NodeMCU v3 is a ESP8266 expanded development board, it is the successor to the V2 and the latest model of V3 on a single dedicated PCB. The device features 32Mb (Megabits) of flash memory, 80MHz system clock, around 50k of usable RAM and an on chip Wifi Transceiver, as well as being USB programmable and requiring no additional hardware of any kind to program and operate, besides of course a computer and standard USB cable.

Suitable uses for this board include driving large WS2812 RBG arrays (can switch at fairy high framerate too), running web servers,


  • Micro-USB socket
  • On board USB-TTL serial converter CH340G
  • No need of additional USB to TTL converter to program
  • Power In for DC 4~9V, to pin VIN
  • WIFI Modes AP / STA  and AP+STA combine
  • Arduino Programmable
  • Flash memory; 32 Megabits (equiv to 4MB MegaBytes)
  • 10 GPIOs D0-D10, PWM functionality, IIC and SPI communicaiton, 1-Wire and ADC A0 etc
  • Wifi networking (can be uses as access point and/or station, host a webserver), connect to internet to fetch or upload data, capable of continuous datastreams
Package includes board and 2 rows of pins (unsoldered)

Postage is combined/fixed, all other items or additional quantities are free.
tracked letter is now available as an option for $6, please check the postage option during checkout.