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Description
– and new
– Microcontroller ATmega2560
– Operating Voltage: 5V
– Input Voltage (recommended): 7-12V
– Input Voltage (limits): 6-20V
– Digital I/O Pins: 54 (of which 15 provide PWM output)
– Analog Input Pins: 16
– DC Current per I/O Pin: 40mA
– DC Current for 3.3V Pin: 50mA
– Flash Memory: 256 KB of which 8 KB used by bootloader
– SRAM: 8 KB
– EEPROM: 4 KB
– Clock Speed: 16 MHz
Overview
-The Mega can be powered via the 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 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
-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
Features:
– The Mega 2560 is a microcontroller board based on the ATmega2560 (datasheet). 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 Duemilanove or Diecimila
The Mega 2560 is an update to the Mega, which it replaces
The Mega2560 differs from all preceding boards in that it does not use the FTDI USB-to-serial driver chip. Instead, it features the ATmega16U2 (ATmega8U2 in the revision 1 and revision 2 boards) programmed as a USB-to-serial converter
Revision 2 of the Mega2560 board has a resistor pulling the 8U2 HWB line to ground, making it easier to put into DFU mode
Revision 3 of the board has the following new features:
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 Due that operate with 3.3V. The second one is a not connected pin, that is reserved for future purposes
Stronger RESET circuit
Atmega 16U2 replace the 8U2
Schematic, Reference Design & Pin Mapping
Included in this package
– 1 x MEGA 2560 Board
– 1 x USB Cable
Shipping & Payment
Payment
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– Your order will be cancelled if the payment is not received in one week.
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Not Ecomomy
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– Economy are collected in bulk by a third courier and shipped to post office to receive a discount
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Shipping
– Delivery area: We are only shipping within 48 continental United States.
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Delivery method: USPS Priority & USPS First Class. Choose Priority for fast delivery.
– Handling time: 1 business day after receiving payment. If USPS is open, we are open too.
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Handling And Return
– We accept return within 14 days after delivery.
– Defective items will be exchanged or fully refunded on buyers request.
– 15% restocking fee will be charged on non defective items.
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