{
  "id": "nodemcu-v2-esp8266-development-board",
  "name": "Nodemcu V2 Esp8266 Development Board",
  "name_zh": "NodeMCU v2 ESP8266開發板",
  "mpn": "NodeMCU Lua v2",
  "category": "board/esp",
  "summary_zh": "NodeMCU Lua是一款原型開發板，集成ESP8266 WIFI芯片，擁有GPIO、PWM、I2C、1-Wire、ADC等等硬件IO功能，能夠像Arduino一樣操作硬件輸入輸出，用交互式Lua腳本編寫硬件代碼，能夠用Node.js類似的語法編寫網絡應用程式，豐富的事件驅動型API，極方便地讓用戶進行網絡應用開發，並運行於5cm大小的MCU上，是開發物聯網的極佳原型開發板。",
  "specs": {
    "voltage_v": {
      "typ": 5
    },
    "chip": [
      "ESP-12E",
      "CP2102"
    ],
    "dimensions_mm": {
      "l": 25,
      "w": 48,
      "h": 13
    },
    "weight_g": 8,
    "memory": {
      "flash_mb": 4
    }
  },
  "pins": [
    {
      "name": "TOUT",
      "type": "analog",
      "description": "ADC input, max 1.0V, do not connect 3.3V directly"
    },
    {
      "name": "RESERVED",
      "type": "nc",
      "description": "Do not connect"
    },
    {
      "name": "RESERVED",
      "type": "nc",
      "description": "Do not connect"
    },
    {
      "name": "SD1",
      "type": "bidirectional",
      "description": "GPIO10, SPI data HSPIWP"
    },
    {
      "name": "SD2",
      "type": "bidirectional",
      "description": "GPIO9, SPI data HSPIHD"
    },
    {
      "name": "SD3",
      "type": "bidirectional",
      "description": "GPIO8, SPI data U1RXD/SPI_MOSI"
    },
    {
      "name": "CMD",
      "type": "bidirectional",
      "description": "GPIO11, SPI_CS0"
    },
    {
      "name": "CLK",
      "type": "bidirectional",
      "description": "GPIO7, SPI_MISO"
    },
    {
      "name": "SD0",
      "type": "bidirectional",
      "description": "GPIO6, SPI_CLK"
    },
    {
      "name": "GND",
      "type": "ground"
    },
    {
      "name": "3V3",
      "type": "power"
    },
    {
      "name": "EXT_RSTB",
      "type": "input",
      "description": "External reset, active-low"
    },
    {
      "name": "CH_PD",
      "type": "input",
      "description": "Chip enable, active-high"
    },
    {
      "name": "GND",
      "type": "ground"
    },
    {
      "name": "Vin",
      "type": "power",
      "description": "External power input, approx. 4.5-10V"
    },
    {
      "name": "D0",
      "type": "bidirectional",
      "description": "GPIO16, wake-up capable, connects to XPD_DCDC"
    },
    {
      "name": "D1",
      "type": "bidirectional",
      "description": "GPIO5"
    },
    {
      "name": "D2",
      "type": "bidirectional",
      "description": "GPIO4"
    },
    {
      "name": "D3",
      "type": "bidirectional",
      "description": "GPIO0, SPI_CS2"
    },
    {
      "name": "D4",
      "type": "bidirectional",
      "description": "GPIO2, U1TXD"
    },
    {
      "name": "3V3",
      "type": "power"
    },
    {
      "name": "GND",
      "type": "ground"
    },
    {
      "name": "D5",
      "type": "bidirectional",
      "description": "GPIO14, HSPI_CLK"
    },
    {
      "name": "D6",
      "type": "bidirectional",
      "description": "GPIO12, HSPI_MISO"
    },
    {
      "name": "D7",
      "type": "bidirectional",
      "description": "GPIO13, HSPI_MOSI"
    },
    {
      "name": "D8",
      "type": "bidirectional",
      "description": "GPIO15, HSPI_CS"
    },
    {
      "name": "RX",
      "type": "input",
      "description": "UART RX, GPIO3"
    },
    {
      "name": "TX",
      "type": "output",
      "description": "UART TX, GPIO1"
    },
    {
      "name": "GND",
      "type": "ground"
    },
    {
      "name": "3V3",
      "type": "power"
    }
  ],
  "attributes": {
    "連接": "MicroUSB",
    "無線網絡": "802.11 b/g/n",
    "工作模式": "支援 STA / AP / STA+AP",
    "記憶體": "20kBytes"
  },
  "assets": {
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      "files": [
        "dimensions.jpeg"
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      "license": "CC-BY-4.0",
      "source": "original"
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    "pinout": {
      "files": [
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      "license": "CC-BY-4.0",
      "source": "original"
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  "product_id": "1890",
  "updated_at": "2026-09-12"
}