Free Shipping! Keyestudio MEGA 2560 R3 Compatible with Arduino + USB Cable


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Keyestudio Mega (core to ATmega2560) is a development board (used with16MHz crystal oscillator) of microcontroller. 

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Product Description




Keyestudio Mega (core to ATmega2560) is a development board (used with16MHz crystal oscillator) of microcontroller. There 54 groups of I/O (input/output ) digital ends (of which 15 group to do PWM output), 16 groups of simulation analogy input ends and 4 groups of UART (hardwareserial ports) in it . With its bootloader, process can be downloaded directly with the USB, so you don’t need to use other external programmer. And its power can be supplied by the USB, or the AC-to-DC adapter and battery can be also as an external power supply.

Opening source code and using C language developed status in Java concept (cross platform) make a rapid growth of Arduino peripheral module and application. The main reason to attract Artist to use Arduino is that they can quickly use all kinds of software communication, such as Arduino language and Flash or Processing and so on, and can also make multimedia interactive works. 

Development interface of Arduino IDE is based on the principle of opening source code, and you can download it freely.  Applied to the thematic making, school teaching, television controlling, interactive works and so on.

Power Supply

There are two choices (direct power supply trough USB or external power supply) for the power supply of Arduino Mega, and they can be automatically switched. 

External power supply can beAC-to-DC adapter or battery. Lit rang of voltage of  this control board is 6V~12V, b ut if the supplied voltage is greater than 12V, the voltage stabilizing device will be likely overheated to damage Arduino MEGA . So we suggest the power supply should be 6.5~12V in operation, and recommended supply is 7.5 or 9V.


  • Microcontroller: ATmega2560
  • Operating Voltage: 5V
  • Input Voltage (recommended): 7-12V
  • 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

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