ESP32-WROOM-32UE-N8

{
  "schema_version": 1,
  "type": "component",
  "slug": "esp32-wroom-32ue-n8",
  "title": "ESP32-WROOM-32UE-N8",
  "brief": "Espressif Systems WiFi Modules, ESP32-WROOM-32UE. 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-wroom-32ue-n8",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ESP32-WROOM-32UE-N8",
    "manufacturer": "Espressif Systems",
    "package": "ESP32-WROOM-32UE",
    "pin_count": 39,
    "category": "IoT/Communication Modules",
    "subcategory": "WiFi Modules",
    "datasheet": "https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32e_esp32-wroom-32ue_datasheet_en.pdf",
    "parts": {
      "symbol": "esp32-wroom-32ue-n8.kicad_sym",
      "footprint": "esp32-wroom-32ue-n8.kicad_mod",
      "model_3d": "esp32-wroom-32ue-n8-hero.glb",
      "model_3d_plain": "esp32-wroom-32ue-n8-etched.glb",
      "model_3d_step": "esp32-wroom-32ue-n8-etched.step",
      "model_3d_step_plain": "esp32-wroom-32ue-n8.step",
      "lbr": "esp32-wroom-32ue-n8.lbr"
    },
    "distributor_links": {
      "lcsc": "C701345",
      "digikey": "1965-ESP32-WROOM-32UE-N8TR-ND",
      "mouser": "356-ESP32WRM32UE64UH"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T17:56:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1965-ESP32-WROOM-32UE-N8TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "356-ESP32WRM32UE64UH",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the module."
      },
      {
        "number": "2",
        "name": "3V3",
        "type": "power_in",
        "description": "Module 3.3 V power supply input; Table 14 gives a recommended VDD33 range of 3.0-3.6 V with 3.3 V typical."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Chip enable: high enables the chip, low shuts it down; the pin must not be left floating."
      },
      {
        "number": "4",
        "name": "SENSOR_VP",
        "type": "input",
        "description": "Input-only pin GPIO36, also ADC1_CH0 and RTC_GPIO0."
      },
      {
        "number": "5",
        "name": "SENSOR_VN",
        "type": "input",
        "description": "Input-only pin GPIO39, also ADC1_CH3 and RTC_GPIO3."
      },
      {
        "number": "6",
        "name": "IO34",
        "type": "input",
        "description": "Input-only pin GPIO34, also ADC1_CH6 and RTC_GPIO4."
      },
      {
        "number": "7",
        "name": "IO35",
        "type": "input",
        "description": "Input-only pin GPIO35, also ADC1_CH7 and RTC_GPIO5."
      },
      {
        "number": "8",
        "name": "IO32",
        "type": "bidirectional",
        "description": "GPIO32, also XTAL_32K_P (32.768 kHz crystal input), ADC1_CH4, TOUCH9 and RTC_GPIO9."
      },
      {
        "number": "9",
        "name": "IO33",
        "type": "bidirectional",
        "description": "GPIO33, also XTAL_32K_N (32.768 kHz crystal output), ADC1_CH5, TOUCH8 and RTC_GPIO8."
      },
      {
        "number": "10",
        "name": "IO25",
        "type": "bidirectional",
        "description": "GPIO25, also DAC_1, ADC2_CH8, RTC_GPIO6 and EMAC_RXD0."
      },
      {
        "number": "11",
        "name": "IO26",
        "type": "bidirectional",
        "description": "GPIO26, also DAC_2, ADC2_CH9, RTC_GPIO7 and EMAC_RXD1."
      },
      {
        "number": "12",
        "name": "IO27",
        "type": "bidirectional",
        "description": "GPIO27, also ADC2_CH7, TOUCH7, RTC_GPIO17 and EMAC_RX_DV."
      },
      {
        "number": "13",
        "name": "IO14",
        "type": "bidirectional",
        "description": "GPIO14, also ADC2_CH6, TOUCH6, RTC_GPIO16, MTMS, HSPICLK, HS2_CLK, SD_CLK and EMAC_TXD2."
      },
      {
        "number": "14",
        "name": "IO12",
        "type": "bidirectional",
        "description": "GPIO12, also ADC2_CH5, TOUCH5, RTC_GPIO15, MTDI, HSPIQ, HS2_DATA2, SD_DATA2 and EMAC_TXD3; the module schematic notes it should be kept low at power-on."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "16",
        "name": "IO13",
        "type": "bidirectional",
        "description": "GPIO13, also ADC2_CH4, TOUCH4, RTC_GPIO14, MTCK, HSPID, HS2_DATA3, SD_DATA3 and EMAC_RX_ER."
      },
      {
        "number": "17",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection on this module; note 2 states GPIO6-GPIO11 are tied to the in-package SPI flash and not led out."
      },
      {
        "number": "18",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection on this module; note 2 states GPIO6-GPIO11 are tied to the in-package SPI flash and not led out."
      },
      {
        "number": "19",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection on this module; note 2 states GPIO6-GPIO11 are tied to the in-package SPI flash and not led out."
      },
      {
        "number": "20",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection on this module; note 2 states GPIO6-GPIO11 are tied to the in-package SPI flash and not led out."
      },
      {
        "number": "21",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection on this module; note 2 states GPIO6-GPIO11 are tied to the in-package SPI flash and not led out."
      },
      {
        "number": "22",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection on this module; note 2 states GPIO6-GPIO11 are tied to the in-package SPI flash and not led out."
      },
      {
        "number": "23",
        "name": "IO15",
        "type": "bidirectional",
        "description": "GPIO15, also ADC2_CH3, TOUCH3, MTDO, HSPICS0, RTC_GPIO13, HS2_CMD, SD_CMD and EMAC_RXD3; MTDO is a boot strapping pin."
      },
      {
        "number": "24",
        "name": "IO2",
        "type": "bidirectional",
        "description": "GPIO2, also ADC2_CH2, TOUCH2, RTC_GPIO12, HSPIWP, HS2_DATA0 and SD_DATA0; it is a chip boot mode strapping pin with default pull-down."
      },
      {
        "number": "25",
        "name": "IO0",
        "type": "bidirectional",
        "description": "GPIO0, also ADC2_CH1, TOUCH1, RTC_GPIO11, CLK_OUT1 and EMAC_TX_CLK; it is a chip boot mode strapping pin with default pull-up."
      },
      {
        "number": "26",
        "name": "IO4",
        "type": "bidirectional",
        "description": "GPIO4, also ADC2_CH0, TOUCH0, RTC_GPIO10, HSPIHD, HS2_DATA1, SD_DATA1 and EMAC_TX_ER."
      },
      {
        "number": "27",
        "name": "IO16",
        "type": "bidirectional",
        "description": "GPIO16, also HS1_DATA4, U2RXD and EMAC_CLK_OUT; in variants that embed PSRAM it is connected to the PSRAM and cannot be used for other functions."
      },
      {
        "number": "28",
        "name": "IO17",
        "type": "bidirectional",
        "description": "GPIO17, also HS1_DATA5, U2TXD and EMAC_CLK_OUT_180."
      },
      {
        "number": "29",
        "name": "IO5",
        "type": "bidirectional",
        "description": "GPIO5, also VSPICS0, HS1_DATA6 and EMAC_RX_CLK; it is a strapping pin with default pull-up."
      },
      {
        "number": "30",
        "name": "IO18",
        "type": "bidirectional",
        "description": "GPIO18, also VSPICLK and HS1_DATA7."
      },
      {
        "number": "31",
        "name": "IO19",
        "type": "bidirectional",
        "description": "GPIO19, also VSPIQ, U0CTS and EMAC_TXD0."
      },
      {
        "number": "32",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection on this pin."
      },
      {
        "number": "33",
        "name": "IO21",
        "type": "bidirectional",
        "description": "GPIO21, also VSPIHD and EMAC_TX_EN."
      },
      {
        "number": "34",
        "name": "RXD0",
        "type": "bidirectional",
        "description": "GPIO3, also U0RXD (UART0 receive, used for firmware download and log output) and CLK_OUT2."
      },
      {
        "number": "35",
        "name": "TXD0",
        "type": "bidirectional",
        "description": "GPIO1, also U0TXD (UART0 transmit, used for firmware download and log output), CLK_OUT3 and EMAC_RXD2."
      },
      {
        "number": "36",
        "name": "IO22",
        "type": "bidirectional",
        "description": "GPIO22, also VSPIWP, U0RTS and EMAC_TXD1."
      },
      {
        "number": "37",
        "name": "IO23",
        "type": "bidirectional",
        "description": "GPIO23, also VSPID and HS1_STROBE."
      },
      {
        "number": "38",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "39",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed ground pad (EPAD, labelled P_GND); soldering it to base-board ground is optional and improves thermal performance."
      }
    ],
    "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: Package hint 19.2x18 mm matches the ESP32-WROOM-32UE outline in Figure 11 (19.2±0.15 x 18±0.15 mm). ; The text does not define the '-N8' suffix of the MPN or map it to a flash/PSRAM variant. It only say; Table 3 lists 38 pins (1–38). The EPAD is labelled P_GND 39 in the Figure 9 peripheral schematic and"
        ],
        "pages_sent": 28,
        "cost_usd": 0.09,
        "at": "2026-10-28T17:54:49"
      },
      "datasheet": {
        "url": "https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32e_esp32-wroom-32ue_datasheet_en.pdf",
        "pages": 52,
        "sha256": "4c7a345d1c1bfec3",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 39,
        "described": 39,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "esp32-wroom-32ue-n8.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          18,
          19.2,
          3.2
        ],
        "zmin_mm": -0.001,
        "centre_offset_mm": 0.62,
        "footprint_binding": "identity",
        "sha256": "f9f3b7fcdc0b2f2643f0fd9d4a413fa90d5ebe1814cd303477b8e91e6f8fa3a4",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "esp32-wroom-32ue-n8-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          18,
          19.2,
          3.2
        ],
        "zmin_mm": -0.001,
        "centre_offset_mm": 0.62,
        "footprint_binding": "identity",
        "sha256": "ff6a66ec78ebfc4c0a5767e65042aa4842aa4a130579681c57b29d1e61cdf8cf",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Espressif Systems",
      "Package": "ESP32-WROOM-32UE",
      "Category": "IoT/Communication Modules",
      "Pins": "39"
    },
    "appearance": {
      "contacts": {
        "quote": "Solder — Sn-Ag-Cu (SAC305) lead-free solder alloy Figure 15: Reflow Profile",
        "page": 46,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "4c7a345d1c1bfec34c38665639e39a7f43b79a35a12f6adcc2c7c0f83850f8b8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4c7a345d1c1bfec34c38665639e39a7f43b79a35a12f6adcc2c7c0f83850f8b8",
      "rows": [
        {
          "name": "Power supply voltage",
          "symbol": "VDD33",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 28,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTORE",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 28,
          "source": "datasheet"
        },
        {
          "name": "Power supply voltage",
          "symbol": "VDD33",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "",
          "source_page": 28,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature (85 °C version)",
          "symbol": "T",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "85 °C version",
          "source_page": 28,
          "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": 28,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.25,
          "conditions": "min -0.3; max 0.25×VDD1",
          "source_page": 28,
          "source": "datasheet"
        },
        {
          "name": "High-level input current",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 28,
          "source": "datasheet"
        },
        {
          "name": "Low-level input current",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 28,
          "source": "datasheet"
        },
        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": null,
          "conditions": "min 0.8×VDD1",
          "source_page": 28,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "max 0.1×VDD1",
          "source_page": 28,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage of CHIP_PU to shut down the chip",
          "symbol": "VIL_nRST",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "",
          "source_page": 28,
          "source": "datasheet"
        },
        {
          "name": "Chip erase time (64 Mb)",
          "symbol": "TCE",
          "kind": "electrical",
          "unit": "s",
          "min": null,
          "typ": 25,
          "max": 100,
          "conditions": "",
          "source_page": 30,
          "source": "datasheet"
        },
        {
          "name": "Block erase time (32 KB)",
          "symbol": "TBE1",
          "kind": "electrical",
          "unit": "s",
          "min": null,
          "typ": 0.2,
          "max": 2,
          "conditions": "",
          "source_page": 30,
          "source": "datasheet"
        },
        {
          "name": "Block erase time (64 KB)",
          "symbol": "TBE2",
          "kind": "electrical",
          "unit": "s",
          "min": null,
          "typ": 0.3,
          "max": 3,
          "conditions": "",
          "source_page": 30,
          "source": "datasheet"
        },
        {
          "name": "Page program time",
          "symbol": "TPP",
          "kind": "electrical",
          "unit": "ms",
          "min": null,
          "typ": 0.8,
          "max": 5,
          "conditions": "",
          "source_page": 30,
          "source": "datasheet"
        },
        {
          "name": "Sector erase time (4 KB)",
          "symbol": "TSE",
          "kind": "electrical",
          "unit": "ms",
          "min": null,
          "typ": 70,
          "max": 500,
          "conditions": "",
          "source_page": 30,
          "source": "datasheet"
        },
        {
          "name": "Power supply voltage (3.3 V)",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "Flash, 3.3 V",
          "source_page": 30,
          "source": "datasheet"
        },
        {
          "name": "Maximum clock frequency",
          "symbol": "FC",
          "kind": "electrical",
          "unit": "MHz",
          "min": 80,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 30,
          "source": "datasheet"
        },
        {
          "name": "Program/erase cycles",
          "symbol": "",
          "kind": "electrical",
          "unit": "cycles",
          "min": 100000,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 30,
          "source": "datasheet"
        },
        {
          "name": "Data retention time",
          "symbol": "TRET",
          "kind": "electrical",
          "unit": "years",
          "min": 20,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 30,
          "source": "datasheet"
        },
        {
          "name": "Differential nonlinearity (DNL)",
          "symbol": "",
          "kind": "electrical",
          "unit": "LSB",
          "min": -7,
          "typ": null,
          "max": 7,
          "conditions": "RTC controller; ADC connected to an external 100 nF capacitor; DC signal input; ambient temperature at 25 °C; Wi-Fi&Bluetooth off",
          "source_page": 25,
          "source": "datasheet"
        },
        {
          "name": "Integral nonlinearity (INL)",
          "symbol": "",
          "kind": "electrical",
          "unit": "LSB",
          "min": -12,
          "typ": null,
          "max": 12,
          "conditions": "RTC controller; ADC connected to an external 100 nF capacitor; DC signal input; ambient temperature at 25 °C; Wi-Fi&Bluetooth off",
          "source_page": 25,
          "source": "datasheet"
        },
        {
          "name": "Total error, effective measurement range 100 to 950 mV",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": -23,
          "typ": null,
          "max": 23,
          "conditions": "Atten = 0 after eFuse Vref calibration",
          "source_page": 26,
          "source": "datasheet"
        },
        {
          "name": "Total error, effective measurement range 100 to 1250 mV",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "Atten = 1 after eFuse Vref calibration",
          "source_page": 26,
          "source": "datasheet"
        },
        {
          "name": "Total error, effective measurement range 150 to 1750 mV",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": -40,
          "typ": null,
          "max": 40,
          "conditions": "Atten = 2 after eFuse Vref calibration",
          "source_page": 26,
          "source": "datasheet"
        },
        {
          "name": "Total error, effective measurement range 150 to 2450 mV",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": -60,
          "typ": null,
          "max": 60,
          "conditions": "Atten = 3 after eFuse Vref calibration",
          "source_page": 26,
          "source": "datasheet"
        },
        {
          "name": "TX current, 802.11b, 20 MHz, 1 Mbps, @19.5 dBm",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 239,
          "max": 379,
          "conditions": "3.3 V supply, 25 °C; typ = average, max = peak",
          "source_page": 29,
          "source": "datasheet"
        },
        {
          "name": "TX current, 802.11g, 20 MHz, 54 Mbps, @15 dBm",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 190,
          "max": 276,
          "conditions": "3.3 V supply, 25 °C; typ = average, max = peak",
          "source_page": 29,
          "source": "datasheet"
        },
        {
          "name": "TX current, 802.11n, 20 MHz, MCS7, @13 dBm",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
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