Arduino
From Alessandro's Wiki
Arduino UNO
- I/O pins:
- 14 digital
- 6 analog
Arduino Mega
- 54 digital input/output pins
- 14 can be used as PWM outputs
- 16 analog inputs
- 4 UARTs
External Interrupts:
- 2 (interrupt 0)
- 3 (interrupt 1)
- 18 (interrupt 5)
- 19 (interrupt 4)
- 20 (interrupt 3)
- 21 (interrupt 2)
- Microcontroller ATmega1280
- Operating Voltage 5V
- Input Voltage (recommended) 7-12V
- Input Voltage (limits) 6-20V
- Digital I/O Pins 54 (of which 15 provide PWM output)
- Analog Input Pins 16
- DC Current per I/O Pin 40 mA
- DC Current for 3.3V Pin 50 mA
- Flash Memory 128 KB of which 4 KB used by bootloader
- SRAM 8 KB
- EEPROM 4 KB
- Clock Speed 16 MHz
