component
ESP32-WROOM-32E-N16
Public Made by Adomby adom
Espressif Systems WiFi Modules, ESP32-WROOM-32E. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "esp32-wroom-32e-n16",
"version": "0.1.0",
"type": "component",
"description": "Espressif Systems WiFi Modules, ESP32-WROOM-32E. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"iot-communication modules",
"esp32-wroom-32e-n16",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"esp32-wroom-32e-n16.kicad_sym",
"esp32-wroom-32e-n16.kicad_mod",
"esp32-wroom-32e-n16.glb",
"esp32-wroom-32e-n16.step",
"esp32-wroom-32e-n16.lbr",
"docs/hero.png",
"docs/esp32-wroom-32e-n16-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html"
],
"component": {
"mpn": "ESP32-WROOM-32E-N16",
"manufacturer": "Espressif Systems",
"package": "ESP32-WROOM-32E",
"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-32e-n16.kicad_sym",
"footprint": "esp32-wroom-32e-n16.kicad_mod",
"model_3d": "esp32-wroom-32e-n16-etched.glb",
"model_3d_plain": "esp32-wroom-32e-n16.glb",
"model_3d_step": "esp32-wroom-32e-n16-etched.step",
"model_3d_step_plain": "esp32-wroom-32e-n16.step",
"lbr": "esp32-wroom-32e-n16.lbr"
},
"distributor_links": {
"lcsc": "C701343",
"digikey": "5407-ESP32-WROOM-32E-N16TR-ND",
"mouser": "356-ESP32WRM32E128PH"
},
"distributor_check": {
"checked_at": "2026-10-28T17:52:43Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "5407-ESP32-WROOM-32E-N16TR-ND",
"status": "found"
},
"mouser": {
"pn": "356-ESP32WRM32E128PH",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "2",
"name": "3V3",
"type": "power_in",
"description": "Module power supply, recommended 3.0 V to 3.6 V (3.3 V typical) with at least 0.5 A delivered by the external supply."
},
{
"number": "3",
"name": "EN",
"type": "input",
"description": "Chip enable: high turns the chip on, low shuts it down, and the pin must not be left floating."
},
{
"number": "4",
"name": "SENSOR_VP",
"type": "input",
"description": "Input-only pin carrying GPIO36, ADC1_CH0 and RTC_GPIO0."
},
{
"number": "5",
"name": "SENSOR_VN",
"type": "input",
"description": "Input-only pin carrying GPIO39, ADC1_CH3 and RTC_GPIO3."
},
{
"number": "6",
"name": "IO34",
"type": "input",
"description": "Input-only pin carrying GPIO34, ADC1_CH6 and RTC_GPIO4."
},
{
"number": "7",
"name": "IO35",
"type": "input",
"description": "Input-only pin carrying GPIO35, ADC1_CH7 and RTC_GPIO5."
},
{
"number": "8",
"name": "IO32",
"type": "bidirectional",
"description": "GPIO32, also XTAL_32K_P (32.768 kHz crystal oscillator input), ADC1_CH4, TOUCH9 and RTC_GPIO9."
},
{
"number": "9",
"name": "IO33",
"type": "bidirectional",
"description": "GPIO33, also XTAL_32K_N (32.768 kHz crystal oscillator output), ADC1_CH5, TOUCH8 and RTC_GPIO8."
},
{
"number": "10",
"name": "IO25",
"type": "bidirectional",
"description": "GPIO25 with DAC_1, ADC2_CH8, RTC_GPIO6 and EMAC_RXD0 functions."
},
{
"number": "11",
"name": "IO26",
"type": "bidirectional",
"description": "GPIO26 with DAC_2, ADC2_CH9, RTC_GPIO7 and EMAC_RXD1 functions."
},
{
"number": "12",
"name": "IO27",
"type": "bidirectional",
"description": "GPIO27 with ADC2_CH7, TOUCH7, RTC_GPIO17 and EMAC_RX_DV functions."
},
{
"number": "13",
"name": "IO14",
"type": "bidirectional",
"description": "GPIO14 with ADC2_CH6, TOUCH6, RTC_GPIO16, MTMS, HSPICLK, HS2_CLK, SD_CLK and EMAC_TXD2 functions."
},
{
"number": "14",
"name": "IO12",
"type": "bidirectional",
"description": "GPIO12 (MTDI strapping pin, kept low at power-on) with ADC2_CH5, TOUCH5, RTC_GPIO15, HSPIQ, HS2_DATA2, SD_DATA2 and EMAC_TXD3 functions."
},
{
"number": "15",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "16",
"name": "IO13",
"type": "bidirectional",
"description": "GPIO13 with ADC2_CH4, TOUCH4, RTC_GPIO14, MTCK, HSPID, HS2_DATA3, SD_DATA3 and EMAC_RX_ER functions."
},
{
"number": "17",
"name": "NC",
"type": "unconnected",
"description": "No connect; GPIO6 to GPIO11 are connected to the on-module SPI flash and are not led out."
},
{
"number": "18",
"name": "NC",
"type": "unconnected",
"description": "No connect; GPIO6 to GPIO11 are connected to the on-module SPI flash and are not led out."
},
{
"number": "19",
"name": "NC",
"type": "unconnected",
"description": "No connect; GPIO6 to GPIO11 are connected to the on-module SPI flash and are not led out."
},
{
"number": "20",
"name": "NC",
"type": "unconnected",
"description": "No connect; GPIO6 to GPIO11 are connected to the on-module SPI flash and are not led out."
},
{
"number": "21",
"name": "NC",
"type": "unconnected",
"description": "No connect; GPIO6 to GPIO11 are connected to the on-module SPI flash and are not led out."
},
{
"number": "22",
"name": "NC",
"type": "unconnected",
"description": "No connect; GPIO6 to GPIO11 are connected to the on-module SPI flash and are not led out."
},
{
"number": "23",
"name": "IO15",
"type": "bidirectional",
"description": "GPIO15 (MTDO strapping pin) with ADC2_CH3, TOUCH3, HSPICS0, RTC_GPIO13, HS2_CMD, SD_CMD and EMAC_RXD3 functions."
},
{
"number": "24",
"name": "IO2",
"type": "bidirectional",
"description": "GPIO2 (boot strapping pin) with ADC2_CH2, TOUCH2, RTC_GPIO12, HSPIWP, HS2_DATA0 and SD_DATA0 functions."
},
{
"number": "25",
"name": "IO0",
"type": "bidirectional",
"description": "GPIO0 (boot strapping pin) with ADC2_CH1, TOUCH1, RTC_GPIO11, CLK_OUT1 and EMAC_TX_CLK functions."
},
{
"number": "26",
"name": "IO4",
"type": "bidirectional",
"description": "GPIO4 with ADC2_CH0, TOUCH0, RTC_GPIO10, HSPIHD, HS2_DATA1, SD_DATA1 and EMAC_TX_ER functions."
},
{
"number": "27",
"name": "IO16",
"type": "bidirectional",
"description": "GPIO16 with HS1_DATA4, U2RXD and EMAC_CLK_OUT functions; it cannot be used for other functions on variants with embedded PSRAM."
},
{
"number": "28",
"name": "IO17",
"type": "bidirectional",
"description": "GPIO17 with HS1_DATA5, U2TXD and EMAC_CLK_OUT_180 functions."
},
{
"number": "29",
"name": "IO5",
"type": "bidirectional",
"description": "GPIO5 (strapping pin) with VSPICS0, HS1_DATA6 and EMAC_RX_CLK functions."
},
{
"number": "30",
"name": "IO18",
"type": "bidirectional",
"description": "GPIO18 with VSPICLK and HS1_DATA7 functions."
},
{
"number": "31",
"name": "IO19",
"type": "bidirectional",
"description": "GPIO19 with VSPIQ, U0CTS and EMAC_TXD0 functions."
},
{
"number": "32",
"name": "NC",
"type": "unconnected",
"description": "No connect pin with no function listed in the datasheet."
},
{
"number": "33",
"name": "IO21",
"type": "bidirectional",
"description": "GPIO21 with VSPIHD and EMAC_TX_EN functions."
},
{
"number": "34",
"name": "RXD0",
"type": "bidirectional",
"description": "GPIO3 with U0RXD and CLK_OUT2 functions."
},
{
"number": "35",
"name": "TXD0",
"type": "bidirectional",
"description": "GPIO1 with U0TXD, CLK_OUT3 and EMAC_RXD2 functions."
},
{
"number": "36",
"name": "IO22",
"type": "bidirectional",
"description": "GPIO22 with VSPIWP, U0RTS and EMAC_TXD1 functions."
},
{
"number": "37",
"name": "IO23",
"type": "bidirectional",
"description": "GPIO23 with VSPID and HS1_STROBE functions."
},
{
"number": "38",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "39",
"name": "GND",
"type": "power_in",
"description": "Exposed ground pad (EPAD); soldering it to the base-board ground is optional but optimizes 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: Table 3 marks these NC pins as 'See note 2'. The mapping of them to GPIO6 to GPIO11 is inferred from; The exposed thermal pad (EPAD, labeled P_GND 39 in Figure 9) is not listed in Table 3, which states ; Table 1 and Table 2 (Series Comparison, page 3) are not in the provided text, so I could not confirm",
"exposed pad 39 added from the footprint"
],
"pages_sent": 28,
"cost_usd": 0.0885,
"at": "2026-10-28T17:50:10"
},
"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-32e-n16.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
18.0,
25.5,
3.1
],
"zmin_mm": -0.0,
"centre_offset_mm": 3.77,
"footprint_binding": "identity",
"sha256": "ad3b1d24dbdaad5cc2821a4c5f195fcee5e0d4776010ccf98de2be4ae0a61136",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "esp32-wroom-32e-n16-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
18.0,
25.5,
3.1
],
"zmin_mm": -0.0,
"centre_offset_mm": 3.77,
"footprint_binding": "identity",
"sha256": "511a5ad75742ede30015b864cb45a578a58c54560a76fe7d6230586c89f7947e",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}