component
ESP32-S2-MINI-1U-N4
Public Made by Adomby adom
Espressif Systems RF and Wireless, 65-SMD Module. 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-s2-mini-1u-n4",
"title": "ESP32-S2-MINI-1U-N4",
"brief": "Espressif Systems RF and Wireless, 65-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-s2-mini-1u-n4",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ESP32-S2-MINI-1U-N4",
"manufacturer": "Espressif Systems",
"package": "65-SMD Module",
"pin_count": 65,
"category": "RF and Wireless",
"subcategory": "RF and Wireless",
"datasheet": "https://www.espressif.com/sites/default/files/documentation/esp32-s2-mini-1_esp32-s2-mini-1u_datasheet_en.pdf",
"parts": {
"symbol": "esp32-s2-mini-1u-n4.kicad_sym",
"footprint": "esp32-s2-mini-1u-n4.kicad_mod",
"model_3d": "esp32-s2-mini-1u-n4-hero.glb",
"model_3d_plain": "esp32-s2-mini-1u-n4-etched.glb",
"model_3d_step": "esp32-s2-mini-1u-n4-etched.step",
"model_3d_step_plain": "esp32-s2-mini-1u-n4.step",
"lbr": "esp32-s2-mini-1u-n4.lbr"
},
"distributor_links": {
"digikey": "1965-ESP32-S2-MINI-1U-N4TR-ND",
"mouser": "356-ESP32-S2-MINI-1U"
},
"distributor_check": {
"checked_at": "2026-10-28T17:49:27Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "1965-ESP32-S2-MINI-1U-N4TR-ND",
"status": "found"
},
"mouser": {
"pn": "356-ESP32-S2-MINI-1U",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "3",
"name": "3V3",
"type": "power_in",
"description": "Module power supply; the power supply voltage (VDD33) is 3.0 V minimum, 3.3 V typical and 3.6 V maximum."
},
{
"number": "4",
"name": "IO0",
"type": "bidirectional",
"description": "GPIO0 (also RTC_GPIO0); strapping pin for boot mode with GPIO46, with an internal pull-up that defaults to 1."
},
{
"number": "5",
"name": "IO1",
"type": "bidirectional",
"description": "GPIO1 (also RTC_GPIO1, TOUCH1, ADC1_CH0)."
},
{
"number": "6",
"name": "IO2",
"type": "bidirectional",
"description": "GPIO2 (also RTC_GPIO2, TOUCH2, ADC1_CH1)."
},
{
"number": "7",
"name": "IO3",
"type": "bidirectional",
"description": "GPIO3 (also RTC_GPIO3, TOUCH3, ADC1_CH2)."
},
{
"number": "8",
"name": "IO4",
"type": "bidirectional",
"description": "GPIO4 (also RTC_GPIO4, TOUCH4, ADC1_CH3)."
},
{
"number": "9",
"name": "IO5",
"type": "bidirectional",
"description": "GPIO5 (also RTC_GPIO5, TOUCH5, ADC1_CH4)."
},
{
"number": "10",
"name": "IO6",
"type": "bidirectional",
"description": "GPIO6 (also RTC_GPIO6, TOUCH6, ADC1_CH5)."
},
{
"number": "11",
"name": "IO7",
"type": "bidirectional",
"description": "GPIO7 (also RTC_GPIO7, TOUCH7, ADC1_CH6)."
},
{
"number": "12",
"name": "IO8",
"type": "bidirectional",
"description": "GPIO8 (also RTC_GPIO8, TOUCH8, ADC1_CH7)."
},
{
"number": "13",
"name": "IO9",
"type": "bidirectional",
"description": "GPIO9 (also RTC_GPIO9, TOUCH9, ADC1_CH8, FSPIHD)."
},
{
"number": "14",
"name": "IO10",
"type": "bidirectional",
"description": "GPIO10 (also RTC_GPIO10, TOUCH10, ADC1_CH9, FSPICS0, FSPIIO4)."
},
{
"number": "15",
"name": "IO11",
"type": "bidirectional",
"description": "GPIO11 (also RTC_GPIO11, TOUCH11, ADC2_CH0, FSPID, FSPIIO5)."
},
{
"number": "16",
"name": "IO12",
"type": "bidirectional",
"description": "GPIO12 (also RTC_GPIO12, TOUCH12, ADC2_CH1, FSPICLK, FSPIIO6)."
},
{
"number": "17",
"name": "IO13",
"type": "bidirectional",
"description": "GPIO13 (also RTC_GPIO13, TOUCH13, ADC2_CH2, FSPIQ, FSPIIO7)."
},
{
"number": "18",
"name": "IO14",
"type": "bidirectional",
"description": "GPIO14 (also RTC_GPIO14, TOUCH14, ADC2_CH3, FSPIWP, FSPIDQS)."
},
{
"number": "19",
"name": "IO15",
"type": "bidirectional",
"description": "GPIO15 (also RTC_GPIO15, U0RTS, ADC2_CH4, XTAL_32K_P)."
},
{
"number": "20",
"name": "IO16",
"type": "bidirectional",
"description": "GPIO16 (also RTC_GPIO16, U0CTS, ADC2_CH5, XTAL_32K_N)."
},
{
"number": "21",
"name": "IO17",
"type": "bidirectional",
"description": "GPIO17 (also RTC_GPIO17, U1TXD, ADC2_CH6, DAC_1); DAC_1 is also the alternate ROM message output when EFUSE_UART_PRINT_CONTROL is 1."
},
{
"number": "22",
"name": "IO18",
"type": "bidirectional",
"description": "GPIO18 (also RTC_GPIO18, U1RXD, ADC2_CH7, DAC_2, CLK_OUT3)."
},
{
"number": "23",
"name": "IO19",
"type": "bidirectional",
"description": "GPIO19 (also RTC_GPIO19, U1RTS, ADC2_CH8, CLK_OUT2, USB_D-)."
},
{
"number": "24",
"name": "IO20",
"type": "bidirectional",
"description": "GPIO20 (also RTC_GPIO20, U1CTS, ADC2_CH9, CLK_OUT1, USB_D+)."
},
{
"number": "25",
"name": "IO21",
"type": "bidirectional",
"description": "GPIO21 (also RTC_GPIO21)."
},
{
"number": "26",
"name": "IO26",
"type": "bidirectional",
"description": "GPIO26 (also SPICS1); used by the embedded PSRAM on the N4R2 variants and cannot be used for other purposes there, and the N4 variant has no PSRAM."
},
{
"number": "27",
"name": "NC",
"type": "unconnected",
"description": "Not connected."
},
{
"number": "28",
"name": "IO33",
"type": "bidirectional",
"description": "GPIO33 (also SPIIO4, FSPIHD)."
},
{
"number": "29",
"name": "IO34",
"type": "bidirectional",
"description": "GPIO34 (also SPIIO5, FSPICS0)."
},
{
"number": "30",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "31",
"name": "IO35",
"type": "bidirectional",
"description": "GPIO35 (also SPIIO6, FSPID)."
},
{
"number": "32",
"name": "IO36",
"type": "bidirectional",
"description": "GPIO36 (also SPIIO7, FSPICLK)."
},
{
"number": "33",
"name": "IO37",
"type": "bidirectional",
"description": "GPIO37 (also SPIDQS, FSPIQ)."
},
{
"number": "34",
"name": "IO38",
"type": "bidirectional",
"description": "GPIO38 (also FSPIWP)."
},
{
"number": "35",
"name": "IO39",
"type": "bidirectional",
"description": "GPIO39 (also MTCK, CLK_OUT3)."
},
{
"number": "36",
"name": "IO40",
"type": "bidirectional",
"description": "GPIO40 (also MTDO, CLK_OUT2)."
},
{
"number": "37",
"name": "IO41",
"type": "bidirectional",
"description": "GPIO41 (also MTDI, CLK_OUT1)."
},
{
"number": "38",
"name": "IO42",
"type": "bidirectional",
"description": "GPIO42 (also MTMS)."
},
{
"number": "39",
"name": "TXD0",
"type": "bidirectional",
"description": "UART0 transmit (U0TXD, also GPIO43, CLK_OUT1); default output for ROM boot messages."
},
{
"number": "40",
"name": "RXD0",
"type": "bidirectional",
"description": "UART0 receive (U0RXD, also GPIO44, CLK_OUT2)."
},
{
"number": "41",
"name": "IO45",
"type": "bidirectional",
"description": "GPIO45; strapping pin controlling VDD_SPI voltage at reset, with an internal pull-down that defaults to 0."
},
{
"number": "42",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "43",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "44",
"name": "IO46",
"type": "input",
"description": "GPIO46 input; strapping pin that, with GPIO0, controls boot mode and ROM message printing at reset, with an internal pull-down that defaults to 0."
},
{
"number": "45",
"name": "EN",
"type": "input",
"description": "Chip enable: high enables the chip, low powers it off; do not leave the EN pin floating."
},
{
"number": "46",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "47",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "48",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "49",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "50",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "51",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "52",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "53",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "54",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "55",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "56",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "57",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "58",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "59",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "60",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "61",
"name": "GND",
"type": "power_in",
"description": "Ground pin (the EPAD thermal pad position in the schematic); soldering it to the base board ground is optional and improves thermal performance."
},
{
"number": "62",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "63",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "64",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
},
{
"number": "65",
"name": "GND",
"type": "power_in",
"description": "Ground pin; pins 1, 2, 30, 42, 43 and 46-65 are all ground."
}
],
"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 lists the I/O/T pin type; mapped to KiCad class 'bidirectional' (high-impedance state noted ; Pin 27 is printed as NC in the datasheet; mapped to 'unconnected'.; Pin 61 is labelled GND in Table 3 and EPAD 61 in the schematic; it is the module's thermal pad. Data"
],
"pages_sent": 18,
"cost_usd": 0.0861,
"at": "2026-10-28T17:50:01"
},
"datasheet": {
"url": "https://www.espressif.com/sites/default/files/documentation/esp32-s2-mini-1_esp32-s2-mini-1u_datasheet_en.pdf",
"pages": 34,
"sha256": "06999476c9d1dede",
"source_tier": "mfr"
},
"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": [
{
"file": "esp32-s2-mini-1u-n4.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
15.4,
15.4,
2.399
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "090694a1dcc59db387fdc9e2aa0d785259ff6350fb78632dd030c0b4d3b2e9c9",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "esp32-s2-mini-1u-n4-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
15.4,
15.4,
2.399
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "252afffcbae1a346b7f02d24449ad1c1946b764fc170fd4638bb9227e5847542",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Espressif Systems",
"Package": "65-SMD Module",
"Category": "RF and Wireless",
"Pins": "65"
},
"appearance": {
"contacts": {
"quote": "CONTACT MATERIAL: COPPER ALLOY, GOLD PLATED ALL OVER;",
"page": 27,
"doc": "ds.pdf",
"material": "COPPER ALLOY",
"plating": "gold"
},
"housing": {
"quote": "HOUSING MATERIAL: THERMOPLASTIC, WHITE, UL 94V-0;",
"page": 27,
"doc": "ds.pdf",
"material": "THERMOPLASTIC"
},
"shell": {
"quote": "SHELL MATERIAL: COPPER ALLOY, GOLD PLATED ALL OVER;",
"page": 27,
"doc": "ds.pdf",
"material": "COPPER ALLOY",
"plating": "gold"
},
"version": 1,
"datasheet_sha256": "06999476c9d1dede2e6828384dc79aa1e7935059e0fc8349e51f0c962fcfa882"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "06999476c9d1dede2e6828384dc79aa1e7935059e0fc8349e51f0c962fcfa882",
"rows": [
{
"name": "Power supply voltage",
"symbol": "VDD33",
"kind": "recommended_operating",
"unit": "V",
"min": 3,
"typ": 3.3,
"max": 3.6,
"conditions": "",
"source_page": 15,
"source": "datasheet"
},
{
"name": "Power supply voltage",
"symbol": "VDD33",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
"conditions": "",
"source_page": 15,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "TSTORE",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 105,
"conditions": "",
"source_page": 15,
"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": 15,
"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": 15,
"source": "datasheet"
},
{
"name": "High-level input current",
"symbol": "IIH",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 15,
"source": "datasheet"
},
{
"name": "Low-level input current",
"symbol": "IIL",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 15,
"source": "datasheet"
},
{
"name": "Pin capacitance",
"symbol": "CIN",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": 2,
"max": null,
"conditions": "",
"source_page": 15,
"source": "datasheet"
},
{
"name": "High-level source current",
"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": 15,
"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, PAD_DRIVER = 3",
"source_page": 15,
"source": "datasheet"
},
{
"name": "Pull-up resistor",
"symbol": "RPU",
"kind": "electrical",
"unit": "kΩ",
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