About this item
The Mega is 100% compatible with Arduino IDE and most of the shields are designed for the Arduino mega R3，RoHS Compliant
The chip is Atmega + 2560-16au and 16u2, same with the official version.
Improved and expert version: 1. 0 pinout: added SDA and SCL pins that are near to the AREF pin
Stronger RESET circuit. Use 5. 5 * 2. 1mm DC barrel jack (compatible with 5. 5 * 2. 5mm DC barrel jack)
It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started.