Technical summary
Its ATmega328 microcontroller is supplied on a socket. It is paired with a USB interface (the cable is offered as an option at the bottom of the page). Ideal as a prototyping, evaluation and experimentation platform, this board is aimed at beginners and experienced programmers alike.
All of the board's inputs/outputs are available on female connectors (with silkscreen markings) located along the edges of the board.
Features:
Microcontroller: ATmega328
Operating voltage: 5V
Supply voltage (recommended): 7- 1 2 V
Supply voltage (limits): 6-20V
Number of I/O: 14 (6 of which can generate PWM signals)
Number of "Analog/Digital" ports: 6
Max. current per I/O: 40mA
Current for 3.3V pins: 50mA
Flash memory: 32KB (ATmega328), 0.5KB of which is used by the bootloader
SRAM: 2KB (ATmega328)
EEPROM: 1KB (ATmega328)
Clock speed: 16MHz
