component
ESP32-C3-MINI-1U-N4X
Public Made by Adomby adom
Espressif Systems RF and Wireless, 61-SMD Module. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464
{
"slug": "esp32-c3-mini-1u-n4x",
"version": "0.1.0",
"type": "component",
"description": "Espressif Systems RF and Wireless, 61-SMD Module. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"rf and wireless",
"esp32-c3-mini-1u-n4x",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"esp32-c3-mini-1u-n4x.kicad_sym",
"esp32-c3-mini-1u-n4x.kicad_mod",
"esp32-c3-mini-1u-n4x.glb",
"esp32-c3-mini-1u-n4x.step",
"esp32-c3-mini-1u-n4x.lbr",
"docs/hero.png",
"docs/esp32-c3-mini-1u-n4x-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"esp32-c3-mini-1u-n4x-hero.glb",
"esp32-c3-mini-1u-n4x-hero.overlay.json",
"esp32-c3-mini-1u-n4x-etched.glb"
],
"component": {
"mpn": "ESP32-C3-MINI-1U-N4X",
"manufacturer": "Espressif Systems",
"package": "61-SMD Module",
"pin_count": 53,
"category": "RF and Wireless",
"subcategory": "RF and Wireless",
"datasheet": "https://www.espressif.com/sites/default/files/documentation/esp32-c3-mini-1_datasheet_en.pdf",
"parts": {
"symbol": "esp32-c3-mini-1u-n4x.kicad_sym",
"footprint": "esp32-c3-mini-1u-n4x.kicad_mod",
"model_3d": "esp32-c3-mini-1u-n4x-hero.glb",
"model_3d_plain": "esp32-c3-mini-1u-n4x-etched.glb",
"model_3d_step": "esp32-c3-mini-1u-n4x-etched.step",
"model_3d_step_plain": "esp32-c3-mini-1u-n4x.step",
"lbr": "esp32-c3-mini-1u-n4x.lbr"
},
"distributor_links": {
"digikey": "1965-ESP32-C3-MINI-1U-N4XTR-ND",
"mouser": "356-ESP32C3MINI1UN4X"
},
"distributor_check": {
"checked_at": "2026-10-28T17:42:49Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "1965-ESP32-C3-MINI-1U-N4XTR-ND",
"status": "found"
},
"mouser": {
"pn": "356-ESP32C3MINI1UN4X",
"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, 3.0 to 3.6 V (3.3 V typical)."
},
{
"number": "4",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "5",
"name": "IO2",
"type": "bidirectional",
"description": "GPIO2, ADC1_CH2, FSPIQ; strapping pin (floating by default, recommended pulled up)."
},
{
"number": "6",
"name": "IO3",
"type": "bidirectional",
"description": "GPIO3, ADC1_CH3."
},
{
"number": "7",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "8",
"name": "EN",
"type": "input",
"description": "High enables the chip, low powers it off; do not leave floating."
},
{
"number": "9",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "10",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "11",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "12",
"name": "IO0",
"type": "bidirectional",
"description": "GPIO0, ADC1_CH0, XTAL_32K_P."
},
{
"number": "13",
"name": "IO1",
"type": "bidirectional",
"description": "GPIO1, ADC1_CH1, XTAL_32K_N."
},
{
"number": "14",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "15",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "16",
"name": "IO10",
"type": "bidirectional",
"description": "GPIO10, FSPICS0."
},
{
"number": "17",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "18",
"name": "IO4",
"type": "bidirectional",
"description": "GPIO4, ADC1_CH4, FSPIHD, MTMS."
},
{
"number": "19",
"name": "IO5",
"type": "bidirectional",
"description": "GPIO5, ADC2_CH0, FSPIWP, MTDI."
},
{
"number": "20",
"name": "IO6",
"type": "bidirectional",
"description": "GPIO6, FSPICLK, MTCK."
},
{
"number": "21",
"name": "IO7",
"type": "bidirectional",
"description": "GPIO7, FSPID, MTDO."
},
{
"number": "22",
"name": "IO8",
"type": "bidirectional",
"description": "GPIO8; strapping pin (floating by default) that also controls UART0 ROM message printing."
},
{
"number": "23",
"name": "IO9",
"type": "bidirectional",
"description": "GPIO9; strapping pin with weak pull-up by default, low selects joint download boot."
},
{
"number": "24",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "25",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "26",
"name": "IO18",
"type": "bidirectional",
"description": "GPIO18, USB_D-."
},
{
"number": "27",
"name": "IO19",
"type": "bidirectional",
"description": "GPIO19, USB_D+."
},
{
"number": "28",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "29",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "30",
"name": "RXD0",
"type": "bidirectional",
"description": "GPIO20, U0RXD (UART0 receive)."
},
{
"number": "31",
"name": "TXD0",
"type": "bidirectional",
"description": "GPIO21, U0TXD (UART0 transmit)."
},
{
"number": "32",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "33",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "34",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "35",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "36",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "37",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "38",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "39",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "40",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "41",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "42",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "43",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "44",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "45",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"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; exposed pad (EPAD), soldering it to board ground is optional but improves thermal performance."
},
{
"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."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text+vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pin numbers and names come from the text of Table 3-1 and the module schematics. I did not open the ",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 48,
"cost_usd": 0.3092,
"at": "2026-10-28T17:43:39"
},
"datasheet": {
"url": "https://www.espressif.com/sites/default/files/documentation/esp32-c3-mini-1_datasheet_en.pdf",
"pages": 48,
"sha256": "de7361381348d82a",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 53,
"described": 53,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "esp32-c3-mini-1u-n4x.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
13.2,
12.5,
2.4
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.65,
"footprint_binding": "identity",
"sha256": "e88f2b478b3e586ea5db6bba3edece440724d30ec30c4f3365a2afba0fb59aef",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "esp32-c3-mini-1u-n4x-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
13.2,
12.5,
2.4
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.65,
"footprint_binding": "identity",
"sha256": "02affd0b27cc4788ca25f1753ad0765a4acbfd2025f6357a371a8966a47eed09",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}