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Arduino UNO+WiFi R3 ATmega328P+Node MCU ESP8266 CH340G Compatible Board

Arduino UNO+WiFi R3 ATmega328P+Node MCU ESP8266 CH340G Compatible Board

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  • This is UNO+WiFi R3 ATmega328P+Node MCU ESP8266 CH340G Board Compatible with Arduino
  • This board has USB-TTL converter.
  • This board has ATmega328P microcontroller
  • Operating Supply Voltage: of this board is 5V.
  • Digital I/O Pins of this board are 14.
  • Analog I/O Pins of this board are 6.

CH340G Board compatible with Arduino

The Uno+WiFi R3 is a fully integrated board that combines the Uno R3 ATmega 328 microcontroller with the WiFi ESP8266 chip, along with 8Mb of memory, all on a single board. Both modules can operate together or separately, each with their own pinout headers.

This board provides a convenient solution for developing new projects that require both Uno and WiFi functionalities. It includes a USB-serial converter, CH340G, allowing for easy updating of sketches and firmware for both ATmega328 and Node MCU ESP8266.

Essentially a modernized version of the classic Arduino UNO R3 board, the Uno+WiFi R3 offers simple operations and includes a DIP switch to connect the different modules in various configurations. LED lights are provided for connecting peripheral sensors and modules, making it a versatile choice for a wide range of projects.

Check out the entire range of Compatible Arduino Boards

 Applications:

  • WiFi-based IoT applications.
  • IoT home automation.
  • Internet Smoked Alarm.
  • Incubator Controller.
  • Security Alarms.

Comparison With Similar Boards:

Specification

UNO Wifi

UNO SMD 

UNO R3
Microcontroller ATmega4809 ATmega328P (SMD) ATmega328P (Through hole)
USB connector Micro-USB USB-B USB-B
Digital I/O Pins 14 14 14
Analog input pins 6 6 6
PWM pins 5 6 6
UART Yes Yes Yes
I2C Yes Yes Yes
SPI Yes Yes Yes
I/O Voltage 5V 5V 5V
Input voltage (nominal) 7-12V 7-12V 7-12V
DC Current per I/O Pin 20mA 20 mA 20 mA
Power Supply Connector Barrel Plug Barrel Plug Barrel Plug
clock speed 16 MHz 16 MHz 16 MHz
USB-Serial chip ATmega16U2 CH340 ATmega16U2
SRAM 6.144KB 2KB 2KB
Flash Memory 48KB 32KB 32KB
EEPROM 256 Bytes 1KB 1KB
Dimensions 68.6 mm x 53.4 mm 68.6 mm x 53.4 mm 68.6 mm x 53.4 mm
RADIO MODULE u-blox NINA-W102 - -
Inertial Measurement Unit LSM6DS3TR (3D accelerometer) - -
LED_BUILTIN 25 13 13
Wi-Fi Microprocessor Yes - -

Package Includes:

  • 1 x UNO+WiFi R3 ATmega328P+ESP8266 CH340G Board compatible with Arduino

Specifications: 

Microcontroller ATmega328IC
Wi-Fi Module Node MCU ESP8266
Input supply voltage (V) 3.3 ~ 5
Current consumption (mA) 800
Dimensions  7 x 5.35 x 1.5cms 
Weight  25 grams
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1. Which Arduino uses ATmega328P?

  • Arduino Uno Wifi module is suitable for both beginners and advanced Learners, this board can be used for almost any project thanks to its versatility. This is a modified version of the classic Arduino UNO R3 board. Fully integrated ATmega328 microcontroller and his IO ESP8266 with 32MB flash memory and USB-TTL converter CH340G. All modules can work together or independently. The atmega328p Arduino compatible to esp8266 board has wifi feature which makes it easier to use for Home automation and IoT projects. Atmega328p smd pinout are similar to that of Arduino Uno.

2. Does the Arduino Uno have Wi-Fi?

  • No, The Arduino Uno does not come with inbuilt WiFi. The Arduino Uno atmega328p board with WIFI is similar development board with inbuild wifi. This Arduino Uno wifi board can be used as a replacement for the Arduino Uno. The Arduino uno wifi esp8266 connection is possible with the help of the Uno+Wifi Board.

3. Why ATmega328 is used in Arduino Uno?

  • The Arduino Uno's ATmega328 comes pre-programmed with a bootloader that allows new code to be uploaded without the use of an external hardware programmer. Communicate using the original STK500 protocol. The ATmega328P is a high performance, low power 8-bit AVR microcontroller with an advanced RISC architecture capable of executing 131 instructions in almost a single clock cycle.

4. Is Arduino and Atmega328 same?

  • The Atmega328 is like a brain of Arduino that commands the Arduino to perform any particular task. So, Arduino and Atmega328 are not the same thing but All the Arduino has atmega328 inbuilt in it.

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