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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:
The Mega Arduino R3 Android Accessory Development Kit (ADK) can be power via the USB connection or with an external power supply. The power source is select 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 center-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 power over USB, 500mA total is available for the phone and board.
Specification:
| Model Type |
Arduino MEGA 2560 |
| Microcontroller Chip |
ATmega2560 |
| Operating Voltage |
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 |
16 MHz |
| Flash Memory |
256 KB of which 8 KB used by bootloader |
| SRAM |
8 KB |
| EEPROM |
4 KB |
| DC Current for 3.3V Pin |
50 mA |
| DC Current per I/O Pin |
40 mA |
| Weight (gm) |
34 |
| Shipment Weight |
0.12 kg |
| Shipment Dimensions |
12 × 6 × 3 cm |
* Product Images color are shown for illustrative purposes only and may differ from actual product.
At ROBODIUM™, we want you to be completely satisfied with your purchase. You may return most items within 7 days of delivery for a full refund or exchange.
Most items sold on ROBODIUM™ can be returned within the return window, including:
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All products include a minimum 15-day warranty against manufacturing defects, unless otherwise specified on the product page.
Warranty does not cover misuse, soldering damage, modifications, physical damage, or incorrect electrical connections.
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