ATmel MCU ATMEGA2560-16U MEGA 2560 R3 Improved Version CH340G Board

(7 customer reviews)

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SKU: 43195
  1. Microcontroller CH340
  2. Operating Voltage 5V
  3. Input Voltage (recommended) 7-12V
  4. Input Voltage (limits) 6-20V
  5. Digital I/O Pins 54 (of which 15 provide PWM output)
  6. Analog Input Pins 16
  7. DC Current per I/O Pin 40 mA
  8. Dimensions : 111 x 54 x 12 (LxWxH) mm.

 899.00  1,100.00

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Category: Boards Compatible with Arduino, Best Prices
Tags: Mega

The ATmel MCU ATMEGA16U2 MEGA 2560 R3 Improved Version CH340G Board is a micro-controller board base on the ATmega2560. It has a USB host interface to connect with Android based phones, base on the MAX3421e IC.

It has 54 digital input/output pins (of which 15 can be used as PWM outputs); 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator; a USB connection, a power jack, an ICSP header, and a reset button. The MEGA ADK is base on the Mega 2560. Similar to the Mega 2560 and Uno, it features an ATmega8U2 program as a USB-to-serial converter. Revision 3 of the Mega ADK board has a resistor pulling the 8U2 HWB line to ground, making it easier to put into DFU(Device Firmware Upgrade) mode.

The board has the following new features:

  • 1.0 pin-out: added SDA and SCL pins that are near to the AREF pin and two other new pins placed near to the RESET pin, the IOREF that allow the shields to adapt to the voltage provided from the board. In the future, shields will be compatible both with the board that uses the AVR, which operate with 5V and with the Arduino Due which operates with 3.3V. The second one is a not connected pin, that is reserved for future purposes.
  • Stronger RESET circuit.

The Mega Arduino R3 Android Accessory Development Kit (ADK) can be powered via a USB connection or with an external power supply. The power source is selected automatically. External (non-USB) power can come either from an AC-to-DC adapter (wall-wart) or battery. The adapter can be connected by plugging a 2.1mm centre-positive plug into the board’s power jack.

Leads from a battery can be inserted in the GND and Vin pin headers of the POWER connector. Because the Mega R3 Android Accessory Development Kit (ADK) is a USB Host, the phone will attempt to draw power from it when it needs to charge. When the ADK is powered over USB, 500mA total is available for the phone and board.

Package Includes :

1 x Mega R3 Android Accessory Development Kit (ADK) board.

SKU: 43195 Categories: , Tag:
Model Type

Arduino MEGA 2560

Microcontroller Chip


Operating Voltage (VDC):


Input voltage

7V to 12V

Input Voltage (limit)


Analog I/O Pins


Digital I/O Pins

54 (of which 15 provide PWM output)

Clock Speed

12 MHz

Flash Memory

256 KB




4 KB

DC Current for 3.3V Pin (mA)


DC Current per I/O Pin (mA)


Weight (g):


Shipping Weight 0.037 kg
Shipping Dimensions 12 × 6 × 3 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Based on 7 reviews

4.7 overall

Add a review

  1. Simon George (verified owner)

    No issues except that, had to install drivers drivers as per

    Till then windows 10 was not detecting it.

    I am using it for Mobiflight. Lot of inputs, I plan to build a custom panel for Microsoft Flight Simulator 2020.

    Simon George

  2. bhavin192 (verified owner)

    Working great with RAMPS 1.4.


  3. shreekantpatel29 (verified owner)

    love the quality ?


  4. durva7717 (verified owner)

    Good product


  5. murtaza1972 (verified owner)

    Pins on the board are not aligned very well, had purchased a Ethernet shield along with this board and mounting the shield took bit of a while. Could have been better. Otherwise the product works good so far, haven’t tested it fully yet.


  6. Uday paranjape (verified owner)

    Very good quality
    Good packing
    Fast delivery

    Uday paranjape

  7. Ravindra V (verified owner)

    Excellent quality product, works perfectly, looking for building the 3printer controller.
    Moreover, delivery was lightning fast. From Pune to Bangalore in 1 day. Excellent customer service

    Ravindra V

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Questions and answers of the customers

    What is improved in this varient?
  1. 0 votes
    Q What is improved in this varient? answer now
    Asked by tabishakhtarsr on July 11, 2020 3:40 am
    A The improved version of the MEGA 2560 R3 board f... Read more
Only registered users are eligible to enter questions
Country Of Origin: China

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