DESCRIPTION
The ESP8266 NodeMCU V1.0 ESP-12E WiFi module is the latest version of this popular module and can be used as a WiFi enabled replacement for an Arduino in many applications.
 
PACKAGE INCLUDES:
ESP8266 NodeMCU V1.0 ESP-12E WiFi Module
 
KEY FEATURES OF ESP8266 NODEMCU V1.0 ESP-12E MODULE:
Microcontroller:      ESP-8266 32-bit
Clock Speed:             80 MHz
USB Converter:        CP2102
USB Connector:       Micro USB
Operating Voltage:  3.3V
Flash Memory:         4 MB
Digital I/O:                11
Analog Inputs:          1
Communications:     Serial, SPI.  I2C and 1-Wire via software libraries
WiFi:                           Built-in 802.11 b/g/n
 
TECHNICAL SPECIFICATIONS
Microcontroller
ESP8266 Tensilica 32-bit
Serial to USB Converter
CP2102
Operating Voltage
3.3V
Input Voltage (recommended)
7-12V
Digital I/O Pins
11
PWM I/O Pins (Shared with Digital I/O)
10
Analog Input Pins
1 (10-bit)
DC Current per I/O Pin
12mA (Max)
Hardware Serial Ports
1
Flash Memory
4 MBytes
Instruction RAM
64 KBytes
Data RAM
96 KBytes
Clock Speed
80MHz
Network
IEEE 802.11 b/g/n WiF
Built-in LED
Attached to digital pin 13
USB Connector Style
 Micro-B Female
Board Dimensions (PCB)
 69 x 53mm (2.7 x 2.1″)