Iduino Wifi Mega 2560 Rev3 Atmega16u2 USB Development board
Specification:
The main control chip: ATmega2560
Working voltage: 5 v (USB line power supply)
The power converter: 7-12 v, it is recommended that the 9 v
Digital I/o port: 54, of which 15 support PWM
Analog I/o port: 16
Each I/O port output current: 40 ma
In the output current 3.3 V: 50 ma
Flash memory space: 256 KB (among them 8 KB for loader)
8 KB SRAM:
EEPROM: 4 KB
Clock frequency: 16 MHZ