Arduino Mega 2560 R3Consumers Rate this
- The Arduino Mega 2560 is a microcontroller board based on the ATmega2560. 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. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started. The Mega is compatible with most shields designed for the Arduino Duemilanove or Diecimila.
- Revision 3 of the board has the following new features: 1) 1. 0 pinout: 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 future, shields will be compatible both with the board that use the AVR, which operate with 5V and with the Arduino Due that operate with 3. 3V. The second one is a not connected pin, that is reserved for future purposes 2) Stronger RESET circuit 3) Atmega 16U2 replace the 8U2.
- The Arduino Mega2560 has a number of facilities for communicating with a computer, another Arduino, or other microcontrollers. The ATmega2560 provides four hardware UARTs for TTL (5V) serial communication. An ATmega16U2 (ATmega 8U2 on the revision 1 and revision 2 boards) on the board channels one of these over USB and provides a virtual com port to software on the computer (Windows machines will need a. inf file, but OSX and Linux machines will recognize the board as a COM port automatically. The Arduino software includes a serial monitor which allows simple textual data to be sent to and from the board. The RX and TX LEDs on the board will flash when data is being transmitted via the ATmega8U2/ATmega16U2 chip and USB connection to the computer (but not for serial communication on pins 0 and 1).
- This board is 100% compatible with the current boards and shields, but adds possibilities for new shields
- The board can operate on an external supply of 6 to 20 volts. If supplied with less than 7V, however, the 5V pin may supply less than five volts and the board may be unstable. If using more than 12V, the voltage regulator may overheat and damage the board. The recommended range is 7 to 12 volts
- Size: 4-2/4"Lx2-1/8"Wx1/2"H
- Operating System: IDS
- Hardware Platform: ATMega2560
The Arduino Mega 2560 is a microcontroller board according for the ATmega2560 (datasheet ). Uses an Atmega16U2 instead of the Atmega8U2 on the prior version. It has 54 digital input/output pins (of which 14 may be utilized 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. 3V Pin: 50 m A * Flash Memory: 256 KB of which 8 KB utilized by bootloader * SRAM: 8 KB * EEPROM: 4 KB * Clock Speed: 16 MHz The Mega is compatible with most shields developed for the Arduino Duemilanove or Diecimila. TWI interface and the IOREF inside the top rated and bottom connectors. It contains everything required to help the microcontroller; simply connect it to a computer creating use of a USB cable or energy it employing a AC-to-DC adapter or battery to get started. Opens up more possibilities for USB apps! Features: * Microcontroller: ATmega2560 * Operating Voltage: 5V * Input Voltage: 7-12V * Input Voltage limits: 6-20V * Digital I/O Pins: 54 (of which 14 give PWM output) * Analog Input Pins: 16 * DC Current per I/O Pin: 40 m A * DC Current for 3. This adjust keeps the board 100% compatible with each of the current boards and shields, but adds possibilities for new shields. Primary Changes: 1. 2. Larger heatsinking copper area for the LM117 regulator 3.
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