component
ESP32-S3-MINI-1-N4R2
Public Made by Adomby adom
Espressif Systems WiFi Modules, ESP32-S3-MINI-1. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "esp32-s3-mini-1-n4r2",
"version": "0.1.0",
"type": "component",
"description": "Espressif Systems WiFi Modules, ESP32-S3-MINI-1. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"iot-communication modules",
"esp32-s3-mini-1-n4r2",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"esp32-s3-mini-1-n4r2.kicad_sym",
"esp32-s3-mini-1-n4r2.kicad_mod",
"esp32-s3-mini-1-n4r2.glb",
"esp32-s3-mini-1-n4r2.step",
"esp32-s3-mini-1-n4r2.lbr",
"docs/hero.png",
"docs/esp32-s3-mini-1-n4r2-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html"
],
"component": {
"mpn": "ESP32-S3-MINI-1-N4R2",
"manufacturer": "Espressif Systems",
"package": "ESP32-S3-MINI-1",
"pin_count": 65,
"category": "IoT/Communication Modules",
"subcategory": "WiFi Modules",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589837995731165184",
"parts": {
"symbol": "esp32-s3-mini-1-n4r2.kicad_sym",
"footprint": "esp32-s3-mini-1-n4r2.kicad_mod",
"model_3d": "esp32-s3-mini-1-n4r2-etched.glb",
"model_3d_plain": "esp32-s3-mini-1-n4r2.glb",
"model_3d_step": "esp32-s3-mini-1-n4r2-etched.step",
"model_3d_step_plain": "esp32-s3-mini-1-n4r2.step",
"lbr": "esp32-s3-mini-1-n4r2.lbr"
},
"distributor_links": {
"lcsc": "C3013941",
"digikey": "1965-ESP32-S3-MINI-1-N4R2TR-ND"
},
"distributor_check": {
"checked_at": "2026-10-28T17:47:48Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "1965-ESP32-S3-MINI-1-N4R2TR-ND",
"status": "found"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "3",
"name": "3V3",
"type": "power_in",
"description": "Module supply input; VDD33 must be 3.0-3.6 V (3.3 V typical), with an external supply able to provide at least 0.5 A."
},
{
"number": "4",
"name": "IO0",
"type": "bidirectional",
"description": "RTC_GPIO0 / GPIO0; weak pull-up at reset, and together with GPIO46 it selects the boot mode (both low gives Joint Download Boot)."
},
{
"number": "5",
"name": "IO1",
"type": "bidirectional",
"description": "RTC_GPIO1 / GPIO1 with TOUCH1 and ADC1_CH0 functions."
},
{
"number": "6",
"name": "IO2",
"type": "bidirectional",
"description": "RTC_GPIO2 / GPIO2 with TOUCH2 and ADC1_CH1 functions."
},
{
"number": "7",
"name": "IO3",
"type": "bidirectional",
"description": "RTC_GPIO3 / GPIO3 with no internal pull resistors; its level sets the JTAG signal source at startup and must be driven by a circuit not in high impedance."
},
{
"number": "8",
"name": "IO4",
"type": "bidirectional",
"description": "RTC_GPIO4 / GPIO4 with TOUCH4 and ADC1_CH3 functions."
},
{
"number": "9",
"name": "IO5",
"type": "bidirectional",
"description": "RTC_GPIO5 / GPIO5 with TOUCH5 and ADC1_CH4 functions."
},
{
"number": "10",
"name": "IO6",
"type": "bidirectional",
"description": "RTC_GPIO6 / GPIO6 with TOUCH6 and ADC1_CH5 functions."
},
{
"number": "11",
"name": "IO7",
"type": "bidirectional",
"description": "RTC_GPIO7 / GPIO7 with TOUCH7 and ADC1_CH6 functions."
},
{
"number": "12",
"name": "IO8",
"type": "bidirectional",
"description": "RTC_GPIO8 / GPIO8 with TOUCH8, ADC1_CH7 and SUBSPICS1 functions."
},
{
"number": "13",
"name": "IO9",
"type": "bidirectional",
"description": "RTC_GPIO9 / GPIO9 with TOUCH9, ADC1_CH8, FSPIHD and SUBSPIHD functions."
},
{
"number": "14",
"name": "IO10",
"type": "bidirectional",
"description": "RTC_GPIO10 / GPIO10 with TOUCH10, ADC1_CH9, FSPICS0, FSPIIO4 and SUBSPICS0 functions."
},
{
"number": "15",
"name": "IO11",
"type": "bidirectional",
"description": "RTC_GPIO11 / GPIO11 with TOUCH11, ADC2_CH0, FSPID, FSPIIO5 and SUBSPID functions."
},
{
"number": "16",
"name": "IO12",
"type": "bidirectional",
"description": "RTC_GPIO12 / GPIO12 with TOUCH12, ADC2_CH1, FSPICLK, FSPIIO6 and SUBSPICLK functions."
},
{
"number": "17",
"name": "IO13",
"type": "bidirectional",
"description": "RTC_GPIO13 / GPIO13 with TOUCH13, ADC2_CH2, FSPIQ, FSPIIO7 and SUBSPIQ functions."
},
{
"number": "18",
"name": "IO14",
"type": "bidirectional",
"description": "RTC_GPIO14 / GPIO14 with TOUCH14, ADC2_CH3, FSPIWP, FSPIDQS and SUBSPIWP functions."
},
{
"number": "19",
"name": "IO15",
"type": "bidirectional",
"description": "RTC_GPIO15 / GPIO15 with U0RTS, ADC2_CH4 and XTAL_32K_P functions."
},
{
"number": "20",
"name": "IO16",
"type": "bidirectional",
"description": "RTC_GPIO16 / GPIO16 with U0CTS, ADC2_CH5 and XTAL_32K_N functions."
},
{
"number": "21",
"name": "IO17",
"type": "bidirectional",
"description": "RTC_GPIO17 / GPIO17 with U1TXD and ADC2_CH6 functions."
},
{
"number": "22",
"name": "IO18",
"type": "bidirectional",
"description": "RTC_GPIO18 / GPIO18 with U1RXD, ADC2_CH7 and CLK_OUT3 functions."
},
{
"number": "23",
"name": "IO19",
"type": "bidirectional",
"description": "RTC_GPIO19 / GPIO19 with U1RTS, ADC2_CH8, CLK_OUT2 and USB_D- functions."
},
{
"number": "24",
"name": "IO20",
"type": "bidirectional",
"description": "RTC_GPIO20 / GPIO20 with U1CTS, ADC2_CH9, CLK_OUT1 and USB_D+ functions."
},
{
"number": "25",
"name": "IO21",
"type": "bidirectional",
"description": "RTC_GPIO21 / GPIO21 general-purpose I/O."
},
{
"number": "26",
"name": "IO26",
"type": "bidirectional",
"description": "SPICS1 / GPIO26; on the -N4R2 variant this pin connects to the embedded PSRAM and cannot be used for other functions."
},
{
"number": "27",
"name": "IO47",
"type": "bidirectional",
"description": "SPICLK_P_DIFF / GPIO47 / SUBSPICLK_P_DIFF general-purpose I/O."
},
{
"number": "28",
"name": "IO33",
"type": "bidirectional",
"description": "SPIIO4 / GPIO33 with FSPIHD and SUBSPIHD functions; default function is set by eFuse bits for pins 28-29 and 31-33."
},
{
"number": "29",
"name": "IO34",
"type": "bidirectional",
"description": "SPIIO5 / GPIO34 with FSPICS0 and SUBSPICS0 functions; default function is set by eFuse bits for pins 28-29 and 31-33."
},
{
"number": "30",
"name": "IO48",
"type": "bidirectional",
"description": "SPICLK_N_DIFF / GPIO48 / SUBSPICLK_N_DIFF general-purpose I/O."
},
{
"number": "31",
"name": "IO35",
"type": "bidirectional",
"description": "SPIIO6 / GPIO35 with FSPID and SUBSPID functions; default function is set by eFuse bits for pins 28-29 and 31-33."
},
{
"number": "32",
"name": "IO36",
"type": "bidirectional",
"description": "SPIIO7 / GPIO36 with FSPICLK and SUBSPICLK functions; default function is set by eFuse bits for pins 28-29 and 31-33."
},
{
"number": "33",
"name": "IO37",
"type": "bidirectional",
"description": "SPIDQS / GPIO37 with FSPIQ and SUBSPIQ functions; default function is set by eFuse bits for pins 28-29 and 31-33."
},
{
"number": "34",
"name": "IO38",
"type": "bidirectional",
"description": "GPIO38 with FSPIWP and SUBSPIWP functions."
},
{
"number": "35",
"name": "IO39",
"type": "bidirectional",
"description": "MTCK / GPIO39 with CLK_OUT3 and SUBSPICS1 functions (JTAG clock by default)."
},
{
"number": "36",
"name": "IO40",
"type": "bidirectional",
"description": "MTDO / GPIO40 with CLK_OUT2 function (JTAG data output by default)."
},
{
"number": "37",
"name": "IO41",
"type": "bidirectional",
"description": "MTDI / GPIO41 with CLK_OUT1 function (JTAG data input by default)."
},
{
"number": "38",
"name": "IO42",
"type": "bidirectional",
"description": "MTMS / GPIO42 general-purpose I/O (JTAG mode select by default)."
},
{
"number": "39",
"name": "TXD0",
"type": "bidirectional",
"description": "U0TXD / GPIO43 / CLK_OUT1; UART0 transmit pin that can be set to high impedance."
},
{
"number": "40",
"name": "RXD0",
"type": "bidirectional",
"description": "U0RXD / GPIO44 / CLK_OUT2; UART0 receive pin that can be set to high impedance."
},
{
"number": "41",
"name": "IO45",
"type": "bidirectional",
"description": "GPIO45; strapping pin sampled at reset (internal pull-down, default 0) that selects the VDD_SPI voltage."
},
{
"number": "42",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "43",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "44",
"name": "IO46",
"type": "bidirectional",
"description": "GPIO46; strapping pin sampled at reset (internal pull-down, default 0) that together with GPIO0 sets the boot mode and controls ROM log printing."
},
{
"number": "45",
"name": "EN",
"type": "input",
"description": "Chip enable: high enables the chip, low shuts it down; EN must not be left floating, with reset-release threshold 0.75 × VDD to VDD + 0.3 V and reset threshold up to 0.25 × VDD."
},
{
"number": "46",
"name": "GND",
"type": "power_in",
"description": "Ground connection (group of GND pads 46-65, including the thermal pad at pin 61)."
},
{
"number": "47",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "48",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "49",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "50",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "51",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "52",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "53",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "54",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "55",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "56",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "57",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "58",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "59",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "60",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "61",
"name": "GND",
"type": "power_in",
"description": "Ground connection; labelled EPAD in the schematic and may be soldered to the host board GND for better heat dissipation."
},
{
"number": "62",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "63",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "64",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "65",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
}
],
"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 datasheet does not give a package code; the package is described only as a 65-pin module with di; Pin 61 is listed as GND in Table 2 (within range 46–65) but the schematic labels it EPAD; it is incl; Pin 26 (IO26) is available only as a GPIO on other variants. Footnote b states that for orderable co"
],
"pages_sent": 37,
"cost_usd": 0.128,
"at": "2026-10-28T17:46:55"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589837995731165184",
"pages": 37,
"sha256": "71142b72ce76c5d0",
"source_tier": "lcsc"
},
"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-s3-mini-1-n4r2.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
15.4,
20.5,
2.4
],
"zmin_mm": 0.0,
"centre_offset_mm": 2.55,
"footprint_binding": "identity",
"sha256": "3796cf537f57d4b5be5feaef68ef5eb33aa78174e18f4105cb20105a0664d899",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "esp32-s3-mini-1-n4r2-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
15.4,
20.5,
2.4
],
"zmin_mm": 0.0,
"centre_offset_mm": 2.55,
"footprint_binding": "identity",
"sha256": "0873d3b3352459f29a337a591f053a0dc0f5ec062a93e8358e750702ba7fd9a7",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}