Uno+WiFi R3 AtMega328p+NodeMSU ESP8266 8mb Memory USB-TTL CH340G Compatible for Arduino UNO is full integration on one board: Uno R3 ATmega 328 and WiFi ESP8266 with memory 8Mb (MegaByte). All of the modules can work together or each separately. And everyone has their own pinout headers.
The convenient solution for the development of new projects requiring Uno and WiFi. Via USB you can update sketches and firmware for ATmega328 and for ESP8266. For this on board have the USB-serial converter CH340G.

Features:

• Microcontroller: ATmega328IC
• Wi-Fi: ESP8266
• USB-TTL converter
• CH340G
• Power Out 5V-800mAPower IN.
• USB5V (500mA max.)Power IN.
• VIN/DC Jack: 9-24V
• Power Consumption: 5V 800mA
• Logic Level: 5V
• WiFi: 802.11 b/g/n 2.4 GHz
• USB type: Micro USB
• USB Clock Frequency: 16MHz
• Operating Supply Voltage: 5V
• Digital I/O Pins: 14
• Analog pins: I/ O6
• Memory Size: 8Mb
• Interface Type: serial
• Operating temperature: −40С°/+125С°
• Dimensions (L×W)mm:  53.34×68.58