{"title":"NodeMCU V2 ESP8266 Development Board","handle":"nodemcu-v2-esp8266-development-board","url":"/products/nodemcu-v2-esp8266-development-board","description":"The NodeMCU V2 is a Wi-Fi development board based on the ESP8266 (ESP-12E module) with an on-board PCB antenna and USB programming interface. It supports 802.11 b/g/n wireless networking and can operate in STA, AP, or STA+AP modes with a built-in TCP/IP stack supporting up to 5 simultaneous TCP client connections.\n\nProgram in Lua, Arduino IDE, MicroPython, or other ESP8266-compatible environments. The board supports over-the-air (OTA) firmware updates and features multiple GPIO pins with PWM and I2C capability.\n\nKey Features\n\n\nESP8266 Wi-Fi – 802.11 b/g/n, STA/AP/STA+AP modes\n\nUSB Programming – Built-in USB-to-serial interface for easy flashing and debugging\n\nGPIO Pins – D0–D8, SD1–SD3 with PWM and I2C support (15 mA drive)\n\n1-Channel ADC – Analogue input on A0\n\nOTA Updates – Remote firmware upgrades over Wi-Fi\n\nBuilt-In TCP/IP Stack – Up to 5 simultaneous TCP connections\n\n\nSpecifications\n\n\nModule – ESP-12E (ESP8266)\n\nWi-Fi – 802.11 b/g/n\n\nPower Input – 4.5–9 V or USB powered\n\nOperating Current – ~70 mA typical, 200 mA max (transmitting)\n\nStandby Current – <200 µA\n\nBaud Rate – 110–460800 bps\n\nOperating Temperature – −40°C to +125°C\n\nWeight – ~7 g\n\n\nPackage Contents\n\n1× NodeMCU V2 ESP8266 development board\n\n\nResources\n\nSchematic\n","vendor":"Elecrow","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":3677,"title":"Default Title","sku":"EC-DPO28090B","price":20.0,"compare_at_price":0.0,"on_sale":false,"in_stock":true,"available_quantity":103,"option1":"Default Title"}]}