| Microcontroller | ATmega328P | 
| Operating Voltage | 5V | 
| Input Voltage (recommended) | 7-12V | 
| Input Voltage (limit) | 6-20V | 
| Digital I/O Pins | 14 (of which 6 provide PWM output) | 
| PWM Digital I/O Pins | 6 | 
| Analog Input Pins | 6 | 
| DC Current per I/O Pin | 20 mA | 
| DC Current for 3.3V Pin | 50 mA | 
| Flash Memory | 32 KB (ATmega328P) of which 0.5 KB used by bootloader | 
| SRAM | 2 KB (ATmega328P) | 
| EEPROM | 1 KB (ATmega328P) | 
| Clock Speed | 16 MHz | 
| LED_BUILTIN | 13 | 
| Length | 68.6 mm | 
| Width | 53.4 mm | 
| Weight | 25 g | 



















