The Arduino Uno is a microcontroller board based on the ATmega328. The board offers full support for the microcontroller and can be easily connected to a computer (USB) or power adapter, after which you can get started right away.
The Arduino Uno Rev. 3 clone features a CH340G USB-to-Serial chip.
Specifications:
- Digital I/O pins: 14 (of which 6 can be used as PWM output)
- 16MHz Clock Crystal
- USB connection
- ICSP connections on the PCB present
- Reset button
- Power supply 6V - 20V max. (adapter not included)
- Microcontroller: ATmega328
- DC current per I/O pin: 40mA
- DC current per 3.3V pin: 50mA
- Analog Inputs: 6
- Flash memory: 32 KB (ATmega328) of which 0.5 kb for the bootloader
- SRAM: 2KB (ATmega328) EEPROM: 1KB (ATmega328)
- Clock Speed: 16MHz