Description: Arduino Mega is a ATmega2560 as the core microcontroller development board, itself has 54 groups of digital I/O input/output end (14 of which group do PWM output), 16 groups of simulation than input, 4 groups of UART (hardware serial ports), using 16 MHz crystal oscillator. As with bootloader, it can directly through USB to download the program without other external programmer. The power supply part can be selected by USB power supply, or use AC-to-DC adapter as the external power supply and battery. Development of IDE interface based on the principle of open source code, can let you use the free download in the monograph, the school teaching, motor control, interactive works etc. Power supply system of Mega have two kinds of choices, USB direct power supply or external power supply. Automatic switching will power supply. The external power supply can choose AC-to-DC adapter or battery, the limit voltage range control board is 6V~12V, but if the supply voltage is less than 6V, I/O port may not be provided to the 5V voltage, so there will be unstable; if the supply voltage is greater than 12V, voltage stabilizing device will likely overheat protection, are more likely to damage MEGA. The operating power supply is 6.5~12V, recommend the power is the 7.5V or 9V. Package Includes: 1 Piece MEGA 2560 R3 Development Board
