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Ray pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) caf8188
{
 "schema": "adom.pads/1",
 "slug": "me6211c28m5g-n",
 "footprint": "SOT-23-5",
 "generated_from": {
  "footprint": "SOT-23-5@sha256:455a3f7c3e5eb5b8",
  "pins": "page.json:component.pins",
  "overrides": null
 },
 "pin1": {
  "pad": "1",
  "at": [
   -1.1375,
   -0.95
  ],
  "corner": "top-left",
  "source": "silk-marker",
  "derived_from": "SOT-23-5@sha256:455a3f7c3e5eb5b8"
 },
 "pad_count": 5,
 "symbol_pins": [
  "1",
  "2",
  "3",
  "4",
  "5"
 ],
 "paste_apertures": 0,
 "issues": [],
 "pads": [
  {
   "pad": "1",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -1.1375,
    -0.95
   ],
   "rot": 0.0,
   "size": [
    1.325,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "1",
   "name": "VIN",
   "type": "power_in",
   "description": "Input supply pin. Operating range 2V-6V (absolute max 6.5V). Bypass to VSS with a 1uF ceramic capacitor close to the pin.",
   "is_pin1": true,
   "source": {
    "geometry": "SOT-23-5.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "2",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -1.1375,
    0.0
   ],
   "rot": 0.0,
   "size": [
    1.325,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "2",
   "name": "VSS",
   "type": "power_in",
   "description": "Ground reference pin (接地引脚). All input, output and CE voltages are referenced to this node.",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-23-5.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "3",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -1.1375,
    0.95
   ],
   "rot": 0.0,
   "size": [
    1.325,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "3",
   "name": "CE",
   "type": "input",
   "description": "Chip enable (使能端). Drive high (VCEH ≥ 1.0V) to enable the regulator; drive low (VCEL ≤ 0.7V) to shut down (typ. 0.1uA / 1uA max). CE range VSS−0.3V to VIN+0.3V. Must NOT be left floating.",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-23-5.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "4",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    1.1375,
    0.95
   ],
   "rot": 0.0,
   "size": [
    1.325,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "4",
   "name": "NC",
   "type": "unconnected",
   "description": "No internal connection (空). Leave floating or tie to VSS on the PCB.",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-23-5.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "5",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    1.1375,
    -0.95
   ],
   "rot": 0.0,
   "size": [
    1.325,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "5",
   "name": "VOUT",
   "type": "power_out",
   "description": "Regulated LDO output (电压输出端). Fixed 2.8V ±2% for the C28 option, capable of up to 450-500mA. Requires a 1uF ceramic output capacitor (CL) to VSS for stability.",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-23-5.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  }
 ]
}