component
ESP32-S2-MINI-1U-N4R2
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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{
"slug": "esp32-s2-mini-1u-n4r2",
"version": "0.1.0",
"type": "component",
"description": "Espressif Systems RF and Wireless, 65-SMD Module. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"rf and wireless",
"esp32-s2-mini-1u-n4r2",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"esp32-s2-mini-1u-n4r2.kicad_sym",
"esp32-s2-mini-1u-n4r2.kicad_mod",
"esp32-s2-mini-1u-n4r2.glb",
"esp32-s2-mini-1u-n4r2.step",
"esp32-s2-mini-1u-n4r2.lbr",
"docs/hero.png",
"docs/esp32-s2-mini-1u-n4r2-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"esp32-s2-mini-1u-n4r2-hero.glb",
"esp32-s2-mini-1u-n4r2-hero.overlay.json",
"esp32-s2-mini-1u-n4r2-etched.glb"
],
"component": {
"mpn": "ESP32-S2-MINI-1U-N4R2",
"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-n4r2.kicad_sym",
"footprint": "esp32-s2-mini-1u-n4r2.kicad_mod",
"model_3d": "esp32-s2-mini-1u-n4r2-hero.glb",
"model_3d_plain": "esp32-s2-mini-1u-n4r2-etched.glb",
"model_3d_step": "esp32-s2-mini-1u-n4r2-etched.step",
"model_3d_step_plain": "esp32-s2-mini-1u-n4r2.step",
"lbr": "esp32-s2-mini-1u-n4r2.lbr"
},
"distributor_links": {
"digikey": "1965-ESP32-S2-MINI-1U-N4R2TR-ND",
"mouser": "356-ESP32S2MNI1UN4R2"
},
"distributor_check": {
"checked_at": "2026-10-28T17:48:33Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "1965-ESP32-S2-MINI-1U-N4R2TR-ND",
"status": "found"
},
"mouser": {
"pn": "356-ESP32S2MNI1UN4R2",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "3",
"name": "3V3",
"type": "power_in",
"description": "Power supply; recommended VDD33 range is 3.0 V to 3.6 V (typ. 3.3 V) with an absolute maximum of 3.6 V."
},
{
"number": "4",
"name": "IO0",
"type": "bidirectional",
"description": "RTC_GPIO0, GPIO0; strapping pin for chip boot mode, default pull-up (bit value 1)."
},
{
"number": "5",
"name": "IO1",
"type": "bidirectional",
"description": "RTC_GPIO1, GPIO1, TOUCH1, ADC1_CH0."
},
{
"number": "6",
"name": "IO2",
"type": "bidirectional",
"description": "RTC_GPIO2, GPIO2, TOUCH2, ADC1_CH1."
},
{
"number": "7",
"name": "IO3",
"type": "bidirectional",
"description": "RTC_GPIO3, GPIO3, TOUCH3, ADC1_CH2."
},
{
"number": "8",
"name": "IO4",
"type": "bidirectional",
"description": "RTC_GPIO4, GPIO4, TOUCH4, ADC1_CH3."
},
{
"number": "9",
"name": "IO5",
"type": "bidirectional",
"description": "RTC_GPIO5, GPIO5, TOUCH5, ADC1_CH4."
},
{
"number": "10",
"name": "IO6",
"type": "bidirectional",
"description": "RTC_GPIO6, GPIO6, TOUCH6, ADC1_CH5."
},
{
"number": "11",
"name": "IO7",
"type": "bidirectional",
"description": "RTC_GPIO7, GPIO7, TOUCH7, ADC1_CH6."
},
{
"number": "12",
"name": "IO8",
"type": "bidirectional",
"description": "RTC_GPIO8, GPIO8, TOUCH8, ADC1_CH7."
},
{
"number": "13",
"name": "IO9",
"type": "bidirectional",
"description": "RTC_GPIO9, GPIO9, TOUCH9, ADC1_CH8, FSPIHD."
},
{
"number": "14",
"name": "IO10",
"type": "bidirectional",
"description": "RTC_GPIO10, GPIO10, TOUCH10, ADC1_CH9, FSPICS0, FSPIIO4."
},
{
"number": "15",
"name": "IO11",
"type": "bidirectional",
"description": "RTC_GPIO11, GPIO11, TOUCH11, ADC2_CH0, FSPID, FSPIIO5."
},
{
"number": "16",
"name": "IO12",
"type": "bidirectional",
"description": "RTC_GPIO12, GPIO12, TOUCH12, ADC2_CH1, FSPICLK, FSPIIO6."
},
{
"number": "17",
"name": "IO13",
"type": "bidirectional",
"description": "RTC_GPIO13, GPIO13, TOUCH13, ADC2_CH2, FSPIQ, FSPIIO7."
},
{
"number": "18",
"name": "IO14",
"type": "bidirectional",
"description": "RTC_GPIO14, GPIO14, TOUCH14, ADC2_CH3, FSPIWP, FSPIDQS."
},
{
"number": "19",
"name": "IO15",
"type": "bidirectional",
"description": "RTC_GPIO15, GPIO15, U0RTS, ADC2_CH4, XTAL_32K_P."
},
{
"number": "20",
"name": "IO16",
"type": "bidirectional",
"description": "RTC_GPIO16, GPIO16, U0CTS, ADC2_CH5, XTAL_32K_N."
},
{
"number": "21",
"name": "IO17",
"type": "bidirectional",
"description": "RTC_GPIO17, GPIO17, U1TXD, ADC2_CH6, DAC_1; DAC_1 is also the alternative output for ROM messages when eFuse EFUSE_UART_PRINT_CONTROL is 1."
},
{
"number": "22",
"name": "IO18",
"type": "bidirectional",
"description": "RTC_GPIO18, GPIO18, U1RXD, ADC2_CH7, DAC_2, CLK_OUT3."
},
{
"number": "23",
"name": "IO19",
"type": "bidirectional",
"description": "RTC_GPIO19, GPIO19, U1RTS, ADC2_CH8, CLK_OUT2, USB_D-."
},
{
"number": "24",
"name": "IO20",
"type": "bidirectional",
"description": "RTC_GPIO20, GPIO20, U1CTS, ADC2_CH9, CLK_OUT1, USB_D+."
},
{
"number": "25",
"name": "IO21",
"type": "bidirectional",
"description": "RTC_GPIO21, GPIO21."
},
{
"number": "26",
"name": "IO26",
"type": "bidirectional",
"description": "SPICS1, GPIO26; used by the embedded PSRAM on the ESP32-S2-MINI-1-N4R2 and cannot be used for other purposes."
},
{
"number": "27",
"name": "NC",
"type": "unconnected",
"description": "No connection (NC)."
},
{
"number": "28",
"name": "IO33",
"type": "bidirectional",
"description": "SPIIO4, GPIO33, FSPIHD."
},
{
"number": "29",
"name": "IO34",
"type": "bidirectional",
"description": "SPIIO5, GPIO34, FSPICS0."
},
{
"number": "30",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "31",
"name": "IO35",
"type": "bidirectional",
"description": "SPIIO6, GPIO35, FSPID."
},
{
"number": "32",
"name": "IO36",
"type": "bidirectional",
"description": "SPIIO7, GPIO36, FSPICLK."
},
{
"number": "33",
"name": "IO37",
"type": "bidirectional",
"description": "SPIDQS, GPIO37, FSPIQ."
},
{
"number": "34",
"name": "IO38",
"type": "bidirectional",
"description": "GPIO38, FSPIWP."
},
{
"number": "35",
"name": "IO39",
"type": "bidirectional",
"description": "MTCK, GPIO39, CLK_OUT3."
},
{
"number": "36",
"name": "IO40",
"type": "bidirectional",
"description": "MTDO, GPIO40, CLK_OUT2."
},
{
"number": "37",
"name": "IO41",
"type": "bidirectional",
"description": "MTDI, GPIO41, CLK_OUT1."
},
{
"number": "38",
"name": "IO42",
"type": "bidirectional",
"description": "MTMS, GPIO42."
},
{
"number": "39",
"name": "TXD0",
"type": "bidirectional",
"description": "U0TXD, GPIO43, CLK_OUT1; default output for ROM boot messages (U0TXD)."
},
{
"number": "40",
"name": "RXD0",
"type": "bidirectional",
"description": "U0RXD, GPIO44, CLK_OUT2."
},
{
"number": "41",
"name": "IO45",
"type": "bidirectional",
"description": "GPIO45; strapping pin that selects VDD_SPI voltage, default pull-down (bit value 0)."
},
{
"number": "42",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "43",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "44",
"name": "IO46",
"type": "input",
"description": "GPIO46; strapping pin for chip boot mode and ROM message printing, default pull-down (bit value 0)."
},
{
"number": "45",
"name": "EN",
"type": "input",
"description": "High: chip enabled (on); Low: chip powered off; do not leave the EN pin floating."
},
{
"number": "46",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "47",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "48",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "49",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "50",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "51",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "52",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "53",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "54",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "55",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "56",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "57",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "58",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "59",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "60",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "61",
"name": "GND",
"type": "power_in",
"description": "Ground; this is the EPAD, and soldering it to the base-board ground is optional for thermal performance."
},
{
"number": "62",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "63",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "64",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "65",
"name": "GND",
"type": "power_in",
"description": "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: The MPN ESP32-S2-MINI-1-N4R2 is the PCB-antenna variant, and the pin table (Table 3) covers ESP32-S2; Table 3 marks the I/O pins as 'I/O/T', where T means high impedance. These were mapped to KiCad 'bid; Pin 61 is listed as GND in Table 3 but labelled EPAD in the peripheral schematic (Figure 7). It is k"
],
"pages_sent": 18,
"cost_usd": 0.0861,
"at": "2026-10-28T17:49:04"
},
"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-n4r2.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": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "0577e00cdce1590b021d0b9d6870791164510b83fc32e89e30c941dfacc1cad6",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "esp32-s2-mini-1u-n4r2-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": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "b08fa89ecae2e565c2ec164be05e131997fe78f6a2522c403f9caf9f06484a84",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}