About the Mega2560 development board:
- Can be directly programmed with the USB cable.
- 100% compatible with program, expansion shields, IDE of Arduino Nano v3.0.
- USB to serial chip (CH340) supports win7 / win8 32bits, 64bits, Linux.
- Supports ISP download.
- Microcontroller: Atmel ATmega2560.
- Operating Voltage: 5 V.
- Input Voltage: 7-12 V.
- Digital I/O Pins: 54 (of which 15 provide PWM output).
- Analog Input Pins: 8.
- Flash Memory: 256 KB of which 8 KB used by bootloader.
- SRAM: 8 KB.
- EEPROM: 4 KB.
- Clock Speed: 16 MHz.
About Nano IO Extension Board:
- Compatible with Arduino Mega2560 R3, UNO R3, Leonardo R3.
- Connection bridge between the modules and the Arduino board.
- Lead out the SPI, UART, I2C, PWM interface and analog interface of Arduino board.
- On-board reset circuit, power and reset indicator.
- The Pin headers is 2.54mm pitch.
- Great for DIY project.