component
PB-03M
Public Made by Adomby adom
Ai-Thinker Bluetooth Modules, DIP-18. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "pb-03m",
"title": "PB-03M",
"brief": "Ai-Thinker Bluetooth Modules, DIP-18. 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",
"pb-03m",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "PB-03M",
"manufacturer": "Ai-Thinker",
"package": "DIP-18",
"pin_count": 18,
"category": "IoT/Communication Modules",
"subcategory": "Bluetooth Modules",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/450431fb47b07ed304916ab8d026459f.pdf",
"parts": {
"symbol": "pb-03m.kicad_sym",
"footprint": "pb-03m.kicad_mod",
"model_3d": "pb-03m-hero.glb",
"model_3d_plain": "pb-03m-etched.glb",
"model_3d_step": "pb-03m-etched.step",
"model_3d_step_plain": "pb-03m.step",
"lbr": "pb-03m.lbr"
},
"distributor_links": {
"lcsc": "C2980078",
"digikey": "4570-PB-03MTR-ND"
},
"distributor_check": {
"checked_at": "2026-10-24T00:08:14Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "4570-PB-03MTR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "P31",
"type": "bidirectional",
"description": "General-purpose I/O GPIO31."
},
{
"number": "2",
"name": "P16",
"type": "bidirectional",
"description": "GPIO16, also the 32.768KHz crystal input."
},
{
"number": "3",
"name": "P2",
"type": "bidirectional",
"description": "GPIO2, also the SWD debug data in/out."
},
{
"number": "4",
"name": "P3",
"type": "bidirectional",
"description": "GPIO3, also the SWD debug clock."
},
{
"number": "5",
"name": "P32",
"type": "bidirectional",
"description": "General-purpose I/O GPIO32."
},
{
"number": "6",
"name": "P10",
"type": "bidirectional",
"description": "RXD (UART receive) or GPIO10."
},
{
"number": "7",
"name": "P9",
"type": "bidirectional",
"description": "TXD (UART transmit) or GPIO9."
},
{
"number": "8",
"name": "VDD",
"type": "power_in",
"description": "Power supply, 2.7V to 3.6V (3.3V typical), with supply able to deliver more than 200mA."
},
{
"number": "9",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "10",
"name": "P15",
"type": "bidirectional",
"description": "GPIO15, also ADC input 4 or micbias output."
},
{
"number": "11",
"name": "P10",
"type": "bidirectional",
"description": "GPIO10 or RXD; listed as P10 same as pin 6 in the datasheet table."
},
{
"number": "12",
"name": "P14",
"type": "bidirectional",
"description": "GPIO14, also ADC input 3."
},
{
"number": "13",
"name": "P34",
"type": "bidirectional",
"description": "General-purpose I/O GPIO34."
},
{
"number": "14",
"name": "P0",
"type": "bidirectional",
"description": "General-purpose I/O GPIO0."
},
{
"number": "15",
"name": "P18",
"type": "bidirectional",
"description": "GPIO18, also ADC input 7 or PGA negative input."
},
{
"number": "16",
"name": "P7",
"type": "bidirectional",
"description": "General-purpose I/O GPIO7."
},
{
"number": "17",
"name": "P11",
"type": "bidirectional",
"description": "GPIO11, also ADC input 0."
},
{
"number": "18",
"name": "P17",
"type": "bidirectional",
"description": "GPIO17, also the 32.768KHz crystal output."
}
],
"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",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pins 6 and 11 are both listed as P10 (RXD/GPIO10) in the pin table; one is likely a datasheet typo. ; The datasheet text is mostly missing (non-ASCII text lost). Pin types are inferred from the function"
],
"pages_sent": 22,
"cost_usd": 0.0572,
"at": "2026-10-24T00:07:41"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/450431fb47b07ed304916ab8d026459f.pdf",
"pages": 22,
"sha256": "6f8f0ca8df4cf444",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 18,
"described": 18,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "pb-03m.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "body on z = 0, through-hole leads below",
"extents_mm": [
7.874,
22.86,
6.98
],
"zmin_mm": -3.3,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "c9e1ad672f0603e5818e9d0329669eb09ec9fa91bae3fdad8cdfa245e05c3b5f",
"checked": "2026-10-24",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "pb-03m-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "body on z = 0, through-hole leads below",
"extents_mm": [
7.874,
22.86,
6.98
],
"zmin_mm": -3.3,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "3024374fbfc4475cc058348062409cc6e3095a725ec3c8ec7255e376e054d153",
"checked": "2026-10-24",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Ai-Thinker",
"Package": "DIP-18",
"Category": "IoT/Communication Modules",
"Pins": "18"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "6f8f0ca8df4cf444cb273b03336c3cf1085156bde0eb6eb7f680030c4aa219b3",
"rows": [
{
"name": "Supply voltage",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 2.7,
"typ": 3.3,
"max": 3.6,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Input low voltage",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 0.25,
"conditions": "I/O; printed as -0.3 / 0.25VDD",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Input high voltage",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 0.75,
"typ": null,
"max": null,
"conditions": "I/O; printed as 0.75VDD / VDD+0.3",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Output low voltage",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.1,
"conditions": "I/O; printed as 0.1VIO",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Output high voltage",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 0.8,
"typ": null,
"max": null,
"conditions": "I/O; printed as 0.8VIO",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Maximum I/O current",
"symbol": "IMAX",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 12,
"conditions": "I/O",
"source_page": 6,
"source": "datasheet"
},
{
"name": "RF frequency range",
"symbol": "",
"kind": "electrical",
"unit": "MHz",
"min": 2400,
"typ": null,
"max": 2483.5,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Output power BLE 2Mbps",
"symbol": "",
"kind": "electrical",
"unit": "dBm",
"min": -20,
"typ": 8,
"max": 10,
"conditions": "BLE 2Mbps",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Output power BLE 1Mbps",
"symbol": "",
"kind": "electrical",
"unit": "dBm",
"min": -20,
"typ": 8,
"max": 10,
"conditions": "BLE 1Mbps",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Output power BLE 500Kbps",
"symbol": "",
"kind": "electrical",
"unit": "dBm",
"min": -20,
"typ": 8,
"max": 10,
"conditions": "BLE 500Kbps",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Output power BLE 125kbps",
"symbol": "",
"kind": "electrical",
"unit": "dBm",
"min": -20,
"typ": 8,
"max": 10,
"conditions": "BLE 125kbps",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Receive sensitivity BLE 2Mbps",
"symbol": "",
"kind": "electrical",
"unit": "dBm",
"min": null,
"typ": -93,
"max": null,
"conditions": "BLE 2Mbps",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Receive sensitivity BLE 1Mbps",
"symbol": "",
"kind": "electrical",
"unit": "dBm",
"min": null,
"typ": -96,
"max": null,
"conditions": "BLE 1Mbps",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Receive sensitivity BLE 500Kbps",
"symbol": "",
"kind": "electrical",
"unit": "dBm",
"min": null,
"typ": -97,
"max": null,
"conditions": "BLE 500Kbps",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Receive sensitivity BLE 125Kbps",
"symbol": "",
"kind": "electrical",
"unit": "dBm",
"min": null,
"typ": -102,
"max": null,
"conditions": "BLE 125Kbps",
"source_page": 7,
"source": "datasheet"
},
{
"name": "TX current",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 11.5,
"max": null,
"conditions": "TX_Burst_Test Power output 8dBm; 3.3V 25 C",
"source_page": 7,
"source": "datasheet"
},
{
"name": "TX current",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 9,
"max": null,
"conditions": "TX_Burst_Test Power output 5dBm; 3.3V 25 C",
"source_page": 7,
"source": "datasheet"
},
{
"name": "TX current",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 8,
"max": null,
"conditions": "TX_Burst_Test Power output 0dBm; 3.3V 25 C",
"source_page": 7,
"source": "datasheet"
},
{
"name": "RX current",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 9.4,
"max": null,
"conditions": "RX_Burst_Test; 3.3V 25 C",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Power Off current",
"symbol": "",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 0.57,
"max": null,
"conditions": "Power Off; 3.3V 25 C",
"source_page": 7,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"pb-03m"
],
"discovery_pitch": "PB-03M (Ai-Thinker) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"pb-03m.kicad_sym",
"pb-03m.kicad_mod",
"pb-03m.glb",
"pb-03m.step",
"pb-03m.lbr",
"docs/hero.png",
"docs/pb-03m-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"pb-03m-hero.glb",
"pb-03m-hero.overlay.json",
"pb-03m-etched.glb"
],
"visibility": {
"public": true
}
}