{"product_id":"nodemcu-v2-esp8266-development-board","title":"NodeMCU V2 ESP8266 Development Board - WiFi MCU","description":"\u003cdiv class=\"product-copy\"\u003e\n\u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:.97em}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.65em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb}\n .product-copy table thead th{background:#f3f4f6;font-weight:600;color:#374151}\n .product-copy table tbody tr:nth-child(even) td{background:#fafafa}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n .badge{display:inline-block;background:#dbeafe;color:#1d4ed8;border-radius:6px;padding:.1em .55em;font-size:.85em;font-weight:600;margin-right:.3em}\n\u003c\/style\u003e\n\n\u003ch2\u003eNodeMCU V2 ESP8266 — The Compact, CP2102-Powered IoT Development Board\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNodeMCU V2 (Amica) ESP8266 Development Board\u003c\/strong\u003e is the narrower, more refined generation of the NodeMCU family.\nWith its \u003cstrong\u003eCP2102 USB-to-serial chip\u003c\/strong\u003e, compact width, and clean ESP-12E module at its core, it is the preferred NodeMCU for builds where breadboard real estate matters\nor where you need reliable USB connectivity across macOS, Windows, and Linux without hunting for drivers.\u003c\/p\u003e\n\n\u003ch3\u003eNodeMCU V2 vs V3 — which one should you buy?\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eNodeMCU V2 (this board)\u003c\/th\u003e\n\u003cth\u003eNodeMCU V3 (CH340)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUSB chip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCP2102 — premium, widely supported\u003c\/td\u003e\n\u003ctd\u003eCH340G — common, good on Windows\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBoard width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNarrower — fits standard breadboard with pins on each side\u003c\/td\u003e\n\u003ctd\u003eWider — occupies entire breadboard width\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDriver ease\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOften auto-installs on macOS \u0026amp; Linux\u003c\/td\u003e\n\u003ctd\u003eRequires CH340 driver on macOS\/Linux\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eESP module\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eESP-12E\u003c\/td\u003e\n\u003ctd\u003eESP-12E\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlash memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 MB\u003c\/td\u003e\n\u003ctd\u003e4 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBreadboard use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e✅ Leaves one pin row free on each side\u003c\/td\u003e\n\u003ctd\u003e❌ Blocks entire breadboard width\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBest for\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003emacOS\/Linux users, breadboard builds, tidy wiring\u003c\/td\u003e\n\u003ctd\u003eWindows users, budget builds\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eCP2102 USB bridge:\u003c\/strong\u003e Rock-solid serial connection, excellent OS compatibility\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eNarrow form factor:\u003c\/strong\u003e Leaves rows free on a breadboard for sensor wiring\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e4 MB flash:\u003c\/strong\u003e Space for firmware, OTA, and LittleFS file system\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e11 digital GPIO pins:\u003c\/strong\u003e PWM, I2C, SPI, UART all available\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e1 analog input:\u003c\/strong\u003e 10-bit ADC, 0–3.3V range\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMicro-USB:\u003c\/strong\u003e Power and program from any USB port\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAuto-reset circuit:\u003c\/strong\u003e No need to manually press buttons to enter flash mode\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eCore Module\u003c\/th\u003e\n\u003ctd\u003eESP8266 ESP-12E\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eUSB Bridge\u003c\/th\u003e\n\u003ctd\u003eCP2102\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eFlash Memory\u003c\/th\u003e\n\u003ctd\u003e4 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eDigital GPIO\u003c\/th\u003e\n\u003ctd\u003e11 (PWM, I2C, SPI, UART)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eAnalog Input\u003c\/th\u003e\n\u003ctd\u003e1 × ADC (0–3.3V, 10-bit)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eWiFi\u003c\/th\u003e\n\u003ctd\u003e802.11 b\/g\/n, 2.4 GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003ePower Input\u003c\/th\u003e\n\u003ctd\u003eMicro-USB or VIN\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eLogic Level\u003c\/th\u003e\n\u003ctd\u003e3.3V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eProgramming\u003c\/th\u003e\n\u003ctd\u003eArduino IDE, MicroPython, NodeMCU Lua\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eDoes this fit on a standard breadboard?\u003c\/strong\u003e Yes — the narrower V2 form factor leaves one row of holes free on each side of the breadboard, unlike the wider V3.\u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eWhich NodeMCU version should I choose — V2 or V3?\u003c\/strong\u003e V2 is better for macOS\/Linux users and breadboard builds. V3 is wider but more common and cheaper. Both use the same ESP8266 chip and have the same programming capability.\u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eWhat is the ADC voltage range?\u003c\/strong\u003e 0V to 3.3V. Do not exceed 3.3V on the ADC pin or you may damage the chip.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45812705853729,"sku":"DPO28090B","price":215.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/nodemcu-v2-esp8266-development-board-white.jpg?v=1778911929","url":"https:\/\/circuit.rocks\/products\/nodemcu-v2-esp8266-development-board","provider":"circuitrocks","version":"1.0","type":"link"}