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Arduino MEGA(CH340)- CHINA MAKE
•The Mega2560 R3 board features a 1.0 pinout with added SDA and SCL pins near the AREF pin. It also features two new pins located near the RESET pin. They allow mega2560 shields to adapt to the voltage provided by the board.
•The At Mega2560 development board also features a stronger RESET circuit.
•The AT Mega2560 Arduino R3 board is an Android Accessory Development Kit (ADK) that 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 a 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 powered over USB, 500mA total is available for the phone and board.
