{"product_id":"nodemcu-esp32-i-o-expansion-shield-1","title":"NodeMCU ESP32 I\/O Expansion Shield","description":"\u003ch3\u003e\u003cspan\u003eDescription \u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis is an interface board designed to extend the input and output connectivity of \u003ca href=\"https:\/\/www.voltaat.com\/products\/esp32-development-board\"\u003eNodeMCU ESP32 Development Board\u003c\/a\u003e. It provides organized access to GPIO, power, and communication interfaces using standard connectors. The shield supports 3.3 V logic levels and simplifies peripheral integration during development and testing. It is suitable for prototyping, educational use, and system validation. Typical applications include sensor interfacing, actuator control, and embedded system development.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"2245\" data-end=\"2315\"\u003e\n\u003cp data-start=\"2247\" data-end=\"2315\"\u003e\u003cstrong data-start=\"2247\" data-end=\"2275\"\u003eProduct Type | Function:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eI\/O expansion shield for NodeMCU ESP32 Development Board\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2316\" data-end=\"2377\"\u003e\n\u003cp data-start=\"2318\" data-end=\"2377\"\u003e\u003cstrong data-start=\"2318\" data-end=\"2354\"\u003eSupported Board | Compatibility:\u003c\/strong\u003e\u003cspan\u003e NodeMCU ESP32 Development Board\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2378\" data-end=\"2414\"\u003e\n\u003cp data-start=\"2380\" data-end=\"2414\"\u003e\u003cstrong data-start=\"2380\" data-end=\"2406\"\u003eLogic Voltage | Level:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3.3 V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2415\" data-end=\"2465\"\u003e\n\u003cp data-start=\"2417\" data-end=\"2465\"\u003e\u003cstrong data-start=\"2417\" data-end=\"2447\"\u003ePower Pins | Availability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e5 V, 3.3 V, GND\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2466\" data-end=\"2520\"\u003e\n\u003cp data-start=\"2468\" data-end=\"2520\"\u003e\u003cstrong data-start=\"2468\" data-end=\"2497\"\u003eI\/O Interfaces | Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGPIO, UART, SPI, I²C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2521\" data-end=\"2573\"\u003e\n\u003cp data-start=\"2523\" data-end=\"2573\"\u003e\u003cstrong data-start=\"2523\" data-end=\"2551\"\u003eConnector Type | Format:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2.54 mm pin headers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2574\" data-end=\"2607\"\u003e\n\u003cp data-start=\"2576\" data-end=\"2607\"\u003e\u003cstrong data-start=\"2576\" data-end=\"2600\"\u003ePCB Material | Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFR-4\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2608\" data-end=\"2662\"\u003e\n\u003cp data-start=\"2610\" data-end=\"2662\"\u003e\u003cstrong data-start=\"2610\" data-end=\"2632\"\u003eMounting | Method:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eShield stacking via headers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2720\" data-end=\"2772\"\u003e\n\u003cp data-start=\"2722\" data-end=\"2772\"\u003e\u003cstrong data-start=\"2722\" data-end=\"2756\"\u003eOperating Temperature | Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e−20 to +70 °C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Voltaat","offers":[{"title":"Default Title","offer_id":51415749919037,"sku":"VT-4533","price":15.0,"currency_code":"QAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2822\/2674\/files\/voltaat-nodemcu-esp32-i-o-expansion-shield-1221941684.webp?v=1771663689","url":"https:\/\/www.voltaat.com\/products\/nodemcu-esp32-i-o-expansion-shield-1","provider":"Voltaat","version":"1.0","type":"link"}