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ATmel MCU ATMEGA16U2 MEGA 2560 R3 Improved Version CH340G Board

1,499.00 Excluding tax

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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.

Specifications :-

Model Type Arduino MEGA 2560
Microcontroller Chip ATmega2560
Operating Voltage (VDC) 5
Input Voltage(Recommended) 7V to 12V
Input Voltage (limit) 6V-20V
Analog I/O Pins 16
Digital I/O Pins 54 (of which 15 provide PWM output)
Clock Speed 12 MHz
Flash Memory 256 KB
SRAM 8
EEPROM 4 KB
DC Current for 3.3V Pin (mA) 50
DC Current per I/O Pin (mA) 40
Weight (gm) 34
Shipment Weight 0.037 kg
Shipment Dimensions 12 × 6 × 3 cm

* product image for illustration purposes only. actual product may vary.

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