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

The ATmel MCU ATMEGA16U2 MEGA 2560 R3 Improved Version CH340G Board is a microcontroller board based on the ATmega2560. Here are its key features:

1. Microcontroller and Connectivity:
– Powered by the ATmega2560 with 54 digital input/output pins (15 PWM outputs), 16 analog inputs, and 4 UARTs for hardware serial communication.
– Equipped with a USB host interface using the MAX3421e IC, enabling connectivity with Android-based phones.

2. Hardware Components:
– 16 MHz crystal oscillator ensures reliable clocking.
– USB connection, power jack, ICSP header, and reset button for versatile functionality.
– Improved version (R3) features enhanced pin-out with added SDA, SCL, and IOREF pins for shield compatibility with different voltage levels.

3. Reset Circuit and Development Kit Compatibility:
– Features a stronger RESET circuit for improved stability.
– Compatible with Mega Arduino R3 Android Accessory Development Kit (ADK) functionality.
– Incorporates ATmega8U2 as a USB-to-serial converter, with revision 3 including a resistor pulling the 8U2 HWB line to ground for easy DFU (Device Firmware Upgrade) mode.

4. Power Options:- Can be powered via USB connection or an external power supply.
– Automatically selects the power source.
– External power can be supplied by an AC-to-DC adapter or battery, connected through the power jack.

5. Power Management:
– Supports USB Host functionality, allowing the connected phone to draw power from the board for charging when needed.
– Provides a total of 500mA when powered over USB for both the phone and the board.

The ATmel MCU ATMEGA16U2 MEGA 2560 R3 Improved Version CH340G Board offers an improved pin-out, robust hardware features, and compatibility with the Mega Arduino R3 ADK, making it suitable for a variety of applications in the development and electronics domain.

Package Includes:

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