ESP32-WROVER-E-N16R2

{
  "schema_version": 1,
  "type": "component",
  "slug": "esp32-wrover-e-n16r2",
  "title": "ESP32-WROVER-E-N16R2",
  "brief": "Espressif Systems RF and Wireless, 38-SMD Module. 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-wrover-e-n16r2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ESP32-WROVER-E-N16R2",
    "manufacturer": "Espressif Systems",
    "package": "38-SMD Module",
    "pin_count": 39,
    "category": "RF and Wireless",
    "subcategory": "RF and Wireless",
    "datasheet": "https://www.espressif.com/sites/default/files/documentation/esp32-wrover-e_esp32-wrover-ie_datasheet_en.pdf",
    "parts": {
      "symbol": "esp32-wrover-e-n16r2.kicad_sym",
      "footprint": "esp32-wrover-e-n16r2.kicad_mod",
      "model_3d": "esp32-wrover-e-n16r2-etched.glb",
      "model_3d_plain": "esp32-wrover-e-n16r2.glb",
      "model_3d_step": "esp32-wrover-e-n16r2-etched.step",
      "model_3d_step_plain": "esp32-wrover-e-n16r2.step",
      "lbr": "esp32-wrover-e-n16r2.lbr"
    },
    "distributor_links": {
      "digikey": "1965-ESP32-WROVER-E-N16R2TR-ND",
      "mouser": "356-ESP32WRVREN16R2"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T17:55:13Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1965-ESP32-WROVER-E-N16R2TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "356-ESP32WRVREN16R2",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the module."
      },
      {
        "number": "2",
        "name": "3V3",
        "type": "power_in",
        "description": "Module power supply input; VDD33 is specified at 3.0 V to 3.6 V (3.3 V typical), with an external supply able to deliver at least 0.5 A."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Module-enable signal, active high; an RC delay (about 10 kΩ and 1 µF) at this pin is recommended to keep chip power-up stable."
      },
      {
        "number": "4",
        "name": "SENSOR_VP",
        "type": "input",
        "description": "Input-only GPIO36 that can also serve as ADC1_CH0 and RTC_GPIO0."
      },
      {
        "number": "5",
        "name": "SENSOR_VN",
        "type": "input",
        "description": "Input-only GPIO39 that can also serve as ADC1_CH3 and RTC_GPIO3."
      },
      {
        "number": "6",
        "name": "IO34",
        "type": "input",
        "description": "Input-only GPIO34 that can also serve as ADC1_CH6 and RTC_GPIO4."
      },
      {
        "number": "7",
        "name": "IO35",
        "type": "input",
        "description": "Input-only GPIO35 that can also serve as ADC1_CH7 and RTC_GPIO5."
      },
      {
        "number": "8",
        "name": "IO32",
        "type": "bidirectional",
        "description": "GPIO32 that can also serve as the 32.768 kHz crystal oscillator input XTAL_32K_P, ADC1_CH4, TOUCH9 and RTC_GPIO9."
      },
      {
        "number": "9",
        "name": "IO33",
        "type": "bidirectional",
        "description": "GPIO33 that can also serve as the 32.768 kHz crystal oscillator output XTAL_32K_N, ADC1_CH5, TOUCH8 and RTC_GPIO8."
      },
      {
        "number": "10",
        "name": "IO25",
        "type": "bidirectional",
        "description": "GPIO25 that can also serve as DAC_1, ADC2_CH8, RTC_GPIO6 and EMAC_RXD0."
      },
      {
        "number": "11",
        "name": "IO26",
        "type": "bidirectional",
        "description": "GPIO26 that can also serve as DAC_2, ADC2_CH9, RTC_GPIO7 and EMAC_RXD1."
      },
      {
        "number": "12",
        "name": "IO27",
        "type": "bidirectional",
        "description": "GPIO27 that can also serve as ADC2_CH7, TOUCH7, RTC_GPIO17 and EMAC_RX_DV."
      },
      {
        "number": "13",
        "name": "IO14",
        "type": "bidirectional",
        "description": "GPIO14 that can also serve as ADC2_CH6, TOUCH6, RTC_GPIO16, MTMS, HSPICLK, HS2_CLK, SD_CLK and EMAC_TXD2."
      },
      {
        "number": "14",
        "name": "IO12",
        "type": "bidirectional",
        "description": "GPIO12 (MTDI) that is a strapping pin controlling the internal LDO (VDD_SDIO) voltage, and the datasheet states it should be kept low when the module is powered on; also ADC2_CH5, TOUCH5, RTC_GPIO15, HSPIQ, HS2_DATA2, SD_DATA2 and EMAC_TXD3."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the module."
      },
      {
        "number": "16",
        "name": "IO13",
        "type": "bidirectional",
        "description": "GPIO13 that can also serve as ADC2_CH4, TOUCH4, RTC_GPIO14, MTCK, HSPID, HS2_DATA3, SD_DATA3 and EMAC_RX_ER."
      },
      {
        "number": "17",
        "name": "NC",
        "type": "unconnected",
        "description": "Not led out on the module; per note 2, the chip's GPIO6 to GPIO11 connect internally to the in-package SPI flash and are not exposed."
      },
      {
        "number": "18",
        "name": "NC",
        "type": "unconnected",
        "description": "Not led out on the module; per note 2, the chip's GPIO6 to GPIO11 connect internally to the in-package SPI flash and are not exposed."
      },
      {
        "number": "19",
        "name": "NC",
        "type": "unconnected",
        "description": "Not led out on the module; per note 2, the chip's GPIO6 to GPIO11 connect internally to the in-package SPI flash and are not exposed."
      },
      {
        "number": "20",
        "name": "NC",
        "type": "unconnected",
        "description": "Not led out on the module; per note 2, the chip's GPIO6 to GPIO11 connect internally to the in-package SPI flash and are not exposed."
      },
      {
        "number": "21",
        "name": "NC",
        "type": "unconnected",
        "description": "Not led out on the module; per note 2, the chip's GPIO6 to GPIO11 connect internally to the in-package SPI flash and are not exposed."
      },
      {
        "number": "22",
        "name": "NC",
        "type": "unconnected",
        "description": "Not led out on the module; per note 2, the chip's GPIO6 to GPIO11 connect internally to the in-package SPI flash and are not exposed."
      },
      {
        "number": "23",
        "name": "IO15",
        "type": "bidirectional",
        "description": "GPIO15 (MTDO) that is a strapping pin controlling U0TXD printing, default pull-up; also ADC2_CH3, TOUCH3, HSPICS0, RTC_GPIO13, HS2_CMD, SD_CMD and EMAC_RXD3."
      },
      {
        "number": "24",
        "name": "IO2",
        "type": "bidirectional",
        "description": "GPIO2 that is a strapping pin for chip boot mode together with GPIO0, default pull-down; also ADC2_CH2, TOUCH2, RTC_GPIO12, HSPIWP, HS2_DATA0 and SD_DATA0."
      },
      {
        "number": "25",
        "name": "IO0",
        "type": "bidirectional",
        "description": "GPIO0 that is a strapping pin for chip boot mode together with GPIO2, default pull-up; also ADC2_CH1, TOUCH1, RTC_GPIO11, CLK_OUT1 and EMAC_TX_CLK."
      },
      {
        "number": "26",
        "name": "IO4",
        "type": "bidirectional",
        "description": "GPIO4 that can also serve as ADC2_CH0, TOUCH0, RTC_GPIO10, HSPIHD, HS2_DATA1, SD_DATA1 and EMAC_TX_ER."
      },
      {
        "number": "27",
        "name": "NC",
        "type": "unconnected",
        "description": "Listed as not connected on the module with no function given in the pin table."
      },
      {
        "number": "28",
        "name": "NC",
        "type": "unconnected",
        "description": "Listed as not connected on the module with no function given in the pin table."
      },
      {
        "number": "29",
        "name": "IO5",
        "type": "bidirectional",
        "description": "GPIO5 that is a strapping pin for SDIO slave timing together with MTDO, default pull-up; also VSPICS0, HS1_DATA6 and EMAC_RX_CLK."
      },
      {
        "number": "30",
        "name": "IO18",
        "type": "bidirectional",
        "description": "GPIO18 that can also serve as VSPICLK and HS1_DATA7."
      },
      {
        "number": "31",
        "name": "IO19",
        "type": "bidirectional",
        "description": "GPIO19 that can also serve as VSPIQ, U0CTS and EMAC_TXD0."
      },
      {
        "number": "32",
        "name": "NC",
        "type": "unconnected",
        "description": "Listed as not connected on the module with no function given in the pin table."
      },
      {
        "number": "33",
        "name": "IO21",
        "type": "bidirectional",
        "description": "GPIO21 that can also serve as VSPIHD and EMAC_TX_EN."
      },
      {
        "number": "34",
        "name": "RXD0",
        "type": "bidirectional",
        "description": "GPIO3 that serves as the UART0 receive pin U0RXD, also CLK_OUT2, used for firmware download and log output."
      },
      {
        "number": "35",
        "name": "TXD0",
        "type": "bidirectional",
        "description": "GPIO1 that serves as the UART0 transmit pin U0TXD, also CLK_OUT3 and EMAC_RXD2, used for firmware download and log output."
      },
      {
        "number": "36",
        "name": "IO22",
        "type": "bidirectional",
        "description": "GPIO22 that can also serve as VSPIWP, U0RTS and EMAC_TXD1."
      },
      {
        "number": "37",
        "name": "IO23",
        "type": "bidirectional",
        "description": "GPIO23 that can also serve as VSPID and HS1_STROBE."
      },
      {
        "number": "38",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the module."
      },
      {
        "number": "39",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed thermal pad (EPAD) tied to ground; soldering it to the base-board ground is optional but improves thermal performance, and too much solder paste can degrade the adhesion of other pins."
      }
    ],
    "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: Pin 39 (EPAD ground) appears in Figure 5 (Pin Layout) and the Figure 11 schematic but is not listed ; Table 3 marks these as NC; the functional descriptions are limited to the datasheet's notes, and no ; The datasheet covers the ESP32-WROVER-E and ESP32-WROVER-IE family; the exact MPN ESP32-WROVER-E-N16"
        ],
        "pages_sent": 30,
        "cost_usd": 0.094,
        "at": "2026-10-28T17:55:42"
      },
      "datasheet": {
        "url": "https://www.espressif.com/sites/default/files/documentation/esp32-wrover-e_esp32-wrover-ie_datasheet_en.pdf",
        "pages": 53,
        "sha256": "611e8506f352225e",
        "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-wrover-e-n16r2.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          18,
          31.4,
          3.3
        ],
        "zmin_mm": -0.001,
        "centre_offset_mm": 3.175,
        "footprint_binding": "identity",
        "sha256": "f6d6a538d5de84e35910ac6260390bfd2a57dcc6debfe81a3208f3b02b0a9d68",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "esp32-wrover-e-n16r2-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          18,
          31.4,
          3.3
        ],
        "zmin_mm": -0.001,
        "centre_offset_mm": 3.175,
        "footprint_binding": "identity",
        "sha256": "e5fb9b4b10a689ac4ec4063fb7cad9f8e2934eb34ac0a770f8e01aaac6f75bbe",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Espressif Systems",
      "Package": "38-SMD Module",
      "Category": "RF and Wireless",
      "Pins": "39"
    },
    "appearance": {
      "contacts": {
        "quote": "Solder — Sn-Ag-Cu (SAC305) lead-free solder alloy Figure 16: Reflow Profile",
        "page": 47,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "611e8506f352225e9ab09b4c2c3286885022b2f77a44ee8f0ab88a6302616f32"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "611e8506f352225e9ab09b4c2c3286885022b2f77a44ee8f0ab88a6302616f32",
      "rows": [
        {
          "name": "Power supply voltage",
          "symbol": "VDD33",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 29,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstore",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 29,
          "source": "datasheet"
        },
        {
          "name": "Power supply voltage",
          "symbol": "VDD33",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "",
          "source_page": 29,
          "source": "datasheet"
        },
        {
          "name": "Current delivered by external power supply",
          "symbol": "IV DD",
          "kind": "recommended_operating",
          "unit": "A",
          "min": 0.5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 29,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "T",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 29,
          "source": "datasheet"
        },
        {
          "name": "Flash power supply voltage (1.8 V)",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 1.65,
          "typ": 1.8,
          "max": 2,
          "conditions": "",
          "source_page": 31,
          "source": "datasheet"
        },
        {
          "name": "Flash power supply voltage (3.3 V)",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "",
          "source_page": 31,
          "source": "datasheet"
        },
        {
          "name": "Flash maximum clock frequency",
          "symbol": "FC",
          "kind": "electrical",
          "unit": "MHz",
          "min": 80,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 31,
          "source": "datasheet"
        },
        {
          "name": "Flash program/erase cycles",
          "symbol": "",
          "kind": "electrical",
          "unit": "cycles",
          "min": 100000,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 31,
          "source": "datasheet"
        },
        {
          "name": "Flash data retention time",
          "symbol": "TRET",
          "kind": "electrical",
          "unit": "years",
          "min": 20,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 31,
          "source": "datasheet"
        },
        {
          "name": "Flash page program time",
          "symbol": "TPP",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 0.8,
          "max": 5,
          "conditions": "",
          "source_page": 31,
          "source": "datasheet"
        },
        {
          "name": "Flash sector erase time (4 KB)",
          "symbol": "TSE",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 70,
          "max": 500,
          "conditions": "",
          "source_page": 31,
          "source": "datasheet"
        },
        {
          "name": "Flash block erase time (32 KB)",
          "symbol": "TBE1",
          "kind": "timing",
          "unit": "s",
          "min": null,
          "typ": 0.2,
          "max": 2,
          "conditions": "",
          "source_page": 31,
          "source": "datasheet"
        },
        {
          "name": "Flash block erase time (64 KB)",
          "symbol": "TBE2",
          "kind": "timing",
          "unit": "s",
          "min": null,
          "typ": 0.3,
          "max": 3,
          "conditions": "",
          "source_page": 31,
          "source": "datasheet"
        },
        {
          "name": "Flash chip erase time (16 Mb)",
          "symbol": "TCE",
          "kind": "timing",
          "unit": "s",
          "min": null,
          "typ": 7,
          "max": 20,
          "conditions": "",
          "source_page": 31,
          "source": "datasheet"
        },
        {
          "name": "PSRAM power supply voltage (1.8 V)",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 1.62,
          "typ": 1.8,
          "max": 1.98,
          "conditions": "",
          "source_page": 31,
          "source": "datasheet"
        },
        {
          "name": "PSRAM power supply voltage (3.3 V)",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "",
          "source_page": 31,
          "source": "datasheet"
        },
        {
          "name": "PSRAM maximum clock frequency",
          "symbol": "FC",
          "kind": "electrical",
          "unit": "MHz",
          "min": 80,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 31,
          "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": 27,
          "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": 27,
          "source": "datasheet"
        },
        {
          "name": "ADC total error after calibration",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": -23,
          "typ": null,
          "max": 23,
          "conditions": "Atten = 0, effective measurement range of 100 ∼ 950 mV",
          "source_page": 27,
          "source": "datasheet"
        },
        {
          "name": "ADC total error after calibration",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "Atten = 1, effective measurement range of 100 ∼ 1250 mV",
          "source_page": 27,
          "source": "datasheet"
        },
        {
          "name": "ADC total error after calibration",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": -40,
          "typ": null,
          "max": 40,
          "conditions": "Atten = 2, effective measurement range of 150 ∼ 1750 mV",
          "source_page": 27,
          "source": "datasheet"
        },
        {
          "name": "ADC total error after calibration",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": -60,
          "typ": null,
          "max": 60,
          "conditions": "Atten = 3, effective measurement range of 150 ∼ 2450 mV",
          "source_page": 27,
          "source": "datasheet"
        },
        {
          "name": "High-level input current",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 29,
          "source": "datasheet"
        },
        {
          "name": "Low-level input current",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 29,
          "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": 30,
          "source": "datasheet"
        },
        {
          "name": "Low-level sink current",
          "symbol": "IOL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 28,
          "max": null,
          "conditions": "VDD1 = 3.3 V, VOL = 0.495 V, output drive strength set to the maximum",
          "source_page": 29,
          "source": "datasheet"
        },
        {
          "name": "High-level source current, VDD3P3_CPU power domain",
          "symbol": "IOH",
          "kind": "electrical",
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