| Microcontroller | ATmega2560 |
| Work stress | 5V |
| Input Voltage (recommended) | 7-12V |
| Input Voltage (Limits) | 6-20V |
| Digital I / O Connections | 54 (of which 15 PWM) |
| Analog Input Connections | 16 |
| DC Load capacity per I / O Connection | 40 mA |
| DC Load capacity for 3.3V Connection | 50 mA |
| Flash Memory | 256 KB ( ATmega2560 ) of which 8 KB used by bootloader |
| SRAM | 8 KB ( ATmega328 ) |
| EEPROM | 4 KB ( ATmega328 ) |
| Working frequency |
16 MHz |
