The Arduino Mega 2560, the successor to the Arduino Mega, is a microcontroller board based on a ATmega2560 AVR microcontroller. It has 70 digital input/output pins (of which 14 can be used as PWM outputs and 16 can be used as analog inputs), a 16 MHz resonator, a USB connection, a power jack, an in-circuit system programming (ICSP) header, and a reset button. The Arduino has an extensive support community, which makes it a very easy way to get started working with embedded electronics.
Overview
The Arduino Mega 2560, the successor to the Arduino Mega, is a microcontroller board based on a ATmega2560 AVR microcontroller. It has 70 digital input/output pins (of which 14 can be used as PWM outputs and 16 can be used as analog inputs), a 16 MHz resonator, a USB connection, a power jack, an in-circuit system programming (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 2560 differs from the preceding Mega in that it does not use the FTDI USB-to-serial driver chip. Instead, it features the Atmega8U2 programmed as a USB-to-serial converter. This auxiliary microcontroller has its own USB bootloader, which allows advanced users to reprogram it.
The Arduino has a large support community and an extensive set of support libraries and hardware add-on "shields" (e.g. you can easily make your Arduino wireless with our
Wixel shield), making it a great introductory platform for embedded electronics.
Summary
- Microcontroller: ATmega2560
- Operating voltage: 5 V
- Input voltage (recommended): 7-12 V
- Digital I/O pins: 70 (of which 14 provide PWM output)
- Analog input pins: 16*
- DC current per I/O pin: 40 mA
- DC current for 3.3V pin: 50 mA
- Flash memory: 256 KB of which 8 KB used by bootloader
- SRAM: 8 KB
- EEPROM: 4 KB
- Clock speed: 16 MHz
*The Arduino Mega 2560 has 70 total available I/O lines; all of them can function as digital I/O lines, and sixteen of them can be used as analog inputs.
More information about the Arduino Mega 2560 is available on Arduino's website.
Dimensions
| Size: |
4" x 2.1" |
| Weight: |
36 g |
General specifications
| Processor: |
ATmega2560 @ 16 MHz |
| RAM size: |
8 Kbytes |
| Program memory size: |
248 Kbytes |
| Motor channels: |
0 |
| User I/O lines: |
70
1 |
| Max current on a single I/O: |
40 mA |
| Minimum operating voltage: |
7 V |
| Maximum output voltage: |
12 V |
| Reverse voltage protection?: |
N |
| External programmer required?: |
N2 |
Notes:
- 1
- All 70 can used as digital I/O and 16 can be used as analog inputs.
- 2
- An external programmer is required for setting the fuses or upgrading the bootloader.
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