UNO+WiFi R3 ATmega328P+ESP8266 (32Mb memory), USB-TTL CH340G.

Description

• • Description

    RobotDyn UNO+WIFI R3  is a customized version of the classic ARDUINO UNO R3 board which has two Processors: Atmel ATmega328 microcontroller and ESP8266 WiFi chip with 8 MB flash memory. Each processor has its own pinout headers. The board also has USB-TTL converter based on CH340G on same board.

    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. The board has DIP-switch, to connect the processors.

    Features

    • Two CPUs: ATMEGA328P (8-Bit) and ESP8266 (32-Bit)
    • 8mb ESP8266 Flash Memory
    • External U.FL Antenna Connector for WiFi
    • Micro USB connection
    • Power jack, 7-12V power input.
    • Compatible with Arduino
    • Compatible with nodemcu
    • Can be used with existing Arduino Shields

    Technical Specifications

    Microcontrollers	1x ATMEGA328P and 1x ESP-8266EX
    Operating Voltage	5V for ATMEGA328P and 3.3V for ESP8266
    Digital I/O Pins	13 for ATMEGA328P (5v compliant)+ 8 for ESP8266 (3.3V compliant)
    Analog Input Pins	6 for ATMEGA328P (5V compliant) + 1 for ESP8266 (3.3V compliant)
    Clock Speed	16MHz for ATMEGA328P and 80MHz/160MHz for ESP8266
    ESP8266 Flash	8M bytes
    Length	68.6mm
    Width	53.4mm
    Weight	21.4g

    Switch Status and Mode Selection Table

    	1	2	3	4	5	6	7	8
    CH340 connect to ESP8266 (upload sketch)	OFF	OFF	OFF	OFF	ON	ON	ON	NoUSE
    CH340 connect to ESP8266 (connect)	OFF	OFF	OFF	OFF	ON	ON	OFF	NoUSE
    CH340 connect to ATmega328 (upload sketch)	OFF	OFF	ON	ON	OFF	OFF	OFF	NoUSE
    Mega328+ESP8266	ON	ON	OFF	OFF	OFF	OFF	OFF	NoUSE
    Both MEGA328P and ESP8266work independently	OFF	OFF	OFF	OFF	OFF	OFF	OFF	NoUSE

    Documents and Downloads

    • RobotDyn UNO+WIFI Product Support Page
    • Link to NodeMCU firmware
    • USB Serial CH340 Chip Driver

    Package Includes

    • 1x RobotDyn UNO+WiFi R3 ATmega328P+ESP8266 with 8Mb flash