
      },
      {
        "number": "7",
        "name": "IO3",
        "type": "bidirectional",
        "description": "RTC_GPIO3 / GPIO3 with no internal pull resistors; its level sets the JTAG signal source at startup and must be driven by a circuit not in high impedance."
      },
      {
        "number": "8",
        "name": "IO4",
        "type": "bidirectional",
        "description": "RTC_GPIO4 / GPIO4 with TOUCH4 and ADC1_CH3 functions."
      },
      {
        "number": "9",
        "name": "IO5",
        "type": "bidirectional",
        "description": "RTC_GPIO5 / GPIO5 with TOUCH5 and ADC1_CH4 functions."
      },
      {
        "number": "10",
        "name": "IO6",
        "type": "bidirectional",
        "description": "RTC_GPIO6 / GPIO6 with TOUCH6 and ADC1_CH5 functions."
      },
      {
        "number": "11",
        "name": "IO7",
        "type": "bidirectional",
        "description": "RTC_GPIO7 / GPIO7 with TOUCH7 and ADC1_CH6 functions."
      },
      {
        "number": "12",
        "name": "IO8",
        "type": "bidirectional",
        "description": "RTC_GPIO8 / GPIO8 with TOUCH8, ADC1_CH7 and SUBSPICS1 functions."
      },
      {
        "number": "13",
        "name": "IO9",
        "type": "bidirectional",
        "description": "RTC_GPIO9 / GPIO9 with TOUCH9, ADC1_CH8, FSPIHD and SUBSPIHD functions."
      },
      {
        "number": "14",
        "name": "IO10",
        "type": "bidirectional",
        "description": "RTC_GPIO10 / GPIO10 with TOUCH10, ADC1_CH9, FSPICS0, FSPIIO4 and SUBSPICS0 functions."
      },
      {
        "number": "15",
        "name": "IO11",
        "type": "bidirectional",
        "description": "RTC_GPIO11 / GPIO11 with TOUCH11, ADC2_CH0, FSPID, FSPIIO5 and SUBSPID functions."
      },
      {
        "number": "16",
        "name": "IO12",
        "type": "bidirectional",
        "description": "RTC_GPIO12 / GPIO12 with TOUCH12, ADC2_CH1, FSPICLK, FSPIIO6 and SUBSPICLK functions."
      },
      {
        "number": "17",
        "name": "IO13",
        "type": "bidirectional",
        "description": "RTC_GPIO13 / GPIO13 with TOUCH13, ADC2_CH2, FSPIQ, FSPIIO7 and SUBSPIQ functions."
      },
      {
        "number": "18",
        "name": "IO14",
        "type": "bidirectional",
        "description": "RTC_GPIO14 / GPIO14 with TOUCH14, ADC2_CH3, FSPIWP, FSPIDQS and SUBSPIWP functions."
      },
      {
        "number": "19",
        "name": "IO15",
        "type": "bidirectional",
        "description": "RTC_GPIO15 / GPIO15 with U0RTS, ADC2_CH4 and XTAL_32K_P functions."
      },
      {
        "number": "20",
        "name": "IO16",
        "type": "bidirectional",
        "description": "RTC_GPIO16 / GPIO16 with U0CTS, ADC2_CH5 and XTAL_32K_N functions."
      },
      {
        "number": "21",
        "name": "IO17",
        "type": "bidirectional",
        "description": "RTC_GPIO17 / GPIO17 with U1TXD and ADC2_CH6 functions."
      },
      {
        "number": "22",
        "name": "IO18",
        "type": "bidirectional",
        "description": "RTC_GPIO18 / GPIO18 with U1RXD, ADC2_CH7 and CLK_OUT3 functions."
      },
      {
        "number": "23",
        "name": "IO19",
        "type": "bidirectional",
        "description": "RTC_GPIO19 / GPIO19 with U1RTS, ADC2_CH8, CLK_OUT2 and USB_D- functions."
      },
      {
        "number": "24",
        "name": "IO20",
        "type": "bidirectional",
        "description": "RTC_GPIO20 / GPIO20 with U1CTS, ADC2_CH9, CLK_OUT1 and USB_D+ functions."
      },
      {
        "number": "25",
        "name": "IO21",
        "type": "bidirectional",
        "description": "RTC_GPIO21 / GPIO21 general-purpose I/O."
      },
      {
        "number": "26",
        "name": "IO26",
        "type": "bidirectional",
        "description": "SPICS1 / GPIO26; on the -N4R2 variant this pin connects to the embedded PSRAM and cannot be used for other functions."
      },
      {
        "number": "27",
        "name": "IO47",
        "type": "bidirectional",
        "description": "SPICLK_P_DIFF / GPIO47 / SUBSPICLK_P_DIFF general-purpose I/O."
      },
      {
        "number": "28",
        "name": "IO33",
        "type": "bidirectional",
        "description": "SPIIO4 / GPIO33 with FSPIHD and SUBSPIHD functions; default function is set by eFuse bits for pins 28-29 and 31-33."
      },
      {
        "number": "29",
        "name": "IO34",
        "type": "bidirectional",
        "description": "SPIIO5 / GPIO34 with FSPICS0 and SUBSPICS0 functions; default function is set by eFuse bits for pins 28-29 and 31-33."
      },
      {
        "number": "30",
        "name": "IO48",
        "type": "bidirectional",
        "description": "SPICLK_N_DIFF / GPIO48 / SUBSPICLK_N_DIFF general-purpose I/O."
      },
      {
        "number": "31",
        "name": "IO35",
        "type": "bidirectional",
        "description": "SPIIO6 / GPIO35 with FSPID and SUBSPID functions; default function is set by eFuse bits for pins 28-29 and 31-33."
      },
      {
        "number": "32",
        "name": "IO36",
        "type": "bidirectional",
        "description": "SPIIO7 / GPIO36 with FSPICLK and SUBSPICLK functions; default function is set by eFuse bits for pins 28-29 and 31-33."
      },
      {
        "number": "33",
        "name": "IO37",
        "type": "bidirectional",
        "description": "SPIDQS / GPIO37 with FSPIQ and SUBSPIQ functions; default function is set by eFuse bits for pins 28-29 and 31-33."
      },
      {
        "number": "34",
        "name": "IO38",
        "type": "bidirectional",
        "description": "GPIO38 with FSPIWP and SUBSPIWP functions."
      },
      {
        "number": "35",
        "name": "IO39",
        "type": "bidirectional",
        "description": "MTCK / GPIO39 with CLK_OUT3 and SUBSPICS1 functions (JTAG clock by default)."
      },
      {
        "number": "36",
        "name": "IO40",
        "type": "bidirectional",
        "description": "MTDO / GPIO40 with CLK_OUT2 function (JTAG data output by default)."
      },
      {
        "number": "37",
        "name": "IO41",
        "type": "bidirectional",
        "description": "MTDI / GPIO41 with CLK_OUT1 function (JTAG data input by default)."
      },
      {
        "number": "38",
        "name": "IO42",
        "type": "bidirectional",
        "description": "MTMS / GPIO42 general-purpose I/O (JTAG mode select by default)."
      },
      {
        "number": "39",
        "name": "TXD0",
        "type": "bidirectional",
        "description": "U0TXD / GPIO43 / CLK_OUT1; UART0 transmit pin that can be set to high impedance."
      },
      {
        "number": "40",
        "name": "RXD0",
        "type": "bidirectional",
        "description": "U0RXD / GPIO44 / CLK_OUT2; UART0 receive pin that can be set to high impedance."
      },
      {
        "number": "41",
        "name": "IO45",
        "type": "bidirectional",
        "description": "GPIO45; strapping pin sampled at reset (internal pull-down, default 0) that selects the VDD_SPI voltage."
      },
      {
        "number": "42",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "43",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "44",
        "name": "IO46",
        "type": "bidirectional",
        "description": "GPIO46; strapping pin sampled at reset (internal pull-down, default 0) that together with GPIO0 sets the boot mode and controls ROM log printing."
      },
      {
        "number": "45",
        "name": "EN",
        "type": "input",
        "description": "Chip enable: high enables the chip, low shuts it down; EN must not be left floating, with reset-release threshold 0.75 × VDD to VDD + 0.3 V and reset threshold up to 0.25 × VDD."
      },
      {
        "number": "46",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection (group of GND pads 46-65, including the thermal pad at pin 61)."
      },
      {
        "number": "47",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "48",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "49",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "50",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "51",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "52",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "53",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "54",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "55",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "56",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "57",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "58",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "59",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "60",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "61",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection; labelled EPAD in the schematic and may be soldered to the host board GND for better heat dissipation."
      },
      {
        "number": "62",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "63",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "64",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "65",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      }
    ],
    "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: The datasheet does not give a package code; the package is described only as a 65-pin module with di; Pin 61 is listed as GND in Table 2 (within range 46–65) but the schematic labels it EPAD; it is incl; Pin 26 (IO26) is available only as a GPIO on other variants. Footnote b states that for orderable co"
        ],
        "pages_sent": 37,
        "cost_usd": 0.128,
        "at": "2026-10-28T17:46:55"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589837995731165184",
        "pages": 37,
        "sha256": "71142b72ce76c5d0",
        "source_tier": "lcsc"
      },
      "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": [
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        "file": "esp32-s3-mini-1-n4r2.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15.4,
          20.5,
          2.4
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 2.55,
        "footprint_binding": "identity",
        "sha256": "3796cf537f57d4b5be5feaef68ef5eb33aa78174e18f4105cb20105a0664d899",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "esp32-s3-mini-1-n4r2-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15.4,
          20.5,
          2.4
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 2.55,
        "footprint_binding": "identity",
        "sha256": "0873d3b3352459f29a337a591f053a0dc0f5ec062a93e8358e750702ba7fd9a7",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Espressif Systems",
      "Package": "ESP32-S3-MINI-1",
      "Category": "IoT/Communication Modules",
      "Pins": "65"
    },
    "appearance": {
      "contacts": {
        "quote": "CONTACT MATERIAL: COPPER ALLOY, GOLD PLATED ALL OVER;",
        "page": 32,
        "doc": "ds.pdf",
        "material": "COPPER ALLOY",
        "plating": "gold"
      },
      "housing": {
        "quote": "HOUSING MATERIAL: THERMOPLASTIC, WHITE, UL 94V-0;",
        "page": 32,
        "doc": "ds.pdf",
        "material": "THERMOPLASTIC"
      },
      "shell": {
        "quote": "SHELL MATERIAL: COPPER ALLOY, GOLD PLATED ALL OVER;",
        "page": 32,
        "doc": "ds.pdf",
        "material": "COPPER ALLOY",
        "plating": "gold"
      },
      "version": 1,
      "datasheet_sha256": "71142b72ce76c5d0f34e69de45c8f4599663f2172dcd6f0380a2d7daad8d4ca4"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "71142b72ce76c5d0f34e69de45c8f4599663f2172dcd6f0380a2d7daad8d4ca4",
      "rows": [
        {
          "name": "电源管脚电压",
          "symbol": "VDD33",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "存储温度",
          "symbol": "TSTORE",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "电源管脚电压",
          "symbol": "VDD33",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "外部电源的供电电流",
          "symbol": "IVDD",
          "kind": "recommended_operating",
          "unit": "A",
          "min": 0.5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "工作环境温度",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "高电平输入电流",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "低电平输入电流",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "管脚电容",
          "symbol": "CIN",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "高电平拉电流",
          "symbol": "IOH",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "VDD1= 3.3 V, VOH >= 2.64 V, PAD_DRIVER = 3",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "低电平灌电流",
          "symbol": "IOL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 28,
          "max": null,
          "conditions": "VDD1= 3.3 V, VOL = 0.495 V, PAD_DRIVER = 3",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "内部弱上拉电阻",
          "symbol": "RPU",
          "kind": "electrical",
          "unit": "kΩ",
          "min": null,
          "typ": 45,
          "max": null,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "内部弱下拉电阻",
          "symbol": "RPD",
          "kind": "electrical",
          "unit": "kΩ",
          "min": null,
          "typ": 45,
          "max": null,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "ESP32-S3-MINI-1-N4R2 (Espressif Systems) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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