component
ESP32-S3-WROOM-1U-N8
Public Made by Adomby adom
Espressif Systems WiFi Modules, ESP32-S3-WROOM-1U. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "esp32-s3-wroom-1u-n8",
"title": "ESP32-S3-WROOM-1U-N8",
"brief": "Espressif Systems WiFi Modules, ESP32-S3-WROOM-1U. 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-wroom-1u-n8",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ESP32-S3-WROOM-1U-N8",
"manufacturer": "Espressif Systems",
"package": "ESP32-S3-WROOM-1U",
"pin_count": 41,
"category": "IoT/Communication Modules",
"subcategory": "WiFi Modules",
"datasheet": "https://www.espressif.com/sites/default/files/documentation/esp32-s3-wroom-1_wroom-1u_datasheet_en.pdf",
"parts": {
"symbol": "esp32-s3-wroom-1u-n8.kicad_sym",
"footprint": "esp32-s3-wroom-1u-n8.kicad_mod",
"model_3d": "esp32-s3-wroom-1u-n8-hero.glb",
"model_3d_plain": "esp32-s3-wroom-1u-n8-etched.glb",
"model_3d_step": "esp32-s3-wroom-1u-n8-etched.step",
"model_3d_step_plain": "esp32-s3-wroom-1u-n8.step",
"lbr": "esp32-s3-wroom-1u-n8.lbr"
},
"distributor_links": {
"lcsc": "C2980297",
"digikey": "1965-ESP32-S3-WROOM-1U-N8TR-ND",
"mouser": "356-ESP32S3WROOM1UN8"
},
"distributor_check": {
"checked_at": "2026-10-28T17:35:52Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "1965-ESP32-S3-WROOM-1U-N8TR-ND",
"status": "found"
},
"mouser": {
"pn": "356-ESP32S3WROOM1UN8",
"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 pin; Table 6-2 gives VDD33 as 3.0 V min, 3.3 V typical and 3.6 V max."
},
{
"number": "3",
"name": "EN",
"type": "input",
"description": "Chip enable: high turns the chip on and low powers it off, and the pin must not be left floating."
},
{
"number": "4",
"name": "IO4",
"type": "bidirectional",
"description": "GPIO4 with RTC_GPIO4, TOUCH4 and ADC1_CH3 functions listed."
},
{
"number": "5",
"name": "IO5",
"type": "bidirectional",
"description": "GPIO5 with RTC_GPIO5, TOUCH5 and ADC1_CH4 functions listed."
},
{
"number": "6",
"name": "IO6",
"type": "bidirectional",
"description": "GPIO6 with RTC_GPIO6, TOUCH6 and ADC1_CH5 functions listed."
},
{
"number": "7",
"name": "IO7",
"type": "bidirectional",
"description": "GPIO7 with RTC_GPIO7, TOUCH7 and ADC1_CH6 functions listed."
},
{
"number": "8",
"name": "IO15",
"type": "bidirectional",
"description": "GPIO15 with RTC_GPIO15, U0RTS, ADC2_CH4 and XTAL_32K_P functions listed."
},
{
"number": "9",
"name": "IO16",
"type": "bidirectional",
"description": "GPIO16 with RTC_GPIO16, U0CTS, ADC2_CH5 and XTAL_32K_N functions listed."
},
{
"number": "10",
"name": "IO17",
"type": "bidirectional",
"description": "GPIO17 with RTC_GPIO17, U1TXD and ADC2_CH6 functions listed."
},
{
"number": "11",
"name": "IO18",
"type": "bidirectional",
"description": "GPIO18 with RTC_GPIO18, U1RXD, ADC2_CH7 and CLK_OUT3 functions listed."
},
{
"number": "12",
"name": "IO8",
"type": "bidirectional",
"description": "GPIO8 with RTC_GPIO8, TOUCH8, ADC1_CH7 and SUBSPICS1 functions listed."
},
{
"number": "13",
"name": "IO19",
"type": "bidirectional",
"description": "GPIO19 with RTC_GPIO19, U1RTS, ADC2_CH8, CLK_OUT2 and USB_D- functions listed."
},
{
"number": "14",
"name": "IO20",
"type": "bidirectional",
"description": "GPIO20 with RTC_GPIO20, U1CTS, ADC2_CH9, CLK_OUT1 and USB_D+ functions listed."
},
{
"number": "15",
"name": "IO3",
"type": "bidirectional",
"description": "GPIO3 with RTC_GPIO3, TOUCH3 and ADC1_CH2 functions listed."
},
{
"number": "16",
"name": "IO46",
"type": "bidirectional",
"description": "GPIO46 is listed with no alternate function in Table 3-1."
},
{
"number": "17",
"name": "IO9",
"type": "bidirectional",
"description": "GPIO9 with RTC_GPIO9, TOUCH9, ADC1_CH8, FSPIHD and SUBSPIHD functions listed."
},
{
"number": "18",
"name": "IO10",
"type": "bidirectional",
"description": "GPIO10 with RTC_GPIO10, TOUCH10, ADC1_CH9, FSPICS0, FSPIIO4 and SUBSPICS0 functions listed."
},
{
"number": "19",
"name": "IO11",
"type": "bidirectional",
"description": "GPIO11 with RTC_GPIO11, TOUCH11, ADC2_CH0, FSPID, FSPIIO5 and SUBSPID functions listed."
},
{
"number": "20",
"name": "IO12",
"type": "bidirectional",
"description": "GPIO12 with RTC_GPIO12, TOUCH12, ADC2_CH1, FSPICLK, FSPIIO6 and SUBSPICLK functions listed."
},
{
"number": "21",
"name": "IO13",
"type": "bidirectional",
"description": "GPIO13 with RTC_GPIO13, TOUCH13, ADC2_CH2, FSPIQ, FSPIIO7 and SUBSPIQ functions listed."
},
{
"number": "22",
"name": "IO14",
"type": "bidirectional",
"description": "GPIO14 with RTC_GPIO14, TOUCH14, ADC2_CH3, FSPIWP, FSPIDQS and SUBSPIWP functions listed."
},
{
"number": "23",
"name": "IO21",
"type": "bidirectional",
"description": "GPIO21 with RTC_GPIO21 function listed."
},
{
"number": "24",
"name": "IO47",
"type": "bidirectional",
"description": "GPIO47 with SPICLK_P_DIFF and SUBSPICLK_P_DIFF functions listed; its working voltage is 1.8 V only on modules with ESP32-S3R16V."
},
{
"number": "25",
"name": "IO48",
"type": "bidirectional",
"description": "GPIO48 with SPICLK_N_DIFF and SUBSPICLK_N_DIFF functions listed; its working voltage is 1.8 V only on modules with ESP32-S3R16V."
},
{
"number": "26",
"name": "IO45",
"type": "bidirectional",
"description": "GPIO45 function listed with no alternate function in Table 3-1."
},
{
"number": "27",
"name": "IO0",
"type": "bidirectional",
"description": "RTC_GPIO0 and GPIO0 functions listed."
},
{
"number": "28",
"name": "IO35",
"type": "bidirectional",
"description": "SPIIO6, GPIO35, FSPID and SUBSPID functions listed; the default function is set by eFuse, and the pin is unavailable on modules with Octal SPI PSRAM."
},
{
"number": "29",
"name": "IO36",
"type": "bidirectional",
"description": "SPIIO7, GPIO36, FSPICLK and SUBSPICLK functions listed; the default function is set by eFuse, and the pin is unavailable on modules with Octal SPI PSRAM."
},
{
"number": "30",
"name": "IO37",
"type": "bidirectional",
"description": "SPIDQS, GPIO37, FSPIQ and SUBSPIQ functions listed; the default function is set by eFuse, and the pin is unavailable on modules with Octal SPI PSRAM."
},
{
"number": "31",
"name": "IO38",
"type": "bidirectional",
"description": "GPIO38, FSPIWP and SUBSPIWP functions listed."
},
{
"number": "32",
"name": "IO39",
"type": "bidirectional",
"description": "MTCK, GPIO39, CLK_OUT3 and SUBSPICS1 functions listed."
},
{
"number": "33",
"name": "IO40",
"type": "bidirectional",
"description": "MTDO, GPIO40 and CLK_OUT2 functions listed."
},
{
"number": "34",
"name": "IO41",
"type": "bidirectional",
"description": "MTDI, GPIO41 and CLK_OUT1 functions listed."
},
{
"number": "35",
"name": "IO42",
"type": "bidirectional",
"description": "MTMS and GPIO42 functions listed."
},
{
"number": "36",
"name": "RXD0",
"type": "bidirectional",
"description": "U0RXD, GPIO44 and CLK_OUT2 functions listed."
},
{
"number": "37",
"name": "TXD0",
"type": "bidirectional",
"description": "U0TXD, GPIO43 and CLK_OUT1 functions listed."
},
{
"number": "38",
"name": "IO2",
"type": "bidirectional",
"description": "RTC_GPIO2, GPIO2, TOUCH2 and ADC1_CH1 functions listed."
},
{
"number": "39",
"name": "IO1",
"type": "bidirectional",
"description": "RTC_GPIO1, GPIO1, TOUCH1 and ADC1_CH0 functions listed."
},
{
"number": "40",
"name": "GND",
"type": "power_in",
"description": "Ground pin of the module."
},
{
"number": "41",
"name": "EPAD",
"type": "power_in",
"description": "Ground thermal pad; soldering it to the base-board ground is optional but improves thermal performance, and excess solder paste can raise the module gap."
}
],
"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 MPN is ESP32-S3-WROOM-1U-N8, but the excerpt does not include Table 1-2 (ESP32-S3-WROOM-1U Serie; The octal PSRAM footnote (b) for IO35-IO37 and the 1.8 V footnote (c) for IO47/IO48 apply to ESP32-S; Pins 28-30 have their default function set by an eFuse bit, per the Table 3-1 footnote a."
],
"pages_sent": 28,
"cost_usd": 0.1356,
"at": "2026-10-28T17:34:26"
},
"datasheet": {
"url": "https://www.espressif.com/sites/default/files/documentation/esp32-s3-wroom-1_wroom-1u_datasheet_en.pdf",
"pages": 53,
"sha256": "27d71971da07c280",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 41,
"described": 41,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "esp32-s3-wroom-1u-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,
"centre_offset_mm": 0.62,
"footprint_binding": "identity",
"sha256": "7bb18347a15c5a4cbdae6ec1f369f8dc5d6d6d0d71a277bc0518290b12c88845",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "esp32-s3-wroom-1u-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,
"centre_offset_mm": 0.62,
"footprint_binding": "identity",
"sha256": "6ffdb306595ff6dd7893c5461deb8988d8212673237d16275fe00c3d0b552f88",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Espressif Systems",
"Package": "ESP32-S3-WROOM-1U",
"Category": "IoT/Communication Modules",
"Pins": "41"
},
"appearance": {
"contacts": {
"quote": "Solder: Sn-Ag-Cu (SAC305) lead-free solder Temperature (°C)",
"page": 47,
"doc": "ds.pdf",
"plating": "tin"
},
"version": 1,
"datasheet_sha256": "27d71971da07c280c6068d08c74720d1a25b8f20cf8494dc1765bdd28d40d435"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "27d71971da07c280c6068d08c74720d1a25b8f20cf8494dc1765bdd28d40d435",
"rows": [
{
"name": "Power supply voltage",
"symbol": "VDD33",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
"conditions": "",
"source_page": 27,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "TSTORE",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 105,
"conditions": "",
"source_page": 27,
"source": "datasheet"
},
{
"name": "Power supply voltage",
"symbol": "VDD33",
"kind": "recommended_operating",
"unit": "V",
"min": 3,
"typ": 3.3,
"max": 3.6,
"conditions": "",
"source_page": 27,
"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": 27,
"source": "datasheet"
},
{
"name": "Operating ambient temperature",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "85 °C version",
"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": 27,
"source": "datasheet"
},
{
"name": "Low-level input current",
"symbol": "IIL",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 27,
"source": "datasheet"
},
{
"name": "Current for Wi-Fi TX, 802.11b, 1 Mbps (Peak column)",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 355,
"conditions": "Active (RF working), TX, 802.11b, 1 Mbps, @20.5 dBm",
"source_page": 28,
"source": "datasheet"
},
{
"name": "Current for Wi-Fi TX, 802.11g, 54 Mbps (Peak column)",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 297,
"conditions": "Active (RF working), TX, 802.11g, 54 Mbps, @18 dBm",
"source_page": 28,
"source": "datasheet"
},
{
"name": "Current for Wi-Fi TX, 802.11n HT20 MCS 7 (Peak column)",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 286,
"conditions": "Active (RF working), TX, 802.11n, HT20, MCS 7, @17.5 dBm",
"source_page": 28,
"source": "datasheet"
},
{
"name": "Current for Wi-Fi TX, 802.11n HT40 MCS 7 (Peak column)",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 285,
"conditions": "Active (RF working), TX, 802.11n, HT40, MCS 7, @17 dBm",
"source_page": 28,
"source": "datasheet"
},
{
"name": "Current for Wi-Fi RX (Peak column)",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 95,
"conditions": "Active (RF working), RX, 802.11b/g/n, HT20",
"source_page": 28,
"source": "datasheet"
},
{
"name": "Current for Wi-Fi RX (Peak column)",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 97,
"conditions": "Active (RF working), RX, 802.11n, HT40",
"source_page": 28,
"source": "datasheet"
},
{
"name": "Current for Bluetooth LE TX (Peak column)",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 344,
"conditions": "Active (RF working), TX, Bluetooth LE @ 20.0 dBm",
"source_page": 28,
"source": "datasheet"
},
{
"name": "Current for Bluetooth LE TX (Peak column)",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 202,
"conditions": "Active (RF working), TX, Bluetooth LE @ 9.0 dBm",
"source_page": 28,
"source": "datasheet"
},
{
"name": "Current for Bluetooth LE TX (Peak column)",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 187,
"conditions": "Active (RF working), TX, Bluetooth LE @ 0 dBm",
"source_page": 28,
"source": "datasheet"
},
{
"name": "Current for Bluetooth LE TX (Peak column)",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 119,
"conditions": "Active (RF working), TX, Bluetooth LE @ –15.0 dBm",
"source_page": 28,
"source": "datasheet"
},
{
"name": "Current for Bluetooth LE RX (Peak column)",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 93,
"conditions": "Active (RF working), RX, Bluetooth LE",
"source_page": 28,
"source": "datasheet"
},
{
"name": "Sensitivity",
"symbol": "",
"kind": "electrical",
"unit": "dBm",
"min": null,
"typ": null,
"max": -96.5,
"conditions": "Bluetooth LE 1 Mbps, @30.8% PER",
"source_page": 36,
"source": "datasheet"
},
{
"name": "Maximum received signal",
"symbol": "",
"kind": "electrical",
"unit": "dBm",
"min": null,
"typ": null,
"max": 8,
"conditions": "Bluetooth LE 1 Mbps, @30.8% PER",
"source_page": 36,
"source": "datasheet"
},
{
"name": "Sensitivity",
"symbol": "",
"kind": "electrical",
"unit": "dBm",
"min": null,
"typ": null,
"max": -92,
"conditions": "Bluetooth LE 2 Mbps, @30.8% PER",
"source_page": 36,
"source": "datasheet"
},
{
"name": "Maximum received signal",
"symbol": "",
"kind": "electrical",
"unit": "dBm",
"min": null,
"typ": null,
"max": 3,
"conditions": "Bluetooth LE 2 Mbps, @30.8% PER",
"source_page": 37,
"source": "datasheet"
},
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