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Arduino MEGA 2560 R3 Board compatible
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MEGA 2560 R3 Board compatible with Arduino
The MEGA 2560 R3 CH340G Board MEGA 2560 R3 Board compatible with Arduino is a micro-controller board base on the ATmega2560. It has a USB host interface to connect with Android-based phones, based on the MAX3421e IC.
The ATMega2560 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. The MEGA ADK is based on the Mega 2560. Similar to the Mega 2560 and Uno, it features an ATmega8U2 program as a USB-to-serial converter. Revision 3 of the Mega ADK board has a resistor pulling the 8U2 HWB line to the ground, making it easier to put into DFU(Device Firmware Upgrade) mode.
New Features of the Mega2560 R3 Board
- The Mega2560 R3 board features a 1.0 pinout with an 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.
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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 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.
Package Includes:
- 1 x MEGA2560 Board compatible with Arduino
MEGA2560 Board Specifications
| Microcontroller | ATmega2560 |
| Operating Voltage | 5V |
| Input Voltage (recommended) | 7-12V |
| Input Voltage (limit) | 6-20V |
| Digital I/O Pins | 54 (of which 15 provide PWM output) |
| Analog Input Pins | 16 |
| DC Current per I/O Pin | 20 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 |
| LED_BUILTIN | 13 |
| Dimensions | 101.52 x 53.3 x 2 mm |
| Weight | 37 g |
1. What is the use of Arduino Mega 2560?
The Arduino MEGA 2560 is designed for projects that require more I/O lines, more sketch space, and more RAM. With 54 digital I/O pins, 16 analog inputs, and more room for sketching. The arduino mega power output can be used to control multiple motors thus this board is recommended for 3D printers and robotics projects. Arduino 2560 can be used to make projects that requires more sensors and Output devices.
2. Is Arduino Mega discontinued?
Yes, The Arduino Mega was recently discontinued by Arduino. The Arduino Mega 2560 is the upgraded version of Arduino Mega. It features same as the previous version of Arduino Mega.
3. How much voltage can Arduino Mega output?
The Arduino Mega has one 3.3V voltage pin and four 5V voltage pins. The Arduino Mega 2560 have maximum output voltage of 12V and current of 50mA.
4. How much is an Arduino Mega 2560?
The Original Arduino Mega 2560 board can cost up to 2.5k to 3k. While the clone of Arduino Mega can range in 1.5k to 2k in India.
5. Which is better Arduino Uno or Mega?
If we compare the physical aspects the Mega has more pins compared to Arduino Uno. The mega 2560 has 54 digital pins and 16 analog pins While the Uno only has 14 digital pins and 6 analog pins. If we consider the digital pins, there are 15 PWMs on the Mega and 6 PWMs on the Uno. Both are equipped with through-holes that match the system. The Mega and Uno both have a clock speed of 16MHz, but have different working and storage spaces. The Mega has 256 kB of flash memory and the Uno has 32 kB. If your code is large, it is recommended to use Mega due to memory concerns.
Arduino Uno is good for small projects while Arduino mega is good for bigger projects. If we see the price of both the Arduino Uno is comparatively cheaper than Arduino Mega2560 Price.
